release: 2.0.1

fix: restore old input input field size
fix: admins imported from LDAP lose admin privileges
2026-02-20 03:39:52 +00:00 · 2026-01-02 23:50:35 +01:00 · 2026-01-02 23:49:41 +01:00 · 2026-01-02 23:42:25 +01:00 · 2026-01-02 19:21:58 +01:00 · 2026-01-02 19:07:32 +01:00
407 changed files with 20223 additions and 10984 deletions
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,18 @@
 # See the documentation for more information: https://pocket-id.org/docs/configuration/environment-variables
+
+# These variables must be configured for your deployment:
 APP_URL=https://your-pocket-id-domain.com
+
+# Encryption key (choose one method):
+# Method 1: Direct key (simple but less secure)
+# Generate with: openssl rand -base64 32
+ENCRYPTION_KEY=
+# Method 2: File-based key (recommended)
+# Put the base64 key in a file and point to it here.
+# ENCRYPTION_KEY_FILE=/path/to/encryption_key
+
+# These variables are optional but recommended to review:
 TRUST_PROXY=false
 MAXMIND_LICENSE_KEY=
 PUID=1000
-PGID=1000
+PGID=1000
--- a/.github/workflows/backend-linter.yml
+++ b/.github/workflows/backend-linter.yml
@@ -6,7 +6,7 @@ on:
    paths:
      - "backend/**"
  pull_request:
-    branches: [main]
+    branches: [main, breaking/**]
    paths:
      - "backend/**"

@@ -24,10 +24,10 @@ jobs:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: Set up Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
          go-version-file: backend/go.mod

--- a/.github/workflows/build-next.yml
+++ b/.github/workflows/build-next.yml
@@ -19,22 +19,20 @@ jobs:
      attestations: write
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
        with:
          node-version: 22
-          cache: 'pnpm'
-          cache-dependency-path: pnpm-lock.yaml

      - name: Setup Go
-        uses: actions/setup-go@v5
+        uses: actions/setup-go@v6
        with:
-          go-version-file: 'backend/go.mod'
+          go-version-file: "backend/go.mod"

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
@@ -74,7 +72,7 @@ jobs:
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ env.DOCKER_IMAGE_NAME }}:next
-          file: Dockerfile-prebuilt
+          file: docker/Dockerfile-prebuilt
      - name: Build and push container image (distroless)
        uses: docker/build-push-action@v6
        id: container-build-push-distroless
@@ -83,16 +81,16 @@ jobs:
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ env.DOCKER_IMAGE_NAME }}:next-distroless
-          file: Dockerfile-distroless
+          file: docker/Dockerfile-distroless
      - name: Container image attestation
        uses: actions/attest-build-provenance@v2
        with:
-          subject-name: '${{ env.DOCKER_IMAGE_NAME }}'
+          subject-name: "${{ env.DOCKER_IMAGE_NAME }}"
          subject-digest: ${{ steps.build-push-image.outputs.digest }}
          push-to-registry: true
      - name: Container image attestation (distroless)
        uses: actions/attest-build-provenance@v2
        with:
-          subject-name: '${{ env.DOCKER_IMAGE_NAME }}'
+          subject-name: "${{ env.DOCKER_IMAGE_NAME }}"
          subject-digest: ${{ steps.container-build-push-distroless.outputs.digest }}
          push-to-registry: true
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -3,15 +3,15 @@ on:
  push:
    branches: [main]
    paths-ignore:
-      - 'docs/**'
-      - '**.md'
-      - '.github/**'
+      - "docs/**"
+      - "**.md"
+      - ".github/**"
  pull_request:
-    branches: [main]
+    branches: [main, breaking/**]
    paths-ignore:
-      - 'docs/**'
-      - '**.md'
-      - '.github/**'
+      - "docs/**"
+      - "**.md"
+      - ".github/**"

 jobs:
  build:
@@ -22,7 +22,7 @@ jobs:
      actions: write
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
@@ -30,6 +30,8 @@ jobs:
      - name: Build and export
        uses: docker/build-push-action@v6
        with:
+          context: .
+          file: docker/Dockerfile
          push: false
          load: false
          tags: pocket-id:test
@@ -55,58 +57,113 @@ jobs:
    strategy:
      fail-fast: false
      matrix:
-        db: [sqlite, postgres]
+        include:
+          - db: sqlite
+            storage: filesystem
+          - db: postgres
+            storage: filesystem
+          - db: sqlite
+            storage: s3
+          - db: sqlite
+            storage: database
+          - db: postgres
+            storage: database
+
    steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

-      - uses: actions/setup-node@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v5
        with:
          node-version: 22
-          cache: 'pnpm'
-          cache-dependency-path: pnpm-lock.yaml

      - name: Cache Playwright Browsers
-        uses: actions/cache@v3
+        uses: actions/cache@v4
        id: playwright-cache
        with:
          path: ~/.cache/ms-playwright
          key: ${{ runner.os }}-playwright-${{ hashFiles('pnpm-lock.yaml') }}
+
      - name: Cache PostgreSQL Docker image
-        if: matrix.db == 'postgres'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
        id: postgres-cache
        with:
          path: /tmp/postgres-image.tar
          key: postgres-17-${{ runner.os }}
-
      - name: Pull and save PostgreSQL image
        if: matrix.db == 'postgres' && steps.postgres-cache.outputs.cache-hit != 'true'
        run: |
          docker pull postgres:17
          docker save postgres:17 > /tmp/postgres-image.tar
-
-      - name: Load PostgreSQL image from cache
+      - name: Load PostgreSQL image
        if: matrix.db == 'postgres' && steps.postgres-cache.outputs.cache-hit == 'true'
        run: docker load < /tmp/postgres-image.tar
+
      - name: Cache LLDAP Docker image
-        uses: actions/cache@v3
+        uses: actions/cache@v4
        id: lldap-cache
        with:
          path: /tmp/lldap-image.tar
          key: lldap-stable-${{ runner.os }}
-
      - name: Pull and save LLDAP image
        if: steps.lldap-cache.outputs.cache-hit != 'true'
        run: |
-          docker pull nitnelave/lldap:stable
-          docker save nitnelave/lldap:stable > /tmp/lldap-image.tar
-
-      - name: Load LLDAP image from cache
+          docker pull lldap/lldap:2025-05-19
+          docker save lldap/lldap:2025-05-19 > /tmp/lldap-image.tar
+      - name: Load LLDAP image
        if: steps.lldap-cache.outputs.cache-hit == 'true'
        run: docker load < /tmp/lldap-image.tar
+
+      - name: Cache SCIM Test Server Docker image
+        uses: actions/cache@v4
+        id: scim-cache
+        with:
+          path: /tmp/scim-test-server-image.tar
+          key: scim-test-server-${{ runner.os }}
+      - name: Pull and save SCIM Test Server image
+        if: steps.scim-cache.outputs.cache-hit != 'true'
+        run: |
+          docker pull ghcr.io/pocket-id/scim-test-server
+          docker save ghcr.io/pocket-id/scim-test-server > /tmp/scim-test-server-image.tar
+      - name: Load SCIM Test Server image
+        if: steps.scim-cache.outputs.cache-hit == 'true'
+        run: docker load < /tmp/scim-test-server-image.tar
+
+      - name: Cache Localstack S3 Docker image
+        if: matrix.storage == 's3'
+        uses: actions/cache@v4
+        id: s3-cache
+        with:
+          path: /tmp/localstack-s3-image.tar
+          key: localstack-s3-latest-${{ runner.os }}
+      - name: Pull and save Localstack S3 image
+        if: matrix.storage == 's3' && steps.s3-cache.outputs.cache-hit != 'true'
+        run: |
+          docker pull localstack/localstack:s3-latest
+          docker save localstack/localstack:s3-latest > /tmp/localstack-s3-image.tar
+      - name: Load Localstack S3 image
+        if: matrix.storage == 's3' && steps.s3-cache.outputs.cache-hit == 'true'
+        run: docker load < /tmp/localstack-s3-image.tar
+
+      - name: Cache AWS CLI Docker image
+        if: matrix.storage == 's3'
+        uses: actions/cache@v4
+        id: aws-cli-cache
+        with:
+          path: /tmp/aws-cli-image.tar
+          key: aws-cli-latest-${{ runner.os }}
+      - name: Pull and save AWS CLI image
+        if: matrix.storage == 's3' && steps.aws-cli-cache.outputs.cache-hit != 'true'
+        run: |
+          docker pull amazon/aws-cli:latest
+          docker save amazon/aws-cli:latest > /tmp/aws-cli-image.tar
+      - name: Load AWS CLI image
+        if: matrix.storage == 's3' && steps.aws-cli-cache.outputs.cache-hit == 'true'
+        run: docker load < /tmp/aws-cli-image.tar
+
      - name: Download Docker image artifact
        uses: actions/download-artifact@v4
        with:
@@ -123,19 +180,39 @@ jobs:
        working-directory: ./tests
        if: steps.playwright-cache.outputs.cache-hit != 'true'
        run: pnpm exec playwright install --with-deps chromium
-      - name: Run Docker Container (sqlite) with LDAP
-        if: matrix.db == 'sqlite'
-        working-directory: ./tests/setup
-        run: |
-          docker compose up -d
-          docker compose logs -f pocket-id &> /tmp/backend.log &

-      - name: Run Docker Container (postgres) with LDAP
-        if: matrix.db == 'postgres'
+      - name: Run Docker containers
        working-directory: ./tests/setup
        run: |
-          docker compose -f docker-compose-postgres.yml up -d
-          docker compose -f docker-compose-postgres.yml logs -f pocket-id &> /tmp/backend.log &
+          DOCKER_COMPOSE_FILE=docker-compose.yml
+
+          cat > .env <<EOF
+          FILE_BACKEND=${{ matrix.storage }}
+          SCIM_SERVICE_PROVIDER_URL=http://localhost:18123/v2
+          SCIM_SERVICE_PROVIDER_URL_INTERNAL=http://scim-test-server:8080/v2
+          EOF
+
+          if [ "${{ matrix.db }}" = "postgres" ]; then
+            DOCKER_COMPOSE_FILE=docker-compose-postgres.yml
+          elif [ "${{ matrix.storage }}" = "s3" ]; then
+            DOCKER_COMPOSE_FILE=docker-compose-s3.yml
+          fi
+
+          docker compose -f "$DOCKER_COMPOSE_FILE" up -d
+
+          {
+            LOG_FILE="/tmp/backend.log"
+            while true; do
+              CID=$(docker compose -f "$DOCKER_COMPOSE_FILE" ps -q pocket-id)
+              if [ -n "$CID" ]; then
+                echo "[$(date)] Attaching logs for $CID" >> "$LOG_FILE"
+                docker logs -f --since=0 "$CID" >> "$LOG_FILE" 2>&1
+              else
+                echo "[$(date)] Container not yet running…" >> "$LOG_FILE"
+              fi
+              sleep 1
+            done
+          } &

      - name: Run Playwright tests
        working-directory: ./tests
@@ -145,7 +222,7 @@ jobs:
        uses: actions/upload-artifact@v4
        if: always() && github.event.pull_request.head.ref != 'i18n_crowdin'
        with:
-          name: playwright-report-${{ matrix.db }}
+          name: playwright-report-${{ matrix.db }}-${{ matrix.storage }}
          path: tests/.report
          include-hidden-files: true
          retention-days: 15
@@ -154,7 +231,7 @@ jobs:
        uses: actions/upload-artifact@v4
        if: always() && github.event.pull_request.head.ref != 'i18n_crowdin'
        with:
-          name: backend-${{ matrix.db }}
+          name: backend-${{ matrix.db }}-${{ matrix.storage }}
          path: /tmp/backend.log
          include-hidden-files: true
          retention-days: 15
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -3,7 +3,7 @@ name: Release
 on:
  push:
    tags:
-      - 'v*.*.*'
+      - "v*.*.*"

 jobs:
  build:
@@ -19,14 +19,12 @@ jobs:
      - name: Setup pnpm
        uses: pnpm/action-setup@v4
      - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
        with:
          node-version: 22
-          cache: 'pnpm'
-          cache-dependency-path: pnpm-lock.yaml
-      - uses: actions/setup-go@v5
+      - uses: actions/setup-go@v6
        with:
-          go-version-file: 'backend/go.mod'
+          go-version-file: "backend/go.mod"
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
      - name: Set up Docker Buildx
@@ -81,7 +79,7 @@ jobs:
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
-          file: Dockerfile-prebuilt
+          file: docker/Dockerfile-prebuilt
      - name: Build and push container image (distroless)
        uses: docker/build-push-action@v6
        id: container-build-push-distroless
@@ -91,21 +89,21 @@ jobs:
          push: true
          tags: ${{ steps.meta-distroless.outputs.tags }}
          labels: ${{ steps.meta-distroless.outputs.labels }}
-          file: Dockerfile-distroless
+          file: docker/Dockerfile-distroless
      - name: Binary attestation
        uses: actions/attest-build-provenance@v2
        with:
-          subject-path: 'backend/.bin/pocket-id-**'
+          subject-path: "backend/.bin/pocket-id-**"
      - name: Container image attestation
        uses: actions/attest-build-provenance@v2
        with:
-          subject-name: '${{ env.DOCKER_IMAGE_NAME }}'
+          subject-name: "${{ env.DOCKER_IMAGE_NAME }}"
          subject-digest: ${{ steps.container-build-push.outputs.digest }}
          push-to-registry: true
      - name: Container image attestation (distroless)
        uses: actions/attest-build-provenance@v2
        with:
-          subject-name: '${{ env.DOCKER_IMAGE_NAME }}'
+          subject-name: "${{ env.DOCKER_IMAGE_NAME }}"
          subject-digest: ${{ steps.container-build-push-distroless.outputs.digest }}
          push-to-registry: true
      - name: Upload binaries to release
@@ -122,6 +120,6 @@ jobs:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
      - name: Mark release as published
        run: gh release edit ${{ github.ref_name }} --draft=false
--- a/.github/workflows/svelte-check.yml
+++ b/.github/workflows/svelte-check.yml
@@ -4,21 +4,21 @@ on:
  push:
    branches: [main]
    paths:
-      - 'frontend/src/**'
-      - '.github/svelte-check-matcher.json'
-      - 'frontend/package.json'
-      - 'frontend/package-lock.json'
-      - 'frontend/tsconfig.json'
-      - 'frontend/svelte.config.js'
+      - "frontend/src/**"
+      - ".github/svelte-check-matcher.json"
+      - "frontend/package.json"
+      - "frontend/package-lock.json"
+      - "frontend/tsconfig.json"
+      - "frontend/svelte.config.js"
  pull_request:
    branches: [main]
    paths:
-      - 'frontend/src/**'
-      - '.github/svelte-check-matcher.json'
-      - 'frontend/package.json'
-      - 'frontend/package-lock.json'
-      - 'frontend/tsconfig.json'
-      - 'frontend/svelte.config.js'
+      - "frontend/src/**"
+      - ".github/svelte-check-matcher.json"
+      - "frontend/package.json"
+      - "frontend/package-lock.json"
+      - "frontend/tsconfig.json"
+      - "frontend/svelte.config.js"
  workflow_dispatch:

 jobs:
@@ -34,17 +34,15 @@ jobs:

    steps:
      - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v5
        with:
          node-version: 22
-          cache: 'pnpm'
-          cache-dependency-path: pnpm-lock.yaml

      - name: Install dependencies
        run: pnpm --filter pocket-id-frontend install --frozen-lockfile
--- a/.github/workflows/unit-tests.yml
+++ b/.github/workflows/unit-tests.yml
@@ -16,8 +16,8 @@ jobs:
      actions: write
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-go@v5
+      - uses: actions/checkout@v5
+      - uses: actions/setup-go@v6
        with:
          go-version-file: "backend/go.mod"
          cache-dependency-path: "backend/go.sum"
--- a/.github/workflows/update-aaguids.yml
+++ b/.github/workflows/update-aaguids.yml
@@ -15,7 +15,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5

      - name: Fetch JSON data
        run: |
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,12 @@
 # JetBrains
 **/.idea

+# Node
 node_modules

+# PNPM
+.pnpm-store/
+
 # Output
 .output
 .vercel
@@ -11,6 +15,7 @@ node_modules
 /backend/bin
 pocket-id
 /tests/test-results/*.json
+.tmp/

 # OS
 .DS_Store
--- a/.version
+++ b/.version
@@ -1 +1 @@
-1.11.2
+2.0.1
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -5,12 +5,14 @@
      "name": "Backend",
      "type": "go",
      "request": "launch",
-      "envFile": "${workspaceFolder}/backend/cmd/.env",
+      "envFile": "${workspaceFolder}/backend/.env",
      "env": {
        "APP_ENV": "development"
      },
      "mode": "debug",
      "program": "${workspaceFolder}/backend/cmd/main.go",
+      "buildFlags": "-tags=exclude_frontend",
+      "cwd": "${workspaceFolder}/backend",
    },
    {
      "name": "Frontend",
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ Pocket ID is a simple OIDC provider that allows users to authenticate with their

 → Try out the [Demo](https://demo.pocket-id.org)

-<img src="https://github.com/user-attachments/assets/96ac549d-b897-404a-8811-f42b16ea58e2" width="1200"/>
+<img src="https://github.com/user-attachments/assets/1e99ba44-76da-4b47-9b8a-dbe9b7f84512" width="1200"/>

 The goal of Pocket ID is to be a simple and easy-to-use. There are other self-hosted OIDC providers like [Keycloak](https://www.keycloak.org/) or [ORY Hydra](https://www.ory.sh/hydra/) but they are often too complex for simple use cases.

--- a/backend/cmd/main.go
+++ b/backend/cmd/main.go
@@ -1,9 +1,12 @@
 package main

 import (
+	"fmt"
+	"os"
 	_ "time/tzdata"

 	"github.com/pocket-id/pocket-id/backend/internal/cmds"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
 )

 // @title Pocket ID API
@@ -11,5 +14,9 @@ import (
 // @description.markdown

 func main() {
+	if err := common.ValidateEnvConfig(&common.EnvConfig); err != nil {
+		fmt.Fprintf(os.Stderr, "config error: %v\n", err)
+		os.Exit(1)
+	}
 	cmds.Execute()
 }
--- a/backend/frontend/frontend_included.go
+++ b/backend/frontend/frontend_included.go
@@ -32,10 +32,6 @@ func init() {
 		panic(fmt.Errorf("failed to read index.html: %w", iErr))
 	}

-	// Get the position of the first <script> tag
-	idx := bytes.Index(index, []byte(scriptTag))
-
-	// Create writeIndexFn, which adds the CSP tag to the script tag if needed
 	writeIndexFn = func(w io.Writer, nonce string) (err error) {
 		// If there's no nonce, write the index as-is
 		if nonce == "" {
@@ -43,23 +39,16 @@ func init() {
 			return err
 		}

-		// We have a nonce, so first write the index until the <script> tag
-		// Then we write the modified script tag
-		// Finally, the rest of the index
-		_, err = w.Write(index[0:idx])
-		if err != nil {
-			return err
-		}
-		_, err = w.Write([]byte(`<script nonce="` + nonce + `">`))
-		if err != nil {
-			return err
-		}
-		_, err = w.Write(index[(idx + len(scriptTag)):])
-		if err != nil {
-			return err
-		}
+		// Add nonce to all <script> tags
+		// We replace "<script" with `<script nonce="..."` everywhere it appears
+		modified := bytes.ReplaceAll(
+			index,
+			[]byte(scriptTag),
+			[]byte(`<script nonce="`+nonce+`">`),
+		)

-		return nil
+		_, err = w.Write(modified)
+		return err
 	}
 }

@@ -75,6 +64,11 @@ func RegisterFrontend(router *gin.Engine) error {
 	router.NoRoute(func(c *gin.Context) {
 		path := strings.TrimPrefix(c.Request.URL.Path, "/")

+		if strings.HasSuffix(path, "/") {
+			c.Redirect(http.StatusMovedPermanently, strings.TrimRight(c.Request.URL.String(), "/"))
+			return
+		}
+
 		if strings.HasPrefix(path, "api/") {
 			c.JSON(http.StatusNotFound, gin.H{"error": "API endpoint not found"})
 			return
@@ -94,13 +88,9 @@ func RegisterFrontend(router *gin.Engine) error {
 			c.Header("Content-Type", "text/html; charset=utf-8")
 			c.Header("Cache-Control", "no-store")
 			c.Status(http.StatusOK)
-
-			err = writeIndexFn(c.Writer, nonce)
-			if err != nil {
+			if err := writeIndexFn(c.Writer, nonce); err != nil {
 				_ = c.Error(fmt.Errorf("failed to write index.html file: %w", err))
-				return
 			}
-
 			return
 		}

--- a/backend/go.mod
+++ b/backend/go.mod
@@ -3,88 +3,107 @@ module github.com/pocket-id/pocket-id/backend
 go 1.25

 require (
+	github.com/aws/aws-sdk-go-v2 v1.41.0
+	github.com/aws/aws-sdk-go-v2/config v1.32.6
+	github.com/aws/aws-sdk-go-v2/credentials v1.19.6
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.95.0
+	github.com/aws/smithy-go v1.24.0
 	github.com/caarlos0/env/v11 v11.3.1
 	github.com/cenkalti/backoff/v5 v5.0.3
 	github.com/disintegration/imageorient v0.0.0-20180920195336-8147d86e83ec
 	github.com/disintegration/imaging v1.6.2
-	github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21
-	github.com/emersion/go-smtp v0.21.3
-	github.com/fxamacker/cbor/v2 v2.9.0
-	github.com/gin-contrib/slog v1.1.0
-	github.com/gin-gonic/gin v1.10.1
+	github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6
+	github.com/emersion/go-smtp v0.24.0
+	github.com/gin-contrib/slog v1.2.0
+	github.com/gin-gonic/gin v1.11.0
 	github.com/glebarez/go-sqlite v1.22.0
 	github.com/glebarez/sqlite v1.11.0
-	github.com/go-co-op/gocron/v2 v2.16.3
-	github.com/go-ldap/ldap/v3 v3.4.10
-	github.com/go-playground/validator/v10 v10.27.0
-	github.com/go-webauthn/webauthn v0.11.2
-	github.com/golang-migrate/migrate/v4 v4.18.3
+	github.com/go-co-op/gocron/v2 v2.19.0
+	github.com/go-ldap/ldap/v3 v3.4.12
+	github.com/go-playground/validator/v10 v10.30.1
+	github.com/go-webauthn/webauthn v0.15.0
+	github.com/golang-migrate/migrate/v4 v4.19.1
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/go-uuid v1.0.3
 	github.com/jinzhu/copier v0.4.0
 	github.com/joho/godotenv v1.5.1
-	github.com/lestrrat-go/httprc/v3 v3.0.0
-	github.com/lestrrat-go/jwx/v3 v3.0.10
+	github.com/lestrrat-go/httprc/v3 v3.0.3
+	github.com/lestrrat-go/jwx/v3 v3.0.12
 	github.com/lmittmann/tint v1.1.2
 	github.com/mattn/go-isatty v0.0.20
 	github.com/mileusna/useragent v1.3.5
 	github.com/orandin/slog-gorm v1.4.0
-	github.com/oschwald/maxminddb-golang/v2 v2.0.0-beta.8
-	github.com/spf13/cobra v1.9.1
-	github.com/stretchr/testify v1.10.0
-	go.opentelemetry.io/contrib/bridges/otelslog v0.12.0
-	go.opentelemetry.io/contrib/exporters/autoexport v0.59.0
-	go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.60.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0
-	go.opentelemetry.io/otel v1.37.0
-	go.opentelemetry.io/otel/log v0.13.0
-	go.opentelemetry.io/otel/metric v1.37.0
-	go.opentelemetry.io/otel/sdk v1.35.0
-	go.opentelemetry.io/otel/sdk/log v0.10.0
-	go.opentelemetry.io/otel/sdk/metric v1.35.0
-	go.opentelemetry.io/otel/trace v1.37.0
-	golang.org/x/crypto v0.41.0
-	golang.org/x/image v0.30.0
-	golang.org/x/sync v0.16.0
-	golang.org/x/text v0.28.0
-	golang.org/x/time v0.12.0
+	github.com/oschwald/maxminddb-golang/v2 v2.1.1
+	github.com/spf13/cobra v1.10.2
+	github.com/stretchr/testify v1.11.1
+	go.opentelemetry.io/contrib/bridges/otelslog v0.14.0
+	go.opentelemetry.io/contrib/exporters/autoexport v0.64.0
+	go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.64.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.64.0
+	go.opentelemetry.io/otel v1.39.0
+	go.opentelemetry.io/otel/log v0.15.0
+	go.opentelemetry.io/otel/metric v1.39.0
+	go.opentelemetry.io/otel/sdk v1.39.0
+	go.opentelemetry.io/otel/sdk/log v0.15.0
+	go.opentelemetry.io/otel/sdk/metric v1.39.0
+	go.opentelemetry.io/otel/trace v1.39.0
+	golang.org/x/crypto v0.46.0
+	golang.org/x/image v0.34.0
+	golang.org/x/sync v0.19.0
+	golang.org/x/text v0.32.0
+	golang.org/x/time v0.14.0
 	gorm.io/driver/postgres v1.6.0
-	gorm.io/gorm v1.30.1
+	gorm.io/gorm v1.31.1
 )

 require (
-	github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 // indirect
+	github.com/Azure/go-ntlmssp v0.1.0 // indirect
+	github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.4 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.16 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.7 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.16 // indirect
+	github.com/aws/aws-sdk-go-v2/service/signin v1.0.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.30.8 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.12 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.41.5 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/bytedance/sonic v1.14.0 // indirect
-	github.com/bytedance/sonic/loader v0.3.0 // indirect
-	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/bytedance/gopkg v0.1.3 // indirect
+	github.com/bytedance/sonic v1.14.2 // indirect
+	github.com/bytedance/sonic/loader v0.4.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/cloudwego/base64x v0.1.6 // indirect
-	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 // indirect
-	github.com/disintegration/gift v1.1.2 // indirect
+	github.com/disintegration/gift v1.2.1 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.12 // indirect
 	github.com/gin-contrib/sse v1.1.0 // indirect
-	github.com/go-asn1-ber/asn1-ber v1.5.7 // indirect
+	github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667 // indirect
 	github.com/go-logr/logr v1.4.3 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-webauthn/x v0.1.23 // indirect
+	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
+	github.com/go-webauthn/x v0.1.27 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
-	github.com/golang-jwt/jwt/v5 v5.2.3 // indirect
+	github.com/goccy/go-yaml v1.19.1 // indirect
+	github.com/golang-jwt/jwt/v5 v5.3.0 // indirect
 	github.com/google/go-github/v39 v39.2.0 // indirect
-	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/google/go-tpm v0.9.5 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 // indirect
-	github.com/hashicorp/errwrap v1.1.0 // indirect
-	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/google/go-querystring v1.2.0 // indirect
+	github.com/google/go-tpm v0.9.8 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.4 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 // indirect
-	github.com/jackc/pgx/v5 v5.7.5 // indirect
+	github.com/jackc/pgx/v5 v5.8.0 // indirect
 	github.com/jackc/puddle/v2 v2.2.2 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
@@ -93,57 +112,60 @@ require (
 	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/lestrrat-go/blackmagic v1.0.4 // indirect
+	github.com/lestrrat-go/dsig v1.0.0 // indirect
+	github.com/lestrrat-go/dsig-secp256k1 v1.0.0 // indirect
 	github.com/lestrrat-go/httpcc v1.0.1 // indirect
-	github.com/lestrrat-go/option v1.0.1 // indirect
 	github.com/lestrrat-go/option/v2 v2.0.0 // indirect
 	github.com/lib/pq v1.10.9 // indirect
-	github.com/mattn/go-sqlite3 v1.14.24 // indirect
-	github.com/mitchellh/mapstructure v1.5.0 // indirect
+	github.com/mattn/go-sqlite3 v1.14.33 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/ncruces/go-strftime v0.1.9 // indirect
+	github.com/ncruces/go-strftime v1.0.0 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
-	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.22.0 // indirect
-	github.com/prometheus/client_model v0.6.1 // indirect
-	github.com/prometheus/common v0.62.0 // indirect
-	github.com/prometheus/procfs v0.15.1 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
+	github.com/prometheus/client_golang v1.23.2 // indirect
+	github.com/prometheus/client_model v0.6.2 // indirect
+	github.com/prometheus/common v0.67.4 // indirect
+	github.com/prometheus/otlptranslator v1.0.0 // indirect
+	github.com/prometheus/procfs v0.19.2 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.58.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/robfig/cron/v3 v3.0.1 // indirect
-	github.com/segmentio/asm v1.2.0 // indirect
-	github.com/spf13/pflag v1.0.6 // indirect
+	github.com/segmentio/asm v1.2.1 // indirect
+	github.com/spf13/pflag v1.0.10 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.3.0 // indirect
-	github.com/valyala/fastjson v1.6.4 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
+	github.com/valyala/fastjson v1.6.7 // indirect
 	github.com/x448/float16 v0.8.4 // indirect
-	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
-	go.opentelemetry.io/contrib/bridges/prometheus v0.59.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/prometheus v0.57.0 // indirect
-	go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0 // indirect
-	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0 // indirect
-	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.35.0 // indirect
-	go.opentelemetry.io/proto/otlp v1.5.0 // indirect
-	go.uber.org/atomic v1.11.0 // indirect
-	golang.org/x/arch v0.20.0 // indirect
-	golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 // indirect
-	golang.org/x/net v0.43.0 // indirect
-	golang.org/x/oauth2 v0.27.0 // indirect
-	golang.org/x/sys v0.35.0 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a // indirect
-	google.golang.org/grpc v1.71.0 // indirect
-	google.golang.org/protobuf v1.36.7 // indirect
+	go.opentelemetry.io/auto/sdk v1.2.1 // indirect
+	go.opentelemetry.io/contrib/bridges/prometheus v0.64.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.15.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.15.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/prometheus v0.61.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.15.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.39.0 // indirect
+	go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.39.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.9.0 // indirect
+	go.yaml.in/yaml/v2 v2.4.3 // indirect
+	golang.org/x/arch v0.23.0 // indirect
+	golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 // indirect
+	golang.org/x/net v0.48.0 // indirect
+	golang.org/x/oauth2 v0.34.0 // indirect
+	golang.org/x/sys v0.39.0 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20251222181119-0a764e51fe1b // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b // indirect
+	google.golang.org/grpc v1.78.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	modernc.org/libc v1.66.7 // indirect
+	modernc.org/libc v1.67.4 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
-	modernc.org/sqlite v1.38.2 // indirect
+	modernc.org/sqlite v1.42.2 // indirect
 )
--- a/backend/go.sum
+++ b/backend/go.sum
@@ -1,77 +1,121 @@
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161 h1:L/gRVlceqvL25UVaW/CKtUDjefjrs0SPonmDGUVOYP0=
 github.com/Azure/go-ansiterm v0.0.0-20230124172434-306776ec8161/go.mod h1:xomTg63KZ2rFqZQzSB4Vz2SUXa1BpHTVz9L5PTmPC4E=
-github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358 h1:mFRzDkZVAjdal+s7s0MwaRv9igoPqLRdzOLzw/8Xvq8=
-github.com/Azure/go-ntlmssp v0.0.0-20221128193559-754e69321358/go.mod h1:chxPXzSsl7ZWRAuOIE23GDNzjWuZquvFlgA8xmpunjU=
+github.com/Azure/go-ntlmssp v0.1.0 h1:DjFo6YtWzNqNvQdrwEyr/e4nhU3vRiwenz5QX7sFz+A=
+github.com/Azure/go-ntlmssp v0.1.0/go.mod h1:NYqdhxd/8aAct/s4qSYZEerdPuH1liG2/X9DiVTbhpk=
 github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
 github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
-github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa h1:LHTHcTQiSGT7VVbI0o4wBRNQIgn917usHWOd6VAffYI=
-github.com/alexbrainman/sspi v0.0.0-20231016080023-1a75b4708caa/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
+github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e h1:4dAU9FXIyQktpoUAgOJK3OTFc/xug0PCXYCqU0FgDKI=
+github.com/alexbrainman/sspi v0.0.0-20250919150558-7d374ff0d59e/go.mod h1:cEWa1LVoE5KvSD9ONXsZrj0z6KqySlCCNKHlLzbqAt4=
+github.com/aws/aws-sdk-go-v2 v1.41.0 h1:tNvqh1s+v0vFYdA1xq0aOJH+Y5cRyZ5upu6roPgPKd4=
+github.com/aws/aws-sdk-go-v2 v1.41.0/go.mod h1:MayyLB8y+buD9hZqkCW3kX1AKq07Y5pXxtgB+rRFhz0=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.4 h1:489krEF9xIGkOaaX3CE/Be2uWjiXrkCH6gUX+bZA/BU=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.7.4/go.mod h1:IOAPF6oT9KCsceNTvvYMNHy0+kMF8akOjeDvPENWxp4=
+github.com/aws/aws-sdk-go-v2/config v1.32.6 h1:hFLBGUKjmLAekvi1evLi5hVvFQtSo3GYwi+Bx4lpJf8=
+github.com/aws/aws-sdk-go-v2/config v1.32.6/go.mod h1:lcUL/gcd8WyjCrMnxez5OXkO3/rwcNmvfno62tnXNcI=
+github.com/aws/aws-sdk-go-v2/credentials v1.19.6 h1:F9vWao2TwjV2MyiyVS+duza0NIRtAslgLUM0vTA1ZaE=
+github.com/aws/aws-sdk-go-v2/credentials v1.19.6/go.mod h1:SgHzKjEVsdQr6Opor0ihgWtkWdfRAIwxYzSJ8O85VHY=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.16 h1:80+uETIWS1BqjnN9uJ0dBUaETh+P1XwFy5vwHwK5r9k=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.18.16/go.mod h1:wOOsYuxYuB/7FlnVtzeBYRcjSRtQpAW0hCP7tIULMwo=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.16 h1:rgGwPzb82iBYSvHMHXc8h9mRoOUBZIGFgKb9qniaZZc=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.4.16/go.mod h1:L/UxsGeKpGoIj6DxfhOWHWQ/kGKcd4I1VncE4++IyKA=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.16 h1:1jtGzuV7c82xnqOVfx2F0xmJcOw5374L7N6juGW6x6U=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.7.16/go.mod h1:M2E5OQf+XLe+SZGmmpaI2yy+J326aFf6/+54PoxSANc=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4 h1:WKuaxf++XKWlHWu9ECbMlha8WOEGm0OUEZqm4K/Gcfk=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.8.4/go.mod h1:ZWy7j6v1vWGmPReu0iSGvRiise4YI5SkR3OHKTZ6Wuc=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.16 h1:CjMzUs78RDDv4ROu3JnJn/Ig1r6ZD7/T2DXLLRpejic=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.4.16/go.mod h1:uVW4OLBqbJXSHJYA9svT9BluSvvwbzLQ2Crf6UPzR3c=
+github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.4 h1:0ryTNEdJbzUCEWkVXEXoqlXV72J5keC1GvILMOuD00E=
+github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.13.4/go.mod h1:HQ4qwNZh32C3CBeO6iJLQlgtMzqeG17ziAA/3KDJFow=
+github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.7 h1:DIBqIrJ7hv+e4CmIk2z3pyKT+3B6qVMgRsawHiR3qso=
+github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.9.7/go.mod h1:vLm00xmBke75UmpNvOcZQ/Q30ZFjbczeLFqGx5urmGo=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.16 h1:oHjJHeUy0ImIV0bsrX0X91GkV5nJAyv1l1CC9lnO0TI=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.13.16/go.mod h1:iRSNGgOYmiYwSCXxXaKb9HfOEj40+oTKn8pTxMlYkRM=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.16 h1:NSbvS17MlI2lurYgXnCOLvCFX38sBW4eiVER7+kkgsU=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.19.16/go.mod h1:SwT8Tmqd4sA6G1qaGdzWCJN99bUmPGHfRwwq3G5Qb+A=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.95.0 h1:MIWra+MSq53CFaXXAywB2qg9YvVZifkk6vEGl/1Qor0=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.95.0/go.mod h1:79S2BdqCJpScXZA2y+cpZuocWsjGjJINyXnOsf5DTz8=
+github.com/aws/aws-sdk-go-v2/service/signin v1.0.4 h1:HpI7aMmJ+mm1wkSHIA2t5EaFFv5EFYXePW30p1EIrbQ=
+github.com/aws/aws-sdk-go-v2/service/signin v1.0.4/go.mod h1:C5RdGMYGlfM0gYq/tifqgn4EbyX99V15P2V3R+VHbQU=
+github.com/aws/aws-sdk-go-v2/service/sso v1.30.8 h1:aM/Q24rIlS3bRAhTyFurowU8A0SMyGDtEOY/l/s/1Uw=
+github.com/aws/aws-sdk-go-v2/service/sso v1.30.8/go.mod h1:+fWt2UHSb4kS7Pu8y+BMBvJF0EWx+4H0hzNwtDNRTrg=
+github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.12 h1:AHDr0DaHIAo8c9t1emrzAlVDFp+iMMKnPdYy6XO4MCE=
+github.com/aws/aws-sdk-go-v2/service/ssooidc v1.35.12/go.mod h1:GQ73XawFFiWxyWXMHWfhiomvP3tXtdNar/fi8z18sx0=
+github.com/aws/aws-sdk-go-v2/service/sts v1.41.5 h1:SciGFVNZ4mHdm7gpD1dgZYnCuVdX1s+lFTg4+4DOy70=
+github.com/aws/aws-sdk-go-v2/service/sts v1.41.5/go.mod h1:iW40X4QBmUxdP+fZNOpfmkdMZqsovezbAeO+Ubiv2pk=
+github.com/aws/smithy-go v1.24.0 h1:LpilSUItNPFr1eY85RYgTIg5eIEPtvFbskaFcmmIUnk=
+github.com/aws/smithy-go v1.24.0/go.mod h1:LEj2LM3rBRQJxPZTB4KuzZkaZYnZPnvgIhb4pu07mx0=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
-github.com/bytedance/sonic v1.14.0 h1:/OfKt8HFw0kh2rj8N0F6C/qPGRESq0BbaNZgcNXXzQQ=
-github.com/bytedance/sonic v1.14.0/go.mod h1:WoEbx8WTcFJfzCe0hbmyTGrfjt8PzNEBdxlNUO24NhA=
-github.com/bytedance/sonic/loader v0.3.0 h1:dskwH8edlzNMctoruo8FPTJDF3vLtDT0sXZwvZJyqeA=
-github.com/bytedance/sonic/loader v0.3.0/go.mod h1:N8A3vUdtUebEY2/VQC0MyhYeKUFosQU6FxH2JmUe6VI=
+github.com/bytedance/gopkg v0.1.3 h1:TPBSwH8RsouGCBcMBktLt1AymVo2TVsBVCY4b6TnZ/M=
+github.com/bytedance/gopkg v0.1.3/go.mod h1:576VvJ+eJgyCzdjS+c4+77QF3p7ubbtiKARP3TxducM=
+github.com/bytedance/sonic v1.14.2 h1:k1twIoe97C1DtYUo+fZQy865IuHia4PR5RPiuGPPIIE=
+github.com/bytedance/sonic v1.14.2/go.mod h1:T80iDELeHiHKSc0C9tubFygiuXoGzrkjKzX2quAx980=
+github.com/bytedance/sonic/loader v0.4.0 h1:olZ7lEqcxtZygCK9EKYKADnpQoYkRQxaeY2NYzevs+o=
+github.com/bytedance/sonic/loader v0.4.0/go.mod h1:AR4NYCk5DdzZizZ5djGqQ92eEhCCcdf5x77udYiSJRo=
 github.com/caarlos0/env/v11 v11.3.1 h1:cArPWC15hWmEt+gWk7YBi7lEXTXCvpaSdCiZE2X5mCA=
 github.com/caarlos0/env/v11 v11.3.1/go.mod h1:qupehSf/Y0TUTsxKywqRt/vJjN5nz6vauiYEUUr8P4U=
-github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
-github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/cenkalti/backoff/v5 v5.0.3 h1:ZN+IMa753KfX5hd8vVaMixjnqRZ3y8CuJKRKj1xcsSM=
 github.com/cenkalti/backoff/v5 v5.0.3/go.mod h1:rkhZdG3JZukswDf7f0cwqPNk4K0sa+F97BxZthm/crw=
 github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
 github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cloudwego/base64x v0.1.6 h1:t11wG9AECkCDk5fMSoxmufanudBtJ+/HemLstXDLI2M=
 github.com/cloudwego/base64x v0.1.6/go.mod h1:OFcloc187FXDaYHvrNIjxSe8ncn0OOM8gEHfghB2IPU=
+github.com/containerd/errdefs v1.0.0 h1:tg5yIfIlQIrxYtu9ajqY42W3lpS19XqdxRQeEwYG8PI=
+github.com/containerd/errdefs v1.0.0/go.mod h1:+YBYIdtsnF4Iw6nWZhJcqGSg/dwvV7tyJ/kCkyJ2k+M=
+github.com/containerd/errdefs/pkg v0.3.0 h1:9IKJ06FvyNlexW690DXuQNx2KA2cUJXx151Xdx3ZPPE=
+github.com/containerd/errdefs/pkg v0.3.0/go.mod h1:NJw6s9HwNuRhnjJhM7pylWwMyAkmCQvQ4GpJHEqRLVk=
 github.com/cpuguy83/go-md2man/v2 v2.0.6/go.mod h1:oOW0eioCTA6cOiMLiUPZOpcVxMig6NIQQ7OS05n1F4g=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0 h1:NMZiJj8QnKe1LgsbDayM4UoHwbvwDRwnI3hwNaAHRnc=
 github.com/decred/dcrd/dcrec/secp256k1/v4 v4.4.0/go.mod h1:ZXNYxsqcloTdSy/rNShjYzMhyjf0LaoftYK0p+A3h40=
-github.com/dhui/dktest v0.4.5 h1:uUfYBIVREmj/Rw6MvgmqNAYzTiKOHJak+enB5Di73MM=
-github.com/dhui/dktest v0.4.5/go.mod h1:tmcyeHDKagvlDrz7gDKq4UAJOLIfVZYkfD5OnHDwcCo=
-github.com/disintegration/gift v1.1.2 h1:9ZyHJr+kPamiH10FX3Pynt1AxFUob812bU9Wt4GMzhs=
+github.com/dhui/dktest v0.4.6 h1:+DPKyScKSEp3VLtbMDHcUq6V5Lm5zfZZVb0Sk7Ahom4=
+github.com/dhui/dktest v0.4.6/go.mod h1:JHTSYDtKkvFNFHJKqCzVzqXecyv+tKt8EzceOmQOgbU=
 github.com/disintegration/gift v1.1.2/go.mod h1:Jh2i7f7Q2BM7Ezno3PhfezbR1xpUg9dUg3/RlKGr4HI=
+github.com/disintegration/gift v1.2.1 h1:Y005a1X4Z7Uc+0gLpSAsKhWi4qLtsdEcMIbbdvdZ6pc=
+github.com/disintegration/gift v1.2.1/go.mod h1:Jh2i7f7Q2BM7Ezno3PhfezbR1xpUg9dUg3/RlKGr4HI=
 github.com/disintegration/imageorient v0.0.0-20180920195336-8147d86e83ec h1:YrB6aVr9touOt75I9O1SiancmR2GMg45U9UYf0gtgWg=
 github.com/disintegration/imageorient v0.0.0-20180920195336-8147d86e83ec/go.mod h1:K0KBFIr1gWu/C1Gp10nFAcAE4hsB7JxE6OgLijrJ8Sk=
 github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c=
 github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4=
 github.com/distribution/reference v0.6.0 h1:0IXCQ5g4/QMHHkarYzh5l+u8T3t73zM5QvfrDyIgxBk=
 github.com/distribution/reference v0.6.0/go.mod h1:BbU0aIcezP1/5jX/8MP0YiH4SdvB5Y4f/wlDRiLyi3E=
-github.com/docker/docker v27.2.0+incompatible h1:Rk9nIVdfH3+Vz4cyI/uhbINhEZ/oLmc+CBXmH6fbNk4=
-github.com/docker/docker v27.2.0+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
+github.com/docker/docker v28.3.3+incompatible h1:Dypm25kh4rmk49v1eiVbsAtpAsYURjYkaKubwuBdxEI=
+github.com/docker/docker v28.3.3+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.5.0 h1:USnMq7hx7gwdVZq1L49hLXaFtUdTADjXGp+uj1Br63c=
 github.com/docker/go-connections v0.5.0/go.mod h1:ov60Kzw0kKElRwhNs9UlUHAE/F9Fe6GLaXnqyDdmEXc=
 github.com/docker/go-units v0.5.0 h1:69rxXcBk27SvSaaxTtLh/8llcHD8vYHT7WSdRZ/jvr4=
 github.com/docker/go-units v0.5.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
 github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
-github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21 h1:OJyUGMJTzHTd1XQp98QTaHernxMYzRaOasRir9hUlFQ=
-github.com/emersion/go-sasl v0.0.0-20200509203442-7bfe0ed36a21/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
-github.com/emersion/go-smtp v0.21.3 h1:7uVwagE8iPYE48WhNsng3RRpCUpFvNl39JGNSIyGVMY=
-github.com/emersion/go-smtp v0.21.3/go.mod h1:qm27SGYgoIPRot6ubfQ/GpiPy/g3PaZAVRxiO/sDUgQ=
+github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6 h1:oP4q0fw+fOSWn3DfFi4EXdT+B+gTtzx8GC9xsc26Znk=
+github.com/emersion/go-sasl v0.0.0-20241020182733-b788ff22d5a6/go.mod h1:iL2twTeMvZnrg54ZoPDNfJaJaqy0xIQFuBdrLsmspwQ=
+github.com/emersion/go-smtp v0.24.0 h1:g6AfoF140mvW0vLNPD/LuCBLEAdlxOjIXqbIkJIS6Wk=
+github.com/emersion/go-smtp v0.24.0/go.mod h1:ZtRRkbTyp2XTHCA+BmyTFTrj8xY4I+b4McvHxCU2gsQ=
 github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
 github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/fxamacker/cbor/v2 v2.9.0 h1:NpKPmjDBgUfBms6tr6JZkTHtfFGcMKsw3eGcmD/sapM=
 github.com/fxamacker/cbor/v2 v2.9.0/go.mod h1:vM4b+DJCtHn+zz7h3FFp/hDAI9WNWCsZj23V5ytsSxQ=
-github.com/gabriel-vasile/mimetype v1.4.9 h1:5k+WDwEsD9eTLL8Tz3L0VnmVh9QxGjRmjBvAG7U/oYY=
-github.com/gabriel-vasile/mimetype v1.4.9/go.mod h1:WnSQhFKJuBlRyLiKohA/2DtIlPFAbguNaG7QCHcyGok=
-github.com/gin-contrib/slog v1.1.0 h1:K9MVNrETT6r/C3u2Aheer/gxwVeVqrGL0hXlsmv3fm4=
-github.com/gin-contrib/slog v1.1.0/go.mod h1:PvNXQVXcVOAaaiJR84LV1/xlQHIaXi9ygEXyBkmjdkY=
+github.com/gabriel-vasile/mimetype v1.4.12 h1:e9hWvmLYvtp846tLHam2o++qitpguFiYCKbn0w9jyqw=
+github.com/gabriel-vasile/mimetype v1.4.12/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/gin-contrib/slog v1.2.0 h1:vAxZfr7knD1ZYK5+pMJLP52sZXIkJXkcRPa/0dx9hSk=
+github.com/gin-contrib/slog v1.2.0/go.mod h1:vYK6YltmpsEFkO0zfRMLTKHrWS3DwUSn0TMpT+kMagI=
 github.com/gin-contrib/sse v1.1.0 h1:n0w2GMuUpWDVp7qSpvze6fAu9iRxJY4Hmj6AmBOU05w=
 github.com/gin-contrib/sse v1.1.0/go.mod h1:hxRZ5gVpWMT7Z0B0gSNYqqsSCNIJMjzvm6fqCz9vjwM=
-github.com/gin-gonic/gin v1.10.1 h1:T0ujvqyCSqRopADpgPgiTT63DUQVSfojyME59Ei63pQ=
-github.com/gin-gonic/gin v1.10.1/go.mod h1:4PMNQiOhvDRa013RKVbsiNwoyezlm2rm0uX/T7kzp5Y=
+github.com/gin-gonic/gin v1.11.0 h1:OW/6PLjyusp2PPXtyxKHU0RbX6I/l28FTdDlae5ueWk=
+github.com/gin-gonic/gin v1.11.0/go.mod h1:+iq/FyxlGzII0KHiBGjuNn4UNENUlKbGlNmc+W50Dls=
 github.com/glebarez/go-sqlite v1.22.0 h1:uAcMJhaA6r3LHMTFgP0SifzgXg46yJkgxqyuyec+ruQ=
 github.com/glebarez/go-sqlite v1.22.0/go.mod h1:PlBIdHe0+aUEFn+r2/uthrWq4FxbzugL0L8Li6yQJbc=
 github.com/glebarez/sqlite v1.11.0 h1:wSG0irqzP6VurnMEpFGer5Li19RpIRi2qvQz++w0GMw=
 github.com/glebarez/sqlite v1.11.0/go.mod h1:h8/o8j5wiAsqSPoWELDUdJXhjAhsVliSn7bWZjOhrgQ=
-github.com/go-asn1-ber/asn1-ber v1.5.7 h1:DTX+lbVTWaTw1hQ+PbZPlnDZPEIs0SS/GCZAl535dDk=
-github.com/go-asn1-ber/asn1-ber v1.5.7/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
-github.com/go-co-op/gocron/v2 v2.16.3 h1:kYqukZqBa8RC2+AFAHnunmKcs9GRTjwBo8WRF3I6cbI=
-github.com/go-co-op/gocron/v2 v2.16.3/go.mod h1:aTf7/+5Jo2E+cyAqq625UQ6DzpkV96b22VHIUAt6l3c=
-github.com/go-ldap/ldap/v3 v3.4.10 h1:ot/iwPOhfpNVgB1o+AVXljizWZ9JTp7YF5oeyONmcJU=
-github.com/go-ldap/ldap/v3 v3.4.10/go.mod h1:JXh4Uxgi40P6E9rdsYqpUtbW46D9UTjJ9QSwGRznplY=
+github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667 h1:BP4M0CvQ4S3TGls2FvczZtj5Re/2ZzkV9VwqPHH/3Bo=
+github.com/go-asn1-ber/asn1-ber v1.5.8-0.20250403174932-29230038a667/go.mod h1:hEBeB/ic+5LoWskz+yKT7vGhhPYkProFKoKdwZRWMe0=
+github.com/go-co-op/gocron/v2 v2.19.0 h1:OKf2y6LXPs/BgBI2fl8PxUpNAI1DA9Mg+hSeGOS38OU=
+github.com/go-co-op/gocron/v2 v2.19.0/go.mod h1:5lEiCKk1oVJV39Zg7/YG10OnaVrDAV5GGR6O0663k6U=
+github.com/go-ldap/ldap/v3 v3.4.12 h1:1b81mv7MagXZ7+1r7cLTWmyuTqVqdwbtJSjC0DAp9s4=
+github.com/go-ldap/ldap/v3 v3.4.12/go.mod h1:+SPAGcTtOfmGsCb3h1RFiq4xpp4N636G75OEace8lNo=
 github.com/go-logr/logr v1.2.2/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
 github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
@@ -83,20 +127,24 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.27.0 h1:w8+XrWVMhGkxOaaowyKH35gFydVHOvC0/uWoy2Fzwn4=
-github.com/go-playground/validator/v10 v10.27.0/go.mod h1:I5QpIEbmr8On7W0TktmJAumgzX4CA1XNl4ZmDuVHKKo=
-github.com/go-webauthn/webauthn v0.11.2 h1:Fgx0/wlmkClTKlnOsdOQ+K5HcHDsDcYIvtYmfhEOSUc=
-github.com/go-webauthn/webauthn v0.11.2/go.mod h1:aOtudaF94pM71g3jRwTYYwQTG1KyTILTcZqN1srkmD0=
-github.com/go-webauthn/x v0.1.23 h1:9lEO0s+g8iTyz5Vszlg/rXTGrx3CjcD0RZQ1GPZCaxI=
-github.com/go-webauthn/x v0.1.23/go.mod h1:AJd3hI7NfEp/4fI6T4CHD753u91l510lglU7/NMN6+E=
+github.com/go-playground/validator/v10 v10.30.1 h1:f3zDSN/zOma+w6+1Wswgd9fLkdwy06ntQJp0BBvFG0w=
+github.com/go-playground/validator/v10 v10.30.1/go.mod h1:oSuBIQzuJxL//3MelwSLD5hc2Tu889bF0Idm9Dg26cM=
+github.com/go-viper/mapstructure/v2 v2.4.0 h1:EBsztssimR/CONLSZZ04E8qAkxNYq4Qp9LvH92wZUgs=
+github.com/go-viper/mapstructure/v2 v2.4.0/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/go-webauthn/webauthn v0.15.0 h1:LR1vPv62E0/6+sTenX35QrCmpMCzLeVAcnXeH4MrbJY=
+github.com/go-webauthn/webauthn v0.15.0/go.mod h1:hcAOhVChPRG7oqG7Xj6XKN1mb+8eXTGP/B7zBLzkX5A=
+github.com/go-webauthn/x v0.1.27 h1:CLyuB8JGn9xvw0etBl4fnclcbPTwhKpN4Xg32zaSYnI=
+github.com/go-webauthn/x v0.1.27/go.mod h1:KGYJQAPPgbpDKi4N7zKMGL+Iz6WgxKg3OlhVbPtuJXI=
 github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
 github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/goccy/go-yaml v1.19.1 h1:3rG3+v8pkhRqoQ/88NYNMHYVGYztCOCIZ7UQhu7H+NE=
+github.com/goccy/go-yaml v1.19.1/go.mod h1:XBurs7gK8ATbW4ZPGKgcbrY1Br56PdM69F7LkFRi1kA=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
-github.com/golang-jwt/jwt/v5 v5.2.3 h1:kkGXqQOBSDDWRhWNXTFpqGSCMyh/PLnqUvMGJPDJDs0=
-github.com/golang-jwt/jwt/v5 v5.2.3/go.mod h1:pqrtFR0X4osieyHYxtmOUWsAWrfe1Q5UVIyoH402zdk=
-github.com/golang-migrate/migrate/v4 v4.18.3 h1:EYGkoOsvgHHfm5U/naS1RP/6PL/Xv3S4B/swMiAmDLs=
-github.com/golang-migrate/migrate/v4 v4.18.3/go.mod h1:99BKpIi6ruaaXRM1A77eqZ+FWPQ3cfRa+ZVy5bmWMaY=
+github.com/golang-jwt/jwt/v5 v5.3.0 h1:pv4AsKCKKZuqlgs5sUmn4x8UlGa0kEVt/puTpKx9vvo=
+github.com/golang-jwt/jwt/v5 v5.3.0/go.mod h1:fxCRLWMO43lRc8nhHWY6LGqRcf+1gQWArsqaEUEa5bE=
+github.com/golang-migrate/migrate/v4 v4.19.1 h1:OCyb44lFuQfYXYLx1SCxPZQGU7mcaZ7gH9yH4jSFbBA=
+github.com/golang-migrate/migrate/v4 v4.19.1/go.mod h1:CTcgfjxhaUtsLipnLoQRWCrjYXycRz/g5+RWDuYgPrE=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
@@ -108,35 +156,30 @@ github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
 github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/google/go-github/v39 v39.2.0 h1:rNNM311XtPOz5rDdsJXAp2o8F67X9FnROXTvto3aSnQ=
 github.com/google/go-github/v39 v39.2.0/go.mod h1:C1s8C5aCC9L+JXIYpJM5GYytdX52vC1bLvHEF1IhBrE=
-github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
 github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
-github.com/google/go-tpm v0.9.5 h1:ocUmnDebX54dnW+MQWGQRbdaAcJELsa6PqZhJ48KwVU=
-github.com/google/go-tpm v0.9.5/go.mod h1:h9jEsEECg7gtLis0upRBQU+GhYVH6jMjrFxI8u6bVUY=
+github.com/google/go-querystring v1.2.0 h1:yhqkPbu2/OH+V9BfpCVPZkNmUXhb2gBxJArfhIxNtP0=
+github.com/google/go-querystring v1.2.0/go.mod h1:8IFJqpSRITyJ8QhQ13bmbeMBDfmeEJZD5A0egEOmkqU=
+github.com/google/go-tpm v0.9.8 h1:slArAR9Ft+1ybZu0lBwpSmpwhRXaa85hWtMinMyRAWo=
+github.com/google/go-tpm v0.9.8/go.mod h1:h9jEsEECg7gtLis0upRBQU+GhYVH6jMjrFxI8u6bVUY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e h1:ijClszYn+mADRFY17kjQEVQ1XRhq2/JR1M3sGqeJoxs=
 github.com/google/pprof v0.0.0-20250317173921-a4b03ec1a45e/go.mod h1:boTsfXsheKC2y+lKOCMpSfarhxDeIzfZG1jqGcPl3cA=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/gorilla/securecookie v1.1.1/go.mod h1:ra0sb63/xPlUeL+yeDciTfxMRAA+MP+HVt/4epWDjd4=
-github.com/gorilla/sessions v1.2.1/go.mod h1:dk2InVEVJ0sfLlnXv9EAgkf6ecYs/i80K/zI+bUmuGM=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1 h1:e9Rjr40Z98/clHv5Yg79Is0NtosR5LXRvdr7o/6NwbA=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.26.1/go.mod h1:tIxuGz/9mpox++sgp9fJjHO0+q1X9/UOWd798aAm22M=
-github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
-github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
-github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
-github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
-github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
-github.com/hashicorp/go-uuid v1.0.2/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.4 h1:kEISI/Gx67NzH3nJxAmY/dGac80kKZgZt134u7Y/k1s=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.27.4/go.mod h1:6Nz966r3vQYCqIzWsuEl9d7cf7mRhtDmm++sOxlnfxI=
 github.com/hashicorp/go-uuid v1.0.3 h1:2gKiV6YVmrJ1i2CKKa9obLvRieoRGviZFL26PcT/Co8=
 github.com/hashicorp/go-uuid v1.0.3/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
+github.com/hashicorp/golang-lru/v2 v2.0.7 h1:a+bsQ5rvGLjzHuww6tVxozPZFVghXaHOwFs4luLUK2k=
+github.com/hashicorp/golang-lru/v2 v2.0.7/go.mod h1:QeFd9opnmA6QUJc5vARoKUSoFhyfM2/ZepoAG6RGpeM=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/jackc/pgpassfile v1.0.0 h1:/6Hmqy13Ss2zCq62VdNG8tM1wchn8zjSGOBJ6icpsIM=
 github.com/jackc/pgpassfile v1.0.0/go.mod h1:CEx0iS5ambNFdcRtxPj5JhEz+xB6uRky5eyVu/W2HEg=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761 h1:iCEnooe7UlwOQYpKFhBabPMi4aNAfoODPEFNiAnClxo=
 github.com/jackc/pgservicefile v0.0.0-20240606120523-5a60cdf6a761/go.mod h1:5TJZWKEWniPve33vlWYSoGYefn3gLQRzjfDlhSJ9ZKM=
-github.com/jackc/pgx/v5 v5.7.5 h1:JHGfMnQY+IEtGM63d+NGMjoRpysB2JBwDr5fsngwmJs=
-github.com/jackc/pgx/v5 v5.7.5/go.mod h1:aruU7o91Tc2q2cFp5h4uP3f6ztExVpyVv88Xl/8Vl8M=
+github.com/jackc/pgx/v5 v5.8.0 h1:TYPDoleBBme0xGSAX3/+NujXXtpZn9HBONkQC7IEZSo=
+github.com/jackc/pgx/v5 v5.8.0/go.mod h1:QVeDInX2m9VyzvNeiCJVjCkNFqzsNb43204HshNSZKw=
 github.com/jackc/puddle/v2 v2.2.2 h1:PR8nw+E/1w0GLuRFSmiioY6UooMp6KJv0/61nB7icHo=
 github.com/jackc/puddle/v2 v2.2.2/go.mod h1:vriiEXHvEE654aYKXXjOvZM39qJ0q+azkZFrfEOc3H4=
 github.com/jcmturner/aescts/v2 v2.0.0 h1:9YKLH6ey7H4eDBXW8khjYslgyqG2xZikXP0EQFKrle8=
@@ -177,14 +220,16 @@ github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
 github.com/lestrrat-go/blackmagic v1.0.4 h1:IwQibdnf8l2KoO+qC3uT4OaTWsW7tuRQXy9TRN9QanA=
 github.com/lestrrat-go/blackmagic v1.0.4/go.mod h1:6AWFyKNNj0zEXQYfTMPfZrAXUWUfTIZ5ECEUEJaijtw=
+github.com/lestrrat-go/dsig v1.0.0 h1:OE09s2r9Z81kxzJYRn07TFM9XA4akrUdoMwr0L8xj38=
+github.com/lestrrat-go/dsig v1.0.0/go.mod h1:dEgoOYYEJvW6XGbLasr8TFcAxoWrKlbQvmJgCR0qkDo=
+github.com/lestrrat-go/dsig-secp256k1 v1.0.0 h1:JpDe4Aybfl0soBvoVwjqDbp+9S1Y2OM7gcrVVMFPOzY=
+github.com/lestrrat-go/dsig-secp256k1 v1.0.0/go.mod h1:CxUgAhssb8FToqbL8NjSPoGQlnO4w3LG1P0qPWQm/NU=
 github.com/lestrrat-go/httpcc v1.0.1 h1:ydWCStUeJLkpYyjLDHihupbn2tYmZ7m22BGkcvZZrIE=
 github.com/lestrrat-go/httpcc v1.0.1/go.mod h1:qiltp3Mt56+55GPVCbTdM9MlqhvzyuL6W/NMDA8vA5E=
-github.com/lestrrat-go/httprc/v3 v3.0.0 h1:nZUx/zFg5uc2rhlu1L1DidGr5Sj02JbXvGSpnY4LMrc=
-github.com/lestrrat-go/httprc/v3 v3.0.0/go.mod h1:k2U1QIiyVqAKtkffbg+cUmsyiPGQsb9aAfNQiNFuQ9Q=
-github.com/lestrrat-go/jwx/v3 v3.0.10 h1:XuoCBhZBncRIjMQ32HdEc76rH0xK/Qv2wq5TBouYJDw=
-github.com/lestrrat-go/jwx/v3 v3.0.10/go.mod h1:kNMedLgTpHvPJkK5EMVa1JFz+UVyY2dMmZKu3qjl/Pk=
-github.com/lestrrat-go/option v1.0.1 h1:oAzP2fvZGQKWkvHa1/SAcFolBEca1oN+mQ7eooNBEYU=
-github.com/lestrrat-go/option v1.0.1/go.mod h1:5ZHFbivi4xwXxhxY9XHDe2FHo6/Z7WWmtT7T5nBBp3I=
+github.com/lestrrat-go/httprc/v3 v3.0.3 h1:WjLHWkDkgWXeIUrKi/7lS/sGq2DjkSAwdTbH5RHXAKs=
+github.com/lestrrat-go/httprc/v3 v3.0.3/go.mod h1:mSMtkZW92Z98M5YoNNztbRGxbXHql7tSitCvaxvo9l0=
+github.com/lestrrat-go/jwx/v3 v3.0.12 h1:p25r68Y4KrbBdYjIsQweYxq794CtGCzcrc5dGzJIRjg=
+github.com/lestrrat-go/jwx/v3 v3.0.12/go.mod h1:HiUSaNmMLXgZ08OmGBaPVvoZQgJVOQphSrGr5zMamS8=
 github.com/lestrrat-go/option/v2 v2.0.0 h1:XxrcaJESE1fokHy3FpaQ/cXW8ZsIdWcdFzzLOcID3Ss=
 github.com/lestrrat-go/option/v2 v2.0.0/go.mod h1:oSySsmzMoR0iRzCDCaUfsCzxQHUEuhOViQObyy7S6Vg=
 github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
@@ -193,12 +238,10 @@ github.com/lmittmann/tint v1.1.2 h1:2CQzrL6rslrsyjqLDwD11bZ5OpLBPU+g3G/r5LSfS8w=
 github.com/lmittmann/tint v1.1.2/go.mod h1:HIS3gSy7qNwGCj+5oRjAutErFBl4BzdQP6cJZ0NfMwE=
 github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
-github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
-github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/mattn/go-sqlite3 v1.14.33 h1:A5blZ5ulQo2AtayQ9/limgHEkFreKj1Dv226a1K73s0=
+github.com/mattn/go-sqlite3 v1.14.33/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
 github.com/mileusna/useragent v1.3.5 h1:SJM5NzBmh/hO+4LGeATKpaEX9+b4vcGg2qXGLiNGDws=
 github.com/mileusna/useragent v1.3.5/go.mod h1:3d8TOmwL/5I8pJjyVDteHtgDGcefrFUX4ccGOMKNYYc=
-github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
-github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/moby/docker-image-spec v1.3.1 h1:jMKff3w6PgbfSa69GfNg+zN/XLhfXJGnEx3Nl2EsFP0=
 github.com/moby/docker-image-spec v1.3.1/go.mod h1:eKmb5VW8vQEh/BAr2yvVNvuiJuY6UIocYsFu/DxxRpo=
 github.com/moby/term v0.5.0 h1:xt8Q1nalod/v7BqbG21f8mQPqH+xAaC9C3N3wfWbVP0=
@@ -212,247 +255,207 @@ github.com/morikuni/aec v1.0.0 h1:nP9CBfwrvYnBRgY6qfDQkygYDmYwOilePFkwzv4dU8A=
 github.com/morikuni/aec v1.0.0/go.mod h1:BbKIizmSmc5MMPqRYbxO4ZU0S0+P200+tUnFx7PXmsc=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
-github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
+github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.1.0 h1:8SG7/vwALn54lVB/0yZ/MMwhFrPYtpEHQb2IpWsCzug=
 github.com/opencontainers/image-spec v1.1.0/go.mod h1:W4s4sFTMaBeK1BQLXbG4AdM2szdn85PY75RI83NrTrM=
 github.com/orandin/slog-gorm v1.4.0 h1:FgA8hJufF9/jeNSYoEXmHPPBwET2gwlF3B85JdpsTUU=
 github.com/orandin/slog-gorm v1.4.0/go.mod h1:MoZ51+b7xE9lwGNPYEhxcUtRNrYzjdcKvA8QXQQGEPA=
-github.com/oschwald/maxminddb-golang/v2 v2.0.0-beta.8 h1:aM1/rO6p+XV+l+seD7UCtFZgsOefDTrFVLvPoZWjXZs=
-github.com/oschwald/maxminddb-golang/v2 v2.0.0-beta.8/go.mod h1:Jts8ztuE0PkUwY7VCJyp6B68ujQfr6G9P5Dn3Yx9u6w=
+github.com/oschwald/maxminddb-golang/v2 v2.1.1 h1:lA8FH0oOrM4u7mLvowq8IT6a3Q/qEnqRzLQn9eH5ojc=
+github.com/oschwald/maxminddb-golang/v2 v2.1.1/go.mod h1:PLdx6PR+siSIoXqqy7C7r3SB3KZnhxWr1Dp6g0Hacl8=
 github.com/pelletier/go-toml/v2 v2.2.4 h1:mye9XuhQ6gvn5h28+VilKrrPoQVanw5PMw/TB0t5Ec4=
 github.com/pelletier/go-toml/v2 v2.2.4/go.mod h1:2gIqNv+qfxSVS7cM2xJQKtLSTLUE9V8t9Stt+h56mCY=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
-github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prometheus/client_golang v1.22.0 h1:rb93p9lokFEsctTys46VnV1kLCDpVZ0a/Y92Vm0Zc6Q=
-github.com/prometheus/client_golang v1.22.0/go.mod h1:R7ljNsLXhuQXYZYtw6GAE9AZg8Y7vEW5scdCXrWRXC0=
-github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
-github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
-github.com/prometheus/common v0.62.0 h1:xasJaQlnWAeyHdUBeGjXmutelfJHWMRr+Fg4QszZ2Io=
-github.com/prometheus/common v0.62.0/go.mod h1:vyBcEuLSvWos9B1+CyL7JZ2up+uFzXhkqml0W5zIY1I=
-github.com/prometheus/procfs v0.15.1 h1:YagwOFzUgYfKKHX6Dr+sHT7km/hxC76UB0learggepc=
-github.com/prometheus/procfs v0.15.1/go.mod h1:fB45yRUv8NstnjriLhBQLuOUt+WW4BsoGhij/e3PBqk=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 h1:Jamvg5psRIccs7FGNTlIRMkT8wgtp5eCXdBlqhYGL6U=
+github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/prometheus/client_golang v1.23.2 h1:Je96obch5RDVy3FDMndoUsjAhG5Edi49h0RJWRi/o0o=
+github.com/prometheus/client_golang v1.23.2/go.mod h1:Tb1a6LWHB3/SPIzCoaDXI4I8UHKeFTEQ1YCr+0Gyqmg=
+github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=
+github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
+github.com/prometheus/common v0.67.4 h1:yR3NqWO1/UyO1w2PhUvXlGQs/PtFmoveVO0KZ4+Lvsc=
+github.com/prometheus/common v0.67.4/go.mod h1:gP0fq6YjjNCLssJCQp0yk4M8W6ikLURwkdd/YKtTbyI=
+github.com/prometheus/otlptranslator v1.0.0 h1:s0LJW/iN9dkIH+EnhiD3BlkkP5QVIUVEoIwkU+A6qos=
+github.com/prometheus/otlptranslator v1.0.0/go.mod h1:vRYWnXvI6aWGpsdY/mOT/cbeVRBlPWtBNDb7kGR3uKM=
+github.com/prometheus/procfs v0.19.2 h1:zUMhqEW66Ex7OXIiDkll3tl9a1ZdilUOd/F6ZXw4Vws=
+github.com/prometheus/procfs v0.19.2/go.mod h1:M0aotyiemPhBCM0z5w87kL22CxfcH05ZpYlu+b4J7mw=
+github.com/quic-go/qpack v0.6.0 h1:g7W+BMYynC1LbYLSqRt8PBg5Tgwxn214ZZR34VIOjz8=
+github.com/quic-go/qpack v0.6.0/go.mod h1:lUpLKChi8njB4ty2bFLX2x4gzDqXwUpaO1DP9qMDZII=
+github.com/quic-go/quic-go v0.58.0 h1:ggY2pvZaVdB9EyojxL1p+5mptkuHyX5MOSv4dgWF4Ug=
+github.com/quic-go/quic-go v0.58.0/go.mod h1:upnsH4Ju1YkqpLXC305eW3yDZ4NfnNbmQRCMWS58IKU=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
 github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
 github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
 github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
-github.com/rogpeppe/go-internal v1.13.1 h1:KvO1DLK/DRN07sQ1LQKScxyZJuNnedQ5/wKSR38lUII=
-github.com/rogpeppe/go-internal v1.13.1/go.mod h1:uMEvuHeurkdAXX61udpOXGD/AzZDWNMNyH2VO9fmH0o=
+github.com/rogpeppe/go-internal v1.14.1 h1:UQB4HGPB6osV0SQTLymcB4TgvyWu6ZyliaW0tI/otEQ=
+github.com/rogpeppe/go-internal v1.14.1/go.mod h1:MaRKkUm5W0goXpeCfT7UZI6fk/L7L7so1lCWt35ZSgc=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
-github.com/segmentio/asm v1.2.0 h1:9BQrFxC+YOHJlTlHGkTrFWf59nbL3XnCoFLTwDCI7ys=
-github.com/segmentio/asm v1.2.0/go.mod h1:BqMnlJP91P8d+4ibuonYZw9mfnzI9HfxselHZr5aAcs=
-github.com/spf13/cobra v1.9.1 h1:CXSaggrXdbHK9CF+8ywj8Amf7PBRmPCOJugH954Nnlo=
-github.com/spf13/cobra v1.9.1/go.mod h1:nDyEzZ8ogv936Cinf6g1RU9MRY64Ir93oCnqb9wxYW0=
-github.com/spf13/pflag v1.0.6 h1:jFzHGLGAlb3ruxLB8MhbI6A8+AQX/2eW4qeyNZXNp2o=
-github.com/spf13/pflag v1.0.6/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/segmentio/asm v1.2.1 h1:DTNbBqs57ioxAD4PrArqftgypG4/qNpXoJx8TVXxPR0=
+github.com/segmentio/asm v1.2.1/go.mod h1:BqMnlJP91P8d+4ibuonYZw9mfnzI9HfxselHZr5aAcs=
+github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
+github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=
+github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
+github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
-github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
-github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
-github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/twitchyliquid64/golang-asm v0.15.1 h1:SU5vSMR7hnwNxj24w34ZyCi/FmDZTkS4MhqMhdFk5YI=
 github.com/twitchyliquid64/golang-asm v0.15.1/go.mod h1:a1lVb/DtPvCB8fslRZhAngC2+aY1QWCk3Cedj/Gdt08=
-github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
-github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
-github.com/valyala/fastjson v1.6.4 h1:uAUNq9Z6ymTgGhcm0UynUAB6tlbakBrz6CQFax3BXVQ=
-github.com/valyala/fastjson v1.6.4/go.mod h1:CLCAqky6SMuOcxStkYQvblddUtoRxhYMGLrsQns1aXY=
+github.com/ugorji/go/codec v1.3.1 h1:waO7eEiFDwidsBN6agj1vJQ4AG7lh2yqXyOXqhgQuyY=
+github.com/ugorji/go/codec v1.3.1/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
+github.com/valyala/fastjson v1.6.7 h1:ZE4tRy0CIkh+qDc5McjatheGX2czdn8slQjomexVpBM=
+github.com/valyala/fastjson v1.6.7/go.mod h1:CLCAqky6SMuOcxStkYQvblddUtoRxhYMGLrsQns1aXY=
 github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-go.opentelemetry.io/contrib/bridges/otelslog v0.12.0 h1:lFM7SZo8Ce01RzRfnUFQZEYeWRf/MtOA3A5MobOqk2g=
-go.opentelemetry.io/contrib/bridges/otelslog v0.12.0/go.mod h1:Dw05mhFtrKAYu72Tkb3YBYeQpRUJ4quDgo2DQw3No5A=
-go.opentelemetry.io/contrib/bridges/prometheus v0.59.0 h1:HY2hJ7yn3KuEBBBsKxvF3ViSmzLwsgeNvD+0utRMgzc=
-go.opentelemetry.io/contrib/bridges/prometheus v0.59.0/go.mod h1:H4H7vs8766kwFnOZVEGMJFVF+phpBSmTckvvNRdJeDI=
-go.opentelemetry.io/contrib/exporters/autoexport v0.59.0 h1:dKhAFwh7SSoOw+gwMtSv+XLkUGTFAwAGMT3X3XSE4FA=
-go.opentelemetry.io/contrib/exporters/autoexport v0.59.0/go.mod h1:fPl+qlrhRdRntIpPs9JoQ0iBKAsnH5VkgppU1f9kyF4=
-go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.60.0 h1:jj/B7eX95/mOxim9g9laNZkOHKz/XCHG0G410SntRy4=
-go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.60.0/go.mod h1:ZvRTVaYYGypytG0zRp2A60lpj//cMq3ZnxYdZaljVBM=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0 h1:TT4fX+nBOA/+LUkobKGW1ydGcn+G3vRw9+g5HwCphpk=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.54.0/go.mod h1:L7UH0GbB0p47T4Rri3uHjbpCFYrVrwc1I25QhNPiGK8=
-go.opentelemetry.io/otel v1.37.0 h1:9zhNfelUvx0KBfu/gb+ZgeAfAgtWrfHJZcAqFC228wQ=
-go.opentelemetry.io/otel v1.37.0/go.mod h1:ehE/umFRLnuLa/vSccNq9oS1ErUlkkK71gMcN34UG8I=
-go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.10.0 h1:5dTKu4I5Dn4P2hxyW3l3jTaZx9ACgg0ECos1eAVrheY=
-go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.10.0/go.mod h1:P5HcUI8obLrCCmM3sbVBohZFH34iszk/+CPWuakZWL8=
-go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.10.0 h1:q/heq5Zh8xV1+7GoMGJpTxM2Lhq5+bFxB29tshuRuw0=
-go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.10.0/go.mod h1:leO2CSTg0Y+LyvmR7Wm4pUxE8KAmaM2GCVx7O+RATLA=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0 h1:QcFwRrZLc82r8wODjvyCbP7Ifp3UANaBSmhDSFjnqSc=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.35.0/go.mod h1:CXIWhUomyWBG/oY2/r/kLp6K/cmx9e/7DLpBuuGdLCA=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.35.0 h1:0NIXxOCFx+SKbhCVxwl3ETG8ClLPAa0KuKV6p3yhxP8=
-go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.35.0/go.mod h1:ChZSJbbfbl/DcRZNc9Gqh6DYGlfjw4PvO1pEOZH1ZsE=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0 h1:1fTNlAIJZGWLP5FVu0fikVry1IsiUnXjf7QFvoNN3Xw=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.35.0/go.mod h1:zjPK58DtkqQFn+YUMbx0M2XV3QgKU0gS9LeGohREyK4=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0 h1:m639+BofXTvcY1q8CGs4ItwQarYtJPOWmVobfM1HpVI=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.35.0/go.mod h1:LjReUci/F4BUyv+y4dwnq3h/26iNOeC3wAIqgvTIZVo=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.35.0 h1:xJ2qHD0C1BeYVTLLR9sX12+Qb95kfeD/byKj6Ky1pXg=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.35.0/go.mod h1:u5BF1xyjstDowA1R5QAO9JHzqK+ublenEW/dyqTjBVk=
-go.opentelemetry.io/otel/exporters/prometheus v0.57.0 h1:AHh/lAP1BHrY5gBwk8ncc25FXWm/gmmY3BX258z5nuk=
-go.opentelemetry.io/otel/exporters/prometheus v0.57.0/go.mod h1:QpFWz1QxqevfjwzYdbMb4Y1NnlJvqSGwyuU0B4iuc9c=
-go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0 h1:GKCEAZLEpEf78cUvudQdTg0aET2ObOZRB2HtXA0qPAI=
-go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.10.0/go.mod h1:9/zqSWLCmHT/9Jo6fYeUDRRogOLL60ABLsHWS99lF8s=
-go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0 h1:PB3Zrjs1sG1GBX51SXyTSoOTqcDglmsk7nT6tkKPb/k=
-go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.35.0/go.mod h1:U2R3XyVPzn0WX7wOIypPuptulsMcPDPs/oiSVOMVnHY=
-go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.35.0 h1:T0Ec2E+3YZf5bgTNQVet8iTDW7oIk03tXHq+wkwIDnE=
-go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.35.0/go.mod h1:30v2gqH+vYGJsesLWFov8u47EpYTcIQcBjKpI6pJThg=
-go.opentelemetry.io/otel/log v0.13.0 h1:yoxRoIZcohB6Xf0lNv9QIyCzQvrtGZklVbdCoyb7dls=
-go.opentelemetry.io/otel/log v0.13.0/go.mod h1:INKfG4k1O9CL25BaM1qLe0zIedOpvlS5Z7XgSbmN83E=
-go.opentelemetry.io/otel/metric v1.37.0 h1:mvwbQS5m0tbmqML4NqK+e3aDiO02vsf/WgbsdpcPoZE=
-go.opentelemetry.io/otel/metric v1.37.0/go.mod h1:04wGrZurHYKOc+RKeye86GwKiTb9FKm1WHtO+4EVr2E=
-go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
-go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
-go.opentelemetry.io/otel/sdk/log v0.10.0 h1:lR4teQGWfeDVGoute6l0Ou+RpFqQ9vaPdrNJlST0bvw=
-go.opentelemetry.io/otel/sdk/log v0.10.0/go.mod h1:A+V1UTWREhWAittaQEG4bYm4gAZa6xnvVu+xKrIRkzo=
-go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
-go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
-go.opentelemetry.io/otel/trace v1.37.0 h1:HLdcFNbRQBE2imdSEgm/kwqmQj1Or1l/7bW6mxVK7z4=
-go.opentelemetry.io/otel/trace v1.37.0/go.mod h1:TlgrlQ+PtQO5XFerSPUYG0JSgGyryXewPGyayAWSBS0=
-go.opentelemetry.io/proto/otlp v1.5.0 h1:xJvq7gMzB31/d406fB8U5CBdyQGw4P399D1aQWU/3i4=
-go.opentelemetry.io/proto/otlp v1.5.0/go.mod h1:keN8WnHxOy8PG0rQZjJJ5A2ebUoafqWp0eVQ4yIXvJ4=
-go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
-go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/contrib/bridges/otelslog v0.14.0 h1:eypSOd+0txRKCXPNyqLPsbSfA0jULgJcGmSAdFAnrCM=
+go.opentelemetry.io/contrib/bridges/otelslog v0.14.0/go.mod h1:CRGvIBL/aAxpQU34ZxyQVFlovVcp67s4cAmQu8Jh9mc=
+go.opentelemetry.io/contrib/bridges/prometheus v0.64.0 h1:7TYhBCu6Xz6vDJGNtEslWZLuuX2IJ/aH50hBY4MVeUg=
+go.opentelemetry.io/contrib/bridges/prometheus v0.64.0/go.mod h1:tHQctZfAe7e4PBPGyt3kae6mQFXNpj+iiDJa3ithM50=
+go.opentelemetry.io/contrib/exporters/autoexport v0.64.0 h1:9pzPj3RFyKOxBAMkM2w84LpT+rdHam1XoFA+QhARiRw=
+go.opentelemetry.io/contrib/exporters/autoexport v0.64.0/go.mod h1:hlVZx1btWH0XTfXpuGX9dsquB50s+tc3fYFOO5elo2M=
+go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.64.0 h1:7IKZbAYwlwLXAdu7SVPhzTjDjogWZxP4MIa7rovY+PU=
+go.opentelemetry.io/contrib/instrumentation/github.com/gin-gonic/gin/otelgin v0.64.0/go.mod h1:+TF5nf3NIv2X8PGxqfYOaRnAoMM43rUA2C3XsN2DoWA=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.64.0 h1:ssfIgGNANqpVFCndZvcuyKbl0g+UAVcbBcqGkG28H0Y=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.64.0/go.mod h1:GQ/474YrbE4Jx8gZ4q5I4hrhUzM6UPzyrqJYV2AqPoQ=
+go.opentelemetry.io/contrib/propagators/b3 v1.39.0 h1:PI7pt9pkSnimWcp5sQhUA9OzLbc3Ba4sL+VEUTNsxrk=
+go.opentelemetry.io/contrib/propagators/b3 v1.39.0/go.mod h1:5gV/EzPnfYIwjzj+6y8tbGW2PKWhcsz5e/7twptRVQY=
+go.opentelemetry.io/otel v1.39.0 h1:8yPrr/S0ND9QEfTfdP9V+SiwT4E0G7Y5MO7p85nis48=
+go.opentelemetry.io/otel v1.39.0/go.mod h1:kLlFTywNWrFyEdH0oj2xK0bFYZtHRYUdv1NklR/tgc8=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.15.0 h1:W+m0g+/6v3pa5PgVf2xoFMi5YtNR06WtS7ve5pcvLtM=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploggrpc v0.15.0/go.mod h1:JM31r0GGZ/GU94mX8hN4D8v6e40aFlUECSQ48HaLgHM=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.15.0 h1:EKpiGphOYq3CYnIe2eX9ftUkyU+Y8Dtte8OaWyHJ4+I=
+go.opentelemetry.io/otel/exporters/otlp/otlplog/otlploghttp v0.15.0/go.mod h1:nWFP7C+T8TygkTjJ7mAyEaFaE7wNfms3nV/vexZ6qt0=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0 h1:cEf8jF6WbuGQWUVcqgyWtTR0kOOAWY1DYZ+UhvdmQPw=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.39.0/go.mod h1:k1lzV5n5U3HkGvTCJHraTAGJ7MqsgL1wrGwTj1Isfiw=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.39.0 h1:nKP4Z2ejtHn3yShBb+2KawiXgpn8In5cT7aO2wXuOTE=
+go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp v1.39.0/go.mod h1:NwjeBbNigsO4Aj9WgM0C+cKIrxsZUaRmZUO7A8I7u8o=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0 h1:f0cb2XPmrqn4XMy9PNliTgRKJgS5WcL/u0/WRYGz4t0=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.39.0/go.mod h1:vnakAaFckOMiMtOIhFI2MNH4FYrZzXCYxmb1LlhoGz8=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0 h1:in9O8ESIOlwJAEGTkkf34DesGRAc/Pn8qJ7k3r/42LM=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.39.0/go.mod h1:Rp0EXBm5tfnv0WL+ARyO/PHBEaEAT8UUHQ6AGJcSq6c=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.39.0 h1:Ckwye2FpXkYgiHX7fyVrN1uA/UYd9ounqqTuSNAv0k4=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.39.0/go.mod h1:teIFJh5pW2y+AN7riv6IBPX2DuesS3HgP39mwOspKwU=
+go.opentelemetry.io/otel/exporters/prometheus v0.61.0 h1:cCyZS4dr67d30uDyh8etKM2QyDsQ4zC9ds3bdbrVoD0=
+go.opentelemetry.io/otel/exporters/prometheus v0.61.0/go.mod h1:iivMuj3xpR2DkUrUya3TPS/Z9h3dz7h01GxU+fQBRNg=
+go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.15.0 h1:0BSddrtQqLEylcErkeFrJBmwFzcqfQq9+/uxfTZq+HE=
+go.opentelemetry.io/otel/exporters/stdout/stdoutlog v0.15.0/go.mod h1:87sjYuAPzaRCtdd09GU5gM1U9wQLrrcYrm77mh5EBoc=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.39.0 h1:5gn2urDL/FBnK8OkCfD1j3/ER79rUuTYmCvlXBKeYL8=
+go.opentelemetry.io/otel/exporters/stdout/stdoutmetric v1.39.0/go.mod h1:0fBG6ZJxhqByfFZDwSwpZGzJU671HkwpWaNe2t4VUPI=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.39.0 h1:8UPA4IbVZxpsD76ihGOQiFml99GPAEZLohDXvqHdi6U=
+go.opentelemetry.io/otel/exporters/stdout/stdouttrace v1.39.0/go.mod h1:MZ1T/+51uIVKlRzGw1Fo46KEWThjlCBZKl2LzY5nv4g=
+go.opentelemetry.io/otel/log v0.15.0 h1:0VqVnc3MgyYd7QqNVIldC3dsLFKgazR6P3P3+ypkyDY=
+go.opentelemetry.io/otel/log v0.15.0/go.mod h1:9c/G1zbyZfgu1HmQD7Qj84QMmwTp2QCQsZH1aeoWDE4=
+go.opentelemetry.io/otel/metric v1.39.0 h1:d1UzonvEZriVfpNKEVmHXbdf909uGTOQjA0HF0Ls5Q0=
+go.opentelemetry.io/otel/metric v1.39.0/go.mod h1:jrZSWL33sD7bBxg1xjrqyDjnuzTUB0x1nBERXd7Ftcs=
+go.opentelemetry.io/otel/sdk v1.39.0 h1:nMLYcjVsvdui1B/4FRkwjzoRVsMK8uL/cj0OyhKzt18=
+go.opentelemetry.io/otel/sdk v1.39.0/go.mod h1:vDojkC4/jsTJsE+kh+LXYQlbL8CgrEcwmt1ENZszdJE=
+go.opentelemetry.io/otel/sdk/log v0.15.0 h1:WgMEHOUt5gjJE93yqfqJOkRflApNif84kxoHWS9VVHE=
+go.opentelemetry.io/otel/sdk/log v0.15.0/go.mod h1:qDC/FlKQCXfH5hokGsNg9aUBGMJQsrUyeOiW5u+dKBQ=
+go.opentelemetry.io/otel/sdk/log/logtest v0.14.0 h1:Ijbtz+JKXl8T2MngiwqBlPaHqc4YCaP/i13Qrow6gAM=
+go.opentelemetry.io/otel/sdk/log/logtest v0.14.0/go.mod h1:dCU8aEL6q+L9cYTqcVOk8rM9Tp8WdnHOPLiBgp0SGOA=
+go.opentelemetry.io/otel/sdk/metric v1.39.0 h1:cXMVVFVgsIf2YL6QkRF4Urbr/aMInf+2WKg+sEJTtB8=
+go.opentelemetry.io/otel/sdk/metric v1.39.0/go.mod h1:xq9HEVH7qeX69/JnwEfp6fVq5wosJsY1mt4lLfYdVew=
+go.opentelemetry.io/otel/trace v1.39.0 h1:2d2vfpEDmCJ5zVYz7ijaJdOF59xLomrvj7bjt6/qCJI=
+go.opentelemetry.io/otel/trace v1.39.0/go.mod h1:88w4/PnZSazkGzz/w84VHpQafiU4EtqqlVdxWy+rNOA=
+go.opentelemetry.io/proto/otlp v1.9.0 h1:l706jCMITVouPOqEnii2fIAuO3IVGBRPV5ICjceRb/A=
+go.opentelemetry.io/proto/otlp v1.9.0/go.mod h1:xE+Cx5E/eEHw+ISFkwPLwCZefwVjY+pqKg1qcK03+/4=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
-golang.org/x/arch v0.20.0 h1:dx1zTU0MAE98U+TQ8BLl7XsJbgze2WnNKF/8tGp/Q6c=
-golang.org/x/arch v0.20.0/go.mod h1:bdwinDaKcfZUGpH09BB7ZmOfhalA8lQdzl62l8gGWsk=
+go.uber.org/mock v0.6.0 h1:hyF9dfmbgIX5EfOdasqLsWD6xqpNZlXblLB/Dbnwv3Y=
+go.uber.org/mock v0.6.0/go.mod h1:KiVJ4BqZJaMj4svdfmHM0AUx4NJYO8ZNpPnZn1Z+BBU=
+go.yaml.in/yaml/v2 v2.4.3 h1:6gvOSjQoTB3vt1l+CU+tSyi/HOjfOjRLJ4YwYZGwRO0=
+go.yaml.in/yaml/v2 v2.4.3/go.mod h1:zSxWcmIDjOzPXpjlTTbAsKokqkDNAVtZO0WOMiT90s8=
+go.yaml.in/yaml/v3 v3.0.4/go.mod h1:DhzuOOF2ATzADvBadXxruRBLzYTpT36CKvDb3+aBEFg=
+golang.org/x/arch v0.23.0 h1:lKF64A2jF6Zd8L0knGltUnegD62JMFBiCPBmQpToHhg=
+golang.org/x/arch v0.23.0/go.mod h1:dNHoOeKiyja7GTvF9NJS1l3Z2yntpQNzgrjh1cU103A=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/crypto v0.6.0/go.mod h1:OFC/31mSvZgRz0V1QTNCzfAI1aIRzbiufJtkMIlEp58=
-golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
-golang.org/x/crypto v0.19.0/go.mod h1:Iy9bg/ha4yyC70EfRS8jz+B6ybOBKMaSxLj6P6oBDfU=
-golang.org/x/crypto v0.23.0/go.mod h1:CKFgDieR+mRhux2Lsu27y0fO304Db0wZe70UKqHu0v8=
-golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
-golang.org/x/crypto v0.41.0 h1:WKYxWedPGCTVVl5+WHSSrOBT0O8lx32+zxmHxijgXp4=
-golang.org/x/crypto v0.41.0/go.mod h1:pO5AFd7FA68rFak7rOAGVuygIISepHftHnr8dr6+sUc=
-golang.org/x/exp v0.0.0-20250813145105-42675adae3e6 h1:SbTAbRFnd5kjQXbczszQ0hdk3ctwYf3qBNH9jIsGclE=
-golang.org/x/exp v0.0.0-20250813145105-42675adae3e6/go.mod h1:4QTo5u+SEIbbKW1RacMZq1YEfOBqeXa19JeshGi+zc4=
+golang.org/x/crypto v0.46.0 h1:cKRW/pmt1pKAfetfu+RCEvjvZkA9RimPbh7bhFjGVBU=
+golang.org/x/crypto v0.46.0/go.mod h1:Evb/oLKmMraqjZ2iQTwDwvCtJkczlDuTmdJXoZVzqU0=
+golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93 h1:fQsdNF2N+/YewlRZiricy4P1iimyPKZ/xwniHj8Q2a0=
+golang.org/x/exp v0.0.0-20251219203646-944ab1f22d93/go.mod h1:EPRbTFwzwjXj9NpYyyrvenVh9Y+GFeEvMNh7Xuz7xgU=
 golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
-golang.org/x/image v0.30.0 h1:jD5RhkmVAnjqaCUXfbGBrn3lpxbknfN9w2UhHHU+5B4=
-golang.org/x/image v0.30.0/go.mod h1:SAEUTxCCMWSrJcCy/4HwavEsfZZJlYxeHLc6tTiAe/c=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/mod v0.15.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/mod v0.17.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
-golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
-golang.org/x/mod v0.27.0/go.mod h1:rWI627Fq0DEoudcK+MBkNkCe0EetEaDSwJJkCcjpazc=
+golang.org/x/image v0.34.0 h1:33gCkyw9hmwbZJeZkct8XyR11yH889EQt/QH4VmXMn8=
+golang.org/x/image v0.34.0/go.mod h1:2RNFBZRB+vnwwFil8GkMdRvrJOFd1AzdZI6vOY+eJVU=
+golang.org/x/mod v0.31.0 h1:HaW9xtz0+kOcWKwli0ZXy79Ix+UW/vOfmWI5QVd2tgI=
+golang.org/x/mod v0.31.0/go.mod h1:43JraMp9cGx1Rx3AqioxrbrhNsLl2l/iNAvuBkrezpg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
-golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
-golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
-golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM=
-golang.org/x/net v0.33.0/go.mod h1:HXLR5J+9DxmrqMwG9qjGCxZ+zKXxBru04zlTvWlWuN4=
-golang.org/x/net v0.43.0 h1:lat02VYK2j4aLzMzecihNvTlJNQUq316m2Mr9rnM6YE=
-golang.org/x/net v0.43.0/go.mod h1:vhO1fvI4dGsIjh73sWfUVjj3N7CA9WkKJNQm2svM6Jg=
+golang.org/x/net v0.48.0 h1:zyQRTTrjc33Lhh0fBgT/H3oZq9WuvRR5gPC70xpDiQU=
+golang.org/x/net v0.48.0/go.mod h1:+ndRgGjkh8FGtu1w1FGbEC31if4VrNVMuKTgcAAnQRY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.27.0 h1:da9Vo7/tDv5RH/7nZDz1eMGS/q1Vv1N/7FCrBhI9I3M=
-golang.org/x/oauth2 v0.27.0/go.mod h1:onh5ek6nERTohokkhCD/y2cV4Do3fxFHFuAejCkRWT8=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
-golang.org/x/sync v0.6.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.10.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sync v0.16.0 h1:ycBJEhp9p4vXvUZNszeOq0kGTPghopOL8q0fq3vstxw=
-golang.org/x/sync v0.16.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
+golang.org/x/oauth2 v0.34.0 h1:hqK/t4AKgbqWkdkcAeI8XLmbK+4m4G5YeQRrmiotGlw=
+golang.org/x/oauth2 v0.34.0/go.mod h1:lzm5WQJQwKZ3nwavOZ3IS5Aulzxi68dUSgRHujetwEA=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.17.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
-golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/telemetry v0.0.0-20240228155512-f48c80bd79b2/go.mod h1:TeRTkGYfJXctD9OcfyVLyj2J3IxLnKwHJR8f4D8a3YE=
+golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
+golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
-golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
-golang.org/x/term v0.17.0/go.mod h1:lLRBjIVuehSbZlaOtGMbcMncT+aqLLLmKrsjNrUguwk=
-golang.org/x/term v0.20.0/go.mod h1:8UkIAJTvZgivsXaD6/pH6U9ecQzZ45awqEOzuCvwpFY=
-golang.org/x/term v0.27.0/go.mod h1:iMsnZpn0cago0GOrHO2+Y7u7JPn5AylBrcoWkElMTSM=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
-golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
-golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
-golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
+golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=
+golang.org/x/text v0.32.0/go.mod h1:o/rUWzghvpD5TXrTIBuJU77MTaN0ljMWE47kxGJQ7jY=
+golang.org/x/time v0.14.0 h1:MRx4UaLrDotUKUdCIqzPC48t1Y9hANFKIRpNx+Te8PI=
+golang.org/x/time v0.14.0/go.mod h1:eL/Oa2bBBK0TkX57Fyni+NgnyQQN4LitPmob2Hjnqw4=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
-golang.org/x/tools v0.21.1-0.20240508182429-e35e4ccd0d2d/go.mod h1:aiJjzUbINMkxbQROHiO6hDPo2LHcIPhhQsa9DLh0yGk=
-golang.org/x/tools v0.36.0 h1:kWS0uv/zsvHEle1LbV5LE8QujrxB3wfQyxHfhOk0Qkg=
-golang.org/x/tools v0.36.0/go.mod h1:WBDiHKJK8YgLHlcQPYQzNCkUxUypCaa5ZegCVutKm+s=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
+golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gonum.org/v1/gonum v0.16.0 h1:5+ul4Swaf3ESvrOnidPp4GZbzf0mxVQpDCYUQE7OJfk=
+gonum.org/v1/gonum v0.16.0/go.mod h1:fef3am4MQ93R2HHpKnLk4/Tbh/s0+wqD5nfa6Pnwy4E=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a h1:nwKuGPlUAt+aR+pcrkfFRrTU1BVrSmYyYMxYbUIVHr0=
-google.golang.org/genproto/googleapis/api v0.0.0-20250218202821-56aae31c358a/go.mod h1:3kWAYMk1I75K4vykHtKt2ycnOgpA6974V7bREqbsenU=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a h1:51aaUVRocpvUOSQKM6Q7VuoaktNIaMCLuhZB6DKksq4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250218202821-56aae31c358a/go.mod h1:uRxBH1mhmO8PGhU89cMcHaXKZqO+OfakD8QQO0oYwlQ=
-google.golang.org/grpc v1.71.0 h1:kF77BGdPTQ4/JZWMlb9VpJ5pa25aqvVqogsxNHHdeBg=
-google.golang.org/grpc v1.71.0/go.mod h1:H0GRtasmQOh9LkFoCPDu3ZrwUtD1YGE+b2vYBYd/8Ec=
-google.golang.org/protobuf v1.36.7 h1:IgrO7UwFQGJdRNXH/sQux4R1Dj1WAKcLElzeeRaXV2A=
-google.golang.org/protobuf v1.36.7/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+google.golang.org/genproto/googleapis/api v0.0.0-20251222181119-0a764e51fe1b h1:uA40e2M6fYRBf0+8uN5mLlqUtV192iiksiICIBkYJ1E=
+google.golang.org/genproto/googleapis/api v0.0.0-20251222181119-0a764e51fe1b/go.mod h1:Xa7le7qx2vmqB/SzWUBa7KdMjpdpAHlh5QCSnjessQk=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b h1:Mv8VFug0MP9e5vUxfBcE3vUkV6CImK3cMNMIDFjmzxU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20251222181119-0a764e51fe1b/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/grpc v1.78.0 h1:K1XZG/yGDJnzMdd/uZHAkVqJE+xIDOcmdSFZkBUicNc=
+google.golang.org/grpc v1.78.0/go.mod h1:I47qjTo4OKbMkjA/aOOwxDIiPSBofUtQUI5EfpWvW7U=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/postgres v1.6.0 h1:2dxzU8xJ+ivvqTRph34QX+WrRaJlmfyPqXmoGVjMBa4=
 gorm.io/driver/postgres v1.6.0/go.mod h1:vUw0mrGgrTK+uPHEhAdV4sfFELrByKVGnaVRkXDhtWo=
-gorm.io/gorm v1.30.1 h1:lSHg33jJTBxs2mgJRfRZeLDG+WZaHYCk3Wtfl6Ngzo4=
-gorm.io/gorm v1.30.1/go.mod h1:8Z33v652h4//uMA76KjeDH8mJXPm1QNCYrMeatR0DOE=
-modernc.org/cc/v4 v4.26.3 h1:yEN8dzrkRFnn4PUUKXLYIqVf2PJYAEjMTFjO3BDGc3I=
-modernc.org/cc/v4 v4.26.3/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
-modernc.org/ccgo/v4 v4.28.0 h1:rjznn6WWehKq7dG4JtLRKxb52Ecv8OUGah8+Z/SfpNU=
-modernc.org/ccgo/v4 v4.28.0/go.mod h1:JygV3+9AV6SmPhDasu4JgquwU81XAKLd3OKTUDNOiKE=
-modernc.org/fileutil v1.3.15 h1:rJAXTP6ilMW/1+kzDiqmBlHLWszheUFXIyGQIAvjJpY=
-modernc.org/fileutil v1.3.15/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
+gorm.io/gorm v1.31.1 h1:7CA8FTFz/gRfgqgpeKIBcervUn3xSyPUmr6B2WXJ7kg=
+gorm.io/gorm v1.31.1/go.mod h1:XyQVbO2k6YkOis7C2437jSit3SsDK72s7n7rsSHd+Gs=
+modernc.org/cc/v4 v4.27.1 h1:9W30zRlYrefrDV2JE2O8VDtJ1yPGownxciz5rrbQZis=
+modernc.org/cc/v4 v4.27.1/go.mod h1:uVtb5OGqUKpoLWhqwNQo/8LwvoiEBLvZXIQ/SmO6mL0=
+modernc.org/ccgo/v4 v4.30.1 h1:4r4U1J6Fhj98NKfSjnPUN7Ze2c6MnAdL0hWw6+LrJpc=
+modernc.org/ccgo/v4 v4.30.1/go.mod h1:bIOeI1JL54Utlxn+LwrFyjCx2n2RDiYEaJVSrgdrRfM=
+modernc.org/fileutil v1.3.40 h1:ZGMswMNc9JOCrcrakF1HrvmergNLAmxOPjizirpfqBA=
+modernc.org/fileutil v1.3.40/go.mod h1:HxmghZSZVAz/LXcMNwZPA/DRrQZEVP9VX0V4LQGQFOc=
 modernc.org/gc/v2 v2.6.5 h1:nyqdV8q46KvTpZlsw66kWqwXRHdjIlJOhG6kxiV/9xI=
 modernc.org/gc/v2 v2.6.5/go.mod h1:YgIahr1ypgfe7chRuJi2gD7DBQiKSLMPgBQe9oIiito=
+modernc.org/gc/v3 v3.1.1 h1:k8T3gkXWY9sEiytKhcgyiZ2L0DTyCQ/nvX+LoCljoRE=
+modernc.org/gc/v3 v3.1.1/go.mod h1:HFK/6AGESC7Ex+EZJhJ2Gni6cTaYpSMmU/cT9RmlfYY=
 modernc.org/goabi0 v0.2.0 h1:HvEowk7LxcPd0eq6mVOAEMai46V+i7Jrj13t4AzuNks=
 modernc.org/goabi0 v0.2.0/go.mod h1:CEFRnnJhKvWT1c1JTI3Avm+tgOWbkOu5oPA8eH8LnMI=
-modernc.org/libc v1.66.7 h1:rjhZ8OSCybKWxS1CJr0hikpEi6Vg+944Ouyrd+bQsoY=
-modernc.org/libc v1.66.7/go.mod h1:ln6tbWX0NH+mzApEoDRvilBvAWFt1HX7AUA4VDdVDPM=
+modernc.org/libc v1.67.4 h1:zZGmCMUVPORtKv95c2ReQN5VDjvkoRm9GWPTEPuvlWg=
+modernc.org/libc v1.67.4/go.mod h1:QvvnnJ5P7aitu0ReNpVIEyesuhmDLQ8kaEoyMjIFZJA=
 modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
 modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
 modernc.org/memory v1.11.0 h1:o4QC8aMQzmcwCK3t3Ux/ZHmwFPzE6hf2Y5LbkRs+hbI=
@@ -461,8 +464,8 @@ modernc.org/opt v0.1.4 h1:2kNGMRiUjrp4LcaPuLY2PzUfqM/w9N23quVwhKt5Qm8=
 modernc.org/opt v0.1.4/go.mod h1:03fq9lsNfvkYSfxrfUhZCWPk1lm4cq4N+Bh//bEtgns=
 modernc.org/sortutil v1.2.1 h1:+xyoGf15mM3NMlPDnFqrteY07klSFxLElE2PVuWIJ7w=
 modernc.org/sortutil v1.2.1/go.mod h1:7ZI3a3REbai7gzCLcotuw9AC4VZVpYMjDzETGsSMqJE=
-modernc.org/sqlite v1.38.2 h1:Aclu7+tgjgcQVShZqim41Bbw9Cho0y/7WzYptXqkEek=
-modernc.org/sqlite v1.38.2/go.mod h1:cPTJYSlgg3Sfg046yBShXENNtPrWrDX8bsbAQBzgQ5E=
+modernc.org/sqlite v1.42.2 h1:7hkZUNJvJFN2PgfUdjni9Kbvd4ef4mNLOu0B9FGxM74=
+modernc.org/sqlite v1.42.2/go.mod h1:+VkC6v3pLOAE0A0uVucQEcbVW0I5nHCeDaBf+DpsQT8=
 modernc.org/strutil v1.2.1 h1:UneZBkQA+DX2Rp35KcM69cSsNES9ly8mQWD71HKlOA0=
 modernc.org/strutil v1.2.1/go.mod h1:EHkiggD70koQxjVdSBM3JKM7k6L0FbGE5eymy9i3B9A=
 modernc.org/token v1.1.0 h1:Xl7Ap9dKaEs5kLoOQeQmPWevfnk/DM5qcLcYlA8ys6Y=
--- a/backend/internal/bootstrap/app_images_bootstrap.go
+++ b/backend/internal/bootstrap/app_images_bootstrap.go
@@ -2,68 +2,77 @@ package bootstrap

 import (
 	"bytes"
+	"context"
+	"crypto/sha256"
 	"encoding/hex"
+	"errors"
 	"fmt"
+	"io"
+	"io/fs"
 	"log/slog"
 	"os"
 	"path"

-	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	"github.com/pocket-id/pocket-id/backend/resources"
 )

-// initApplicationImages copies the images from the images directory to the application-images directory
+// initApplicationImages copies the images from the embedded directory to the storage backend
 // and returns a map containing the detected file extensions in the application-images directory.
-func initApplicationImages() (map[string]string, error) {
+func initApplicationImages(ctx context.Context, fileStorage storage.FileStorage) (map[string]string, error) {
 	// Previous versions of images
 	// If these are found, they are deleted
 	legacyImageHashes := imageHashMap{
-		"background.jpg": mustDecodeHex("138d510030ed845d1d74de34658acabff562d306476454369a60ab8ade31933f"),
+		"background.jpg":  mustDecodeHex("138d510030ed845d1d74de34658acabff562d306476454369a60ab8ade31933f"),
+		"background.webp": mustDecodeHex("3fc436a66d6b872b01d96a4e75046c46b5c3e2daccd51e98ecdf98fd445599ab"),
 	}

-	dirPath := common.EnvConfig.UploadPath + "/application-images"
-
 	sourceFiles, err := resources.FS.ReadDir("images")
 	if err != nil && !os.IsNotExist(err) {
 		return nil, fmt.Errorf("failed to read directory: %w", err)
 	}

-	destinationFiles, err := os.ReadDir(dirPath)
-	if err != nil && !os.IsNotExist(err) {
-		return nil, fmt.Errorf("failed to read directory: %w", err)
+	destinationFiles, err := fileStorage.List(ctx, "application-images")
+	if err != nil {
+		if storage.IsNotExist(err) {
+			destinationFiles = []storage.ObjectInfo{}
+		} else {
+			return nil, fmt.Errorf("failed to list application images: %w", err)
+		}
+
 	}
 	dstNameToExt := make(map[string]string, len(destinationFiles))
 	for _, f := range destinationFiles {
-		if f.IsDir() {
-			continue
-		}
-		name := f.Name()
-		nameWithoutExt, ext := utils.SplitFileName(name)
-		destFilePath := path.Join(dirPath, name)
-
 		// Skip directories
-		if f.IsDir() {
+		_, name := path.Split(f.Path)
+		if name == "" {
 			continue
 		}
-
-		h, err := utils.CreateSha256FileHash(destFilePath)
+		nameWithoutExt, ext := utils.SplitFileName(name)
+		reader, _, err := fileStorage.Open(ctx, f.Path)
 		if err != nil {
-			slog.Warn("Failed to get hash for file", slog.String("name", name), slog.Any("error", err))
+			if errors.Is(err, fs.ErrNotExist) {
+				continue
+			}
+			slog.Warn("Failed to open application image for hashing", slog.String("name", name), slog.Any("error", err))
+			continue
+		}
+		hash, err := hashStream(reader)
+		reader.Close()
+		if err != nil {
+			slog.Warn("Failed to hash application image", slog.String("name", name), slog.Any("error", err))
 			continue
 		}

 		// Check if the file is a legacy one - if so, delete it
-		if legacyImageHashes.Contains(h) {
+		if legacyImageHashes.Contains(hash) {
 			slog.Info("Found legacy application image that will be removed", slog.String("name", name))
-			err = os.Remove(destFilePath)
-			if err != nil {
+			if err := fileStorage.Delete(ctx, f.Path); err != nil {
 				return nil, fmt.Errorf("failed to remove legacy file '%s': %w", name, err)
 			}
 			continue
 		}
-
-		// Track existing files
 		dstNameToExt[nameWithoutExt] = ext
 	}

@@ -76,21 +85,21 @@ func initApplicationImages() (map[string]string, error) {
 		name := sourceFile.Name()
 		nameWithoutExt, ext := utils.SplitFileName(name)
 		srcFilePath := path.Join("images", name)
-		destFilePath := path.Join(dirPath, name)

-		// Skip if there's already an image at the path
-		// We do not check the extension because users could have uploaded a different one
 		if _, exists := dstNameToExt[nameWithoutExt]; exists {
 			continue
 		}

 		slog.Info("Writing new application image", slog.String("name", name))
-		err := utils.CopyEmbeddedFileToDisk(srcFilePath, destFilePath)
+		srcFile, err := resources.FS.Open(srcFilePath)
 		if err != nil {
-			return nil, fmt.Errorf("failed to copy file: %w", err)
+			return nil, fmt.Errorf("failed to open embedded file '%s': %w", name, err)
 		}
-
-		// Track the newly copied file so it can be included in the extensions map later
+		if err := fileStorage.Save(ctx, path.Join("application-images", name), srcFile); err != nil {
+			srcFile.Close()
+			return nil, fmt.Errorf("failed to store application image '%s': %w", name, err)
+		}
+		srcFile.Close()
 		dstNameToExt[nameWithoutExt] = ext
 	}

@@ -118,3 +127,11 @@ func mustDecodeHex(str string) []byte {
 	}
 	return b
 }
+
+func hashStream(r io.Reader) ([]byte, error) {
+	h := sha256.New()
+	if _, err := io.Copy(h, r); err != nil {
+		return nil, err
+	}
+	return h.Sum(nil), nil
+}
--- a/backend/internal/bootstrap/bootstrap.go
+++ b/backend/internal/bootstrap/bootstrap.go
@@ -7,13 +7,25 @@ import (
 	"time"

 	_ "github.com/golang-migrate/migrate/v4/source/file"
+	"gorm.io/gorm"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/job"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

 func Bootstrap(ctx context.Context) error {
+	var shutdownFns []utils.Service
+	defer func() { //nolint:contextcheck
+		// Invoke all shutdown functions on exit
+		shutdownCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+		defer cancel()
+		if err := utils.NewServiceRunner(shutdownFns...).Run(shutdownCtx); err != nil {
+			slog.Error("Error during graceful shutdown", "error", err)
+		}
+	}()
+
 	// Initialize the observability stack, including the logger, distributed tracing, and metrics
 	shutdownFns, httpClient, err := initObservability(ctx, common.EnvConfig.MetricsEnabled, common.EnvConfig.TracingEnabled)
 	if err != nil {
@@ -21,23 +33,47 @@ func Bootstrap(ctx context.Context) error {
 	}
 	slog.InfoContext(ctx, "Pocket ID is starting")

-	imageExtensions, err := initApplicationImages()
-	if err != nil {
-		return fmt.Errorf("failed to initialize application images: %w", err)
-	}
-
-	// Connect to the database
 	db, err := NewDatabase()
 	if err != nil {
 		return fmt.Errorf("failed to initialize database: %w", err)
 	}

+	fileStorage, err := InitStorage(ctx, db)
+	if err != nil {
+		return fmt.Errorf("failed to initialize file storage (backend: %s): %w", common.EnvConfig.FileBackend, err)
+	}
+
+	imageExtensions, err := initApplicationImages(ctx, fileStorage)
+	if err != nil {
+		return fmt.Errorf("failed to initialize application images: %w", err)
+	}
+
 	// Create all services
-	svc, err := initServices(ctx, db, httpClient, imageExtensions)
+	svc, err := initServices(ctx, db, httpClient, imageExtensions, fileStorage)
 	if err != nil {
 		return fmt.Errorf("failed to initialize services: %w", err)
 	}

+	waitUntil, err := svc.appLockService.Acquire(ctx, false)
+	if err != nil {
+		return fmt.Errorf("failed to acquire application lock: %w", err)
+	}
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-time.After(time.Until(waitUntil)):
+	}
+
+	shutdownFn := func(shutdownCtx context.Context) error {
+		sErr := svc.appLockService.Release(shutdownCtx)
+		if sErr != nil {
+			return fmt.Errorf("failed to release application lock: %w", sErr)
+		}
+		return nil
+	}
+	shutdownFns = append(shutdownFns, shutdownFn)
+
 	// Init the job scheduler
 	scheduler, err := job.NewScheduler()
 	if err != nil {
@@ -49,28 +85,51 @@ func Bootstrap(ctx context.Context) error {
 	}

 	// Init the router
-	router := initRouter(db, svc)
+	router, err := initRouter(db, svc)
+	if err != nil {
+		return fmt.Errorf("failed to initialize router: %w", err)
+	}

 	// Run all background services
 	// This call blocks until the context is canceled
-	err = utils.
-		NewServiceRunner(router, scheduler.Run).
-		Run(ctx)
+	services := []utils.Service{svc.appLockService.RunRenewal, router}
+
+	if common.EnvConfig.AppEnv != "test" {
+		services = append(services, scheduler.Run)
+	}
+
+	err = utils.NewServiceRunner(services...).Run(ctx)
 	if err != nil {
 		return fmt.Errorf("failed to run services: %w", err)
 	}

-	// Invoke all shutdown functions
-	// We give these a timeout of 5s
-	// Note: we use a background context because the run context has been canceled already
-	shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 5*time.Second)
-	defer shutdownCancel()
-	err = utils.
-		NewServiceRunner(shutdownFns...).
-		Run(shutdownCtx) //nolint:contextcheck
-	if err != nil {
-		slog.Error("Error shutting down services", slog.Any("error", err))
-	}
-
 	return nil
 }
+
+func InitStorage(ctx context.Context, db *gorm.DB) (fileStorage storage.FileStorage, err error) {
+	switch common.EnvConfig.FileBackend {
+	case storage.TypeFileSystem:
+		fileStorage, err = storage.NewFilesystemStorage(common.EnvConfig.UploadPath)
+	case storage.TypeDatabase:
+		fileStorage, err = storage.NewDatabaseStorage(db)
+	case storage.TypeS3:
+		s3Cfg := storage.S3Config{
+			Bucket:                        common.EnvConfig.S3Bucket,
+			Region:                        common.EnvConfig.S3Region,
+			Endpoint:                      common.EnvConfig.S3Endpoint,
+			AccessKeyID:                   common.EnvConfig.S3AccessKeyID,
+			SecretAccessKey:               common.EnvConfig.S3SecretAccessKey,
+			ForcePathStyle:                common.EnvConfig.S3ForcePathStyle,
+			DisableDefaultIntegrityChecks: common.EnvConfig.S3DisableDefaultIntegrityChecks,
+			Root:                          common.EnvConfig.UploadPath,
+		}
+		fileStorage, err = storage.NewS3Storage(ctx, s3Cfg)
+	default:
+		err = fmt.Errorf("unknown file storage backend: %s", common.EnvConfig.FileBackend)
+	}
+	if err != nil {
+		return fileStorage, err
+	}
+
+	return fileStorage, nil
+}
--- a/backend/internal/bootstrap/db_bootstrap.go
+++ b/backend/internal/bootstrap/db_bootstrap.go
@@ -1,6 +1,7 @@
 package bootstrap

 import (
+	"database/sql"
 	"errors"
 	"fmt"
 	"log/slog"
@@ -11,12 +12,7 @@ import (
 	"time"

 	"github.com/glebarez/sqlite"
-	"github.com/golang-migrate/migrate/v4"
-	"github.com/golang-migrate/migrate/v4/database"
-	postgresMigrate "github.com/golang-migrate/migrate/v4/database/postgres"
-	sqliteMigrate "github.com/golang-migrate/migrate/v4/database/sqlite3"
 	_ "github.com/golang-migrate/migrate/v4/source/github"
-	"github.com/golang-migrate/migrate/v4/source/iofs"
 	slogGorm "github.com/orandin/slog-gorm"
 	"gorm.io/driver/postgres"
 	"gorm.io/gorm"
@@ -25,11 +21,10 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	sqliteutil "github.com/pocket-id/pocket-id/backend/internal/utils/sqlite"
-	"github.com/pocket-id/pocket-id/backend/resources"
 )

 func NewDatabase() (db *gorm.DB, err error) {
-	db, err = connectDatabase()
+	db, err = ConnectDatabase()
 	if err != nil {
 		return nil, fmt.Errorf("failed to connect to database: %w", err)
 	}
@@ -38,108 +33,19 @@ func NewDatabase() (db *gorm.DB, err error) {
 		return nil, fmt.Errorf("failed to get sql.DB: %w", err)
 	}

-	// Choose the correct driver for the database provider
-	var driver database.Driver
-	switch common.EnvConfig.DbProvider {
-	case common.DbProviderSqlite:
-		driver, err = sqliteMigrate.WithInstance(sqlDb, &sqliteMigrate.Config{
-			NoTxWrap: true,
-		})
-	case common.DbProviderPostgres:
-		driver, err = postgresMigrate.WithInstance(sqlDb, &postgresMigrate.Config{})
-	default:
-		// Should never happen at this point
-		return nil, fmt.Errorf("unsupported database provider: %s", common.EnvConfig.DbProvider)
-	}
-	if err != nil {
-		return nil, fmt.Errorf("failed to create migration driver: %w", err)
-	}
-
 	// Run migrations
-	if err := migrateDatabase(driver); err != nil {
+	if err := utils.MigrateDatabase(sqlDb); err != nil {
 		return nil, fmt.Errorf("failed to run migrations: %w", err)
 	}

 	return db, nil
 }

-func migrateDatabase(driver database.Driver) error {
-	// Embedded migrations via iofs
-	path := "migrations/" + string(common.EnvConfig.DbProvider)
-	source, err := iofs.New(resources.FS, path)
-	if err != nil {
-		return fmt.Errorf("failed to create embedded migration source: %w", err)
-	}
-
-	m, err := migrate.NewWithInstance("iofs", source, "pocket-id", driver)
-	if err != nil {
-		return fmt.Errorf("failed to create migration instance: %w", err)
-	}
-
-	requiredVersion, err := getRequiredMigrationVersion(path)
-	if err != nil {
-		return fmt.Errorf("failed to get last migration version: %w", err)
-	}
-
-	currentVersion, _, _ := m.Version()
-	if currentVersion > requiredVersion {
-		slog.Warn("Database version is newer than the application supports, possible downgrade detected", slog.Uint64("db_version", uint64(currentVersion)), slog.Uint64("app_version", uint64(requiredVersion)))
-		if !common.EnvConfig.AllowDowngrade {
-			return fmt.Errorf("database version (%d) is newer than application version (%d), downgrades are not allowed (set ALLOW_DOWNGRADE=true to enable)", currentVersion, requiredVersion)
-		}
-		slog.Info("Fetching migrations from GitHub to handle possible downgrades")
-		return migrateDatabaseFromGitHub(driver, requiredVersion)
-	}
-
-	if err := m.Migrate(requiredVersion); err != nil && !errors.Is(err, migrate.ErrNoChange) {
-		return fmt.Errorf("failed to apply embedded migrations: %w", err)
-	}
-	return nil
-}
-
-func migrateDatabaseFromGitHub(driver database.Driver, version uint) error {
-	srcURL := "github://pocket-id/pocket-id/backend/resources/migrations/" + string(common.EnvConfig.DbProvider)
-
-	m, err := migrate.NewWithDatabaseInstance(srcURL, "pocket-id", driver)
-	if err != nil {
-		return fmt.Errorf("failed to create GitHub migration instance: %w", err)
-	}
-
-	if err := m.Migrate(version); err != nil && !errors.Is(err, migrate.ErrNoChange) {
-		return fmt.Errorf("failed to apply GitHub migrations: %w", err)
-	}
-	return nil
-}
-
-// getRequiredMigrationVersion reads the embedded migration files and returns the highest version number found.
-func getRequiredMigrationVersion(path string) (uint, error) {
-	entries, err := resources.FS.ReadDir(path)
-	if err != nil {
-		return 0, fmt.Errorf("failed to read migration directory: %w", err)
-	}
-
-	var maxVersion uint
-	for _, entry := range entries {
-		if entry.IsDir() {
-			continue
-		}
-		name := entry.Name()
-		var version uint
-		n, err := fmt.Sscanf(name, "%d_", &version)
-		if err == nil && n == 1 {
-			if version > maxVersion {
-				maxVersion = version
-			}
-		}
-	}
-
-	return maxVersion, nil
-}
-
-func connectDatabase() (db *gorm.DB, err error) {
+func ConnectDatabase() (db *gorm.DB, err error) {
 	var dialector gorm.Dialector

 	// Choose the correct database provider
+	var onConnFn func(conn *sql.DB)
 	switch common.EnvConfig.DbProvider {
 	case common.DbProviderSqlite:
 		if common.EnvConfig.DbConnectionString == "" {
@@ -148,17 +54,31 @@ func connectDatabase() (db *gorm.DB, err error) {

 		sqliteutil.RegisterSqliteFunctions()

-		connString, dbPath, err := parseSqliteConnectionString(common.EnvConfig.DbConnectionString)
+		connString, dbPath, isMemoryDB, err := parseSqliteConnectionString(common.EnvConfig.DbConnectionString)
 		if err != nil {
 			return nil, err
 		}

+		if !isMemoryDB {
+			if err := ensureSqliteDatabaseDir(dbPath); err != nil {
+				return nil, err
+			}
+		}
+
 		// Before we connect, also make sure that there's a temporary folder for SQLite to write its data
 		err = ensureSqliteTempDir(filepath.Dir(dbPath))
 		if err != nil {
 			return nil, err
 		}

+		if isMemoryDB {
+			// For in-memory SQLite databases, we must limit to 1 open connection at the same time, or they won't see the whole data
+			// The other workaround, of using shared caches, doesn't work well with multiple write transactions trying to happen at once
+			onConnFn = func(conn *sql.DB) {
+				conn.SetMaxOpenConns(1)
+			}
+		}
+
 		dialector = sqlite.Open(connString)
 	case common.DbProviderPostgres:
 		if common.EnvConfig.DbConnectionString == "" {
@@ -176,6 +96,16 @@ func connectDatabase() (db *gorm.DB, err error) {
 		})
 		if err == nil {
 			slog.Info("Connected to database", slog.String("provider", string(common.EnvConfig.DbProvider)))
+
+			if onConnFn != nil {
+				conn, err := db.DB()
+				if err != nil {
+					slog.Warn("Failed to get database connection, will retry in 3s", slog.Int("attempt", i), slog.String("provider", string(common.EnvConfig.DbProvider)), slog.Any("error", err))
+					time.Sleep(3 * time.Second)
+				}
+				onConnFn(conn)
+			}
+
 			return db, nil
 		}

@@ -188,18 +118,18 @@ func connectDatabase() (db *gorm.DB, err error) {
 	return nil, err
 }

-func parseSqliteConnectionString(connString string) (parsedConnString string, dbPath string, err error) {
+func parseSqliteConnectionString(connString string) (parsedConnString string, dbPath string, isMemoryDB bool, err error) {
 	if !strings.HasPrefix(connString, "file:") {
 		connString = "file:" + connString
 	}

 	// Check if we're using an in-memory database
-	isMemoryDB := isSqliteInMemory(connString)
+	isMemoryDB = isSqliteInMemory(connString)

 	// Parse the connection string
 	connStringUrl, err := url.Parse(connString)
 	if err != nil {
-		return "", "", fmt.Errorf("failed to parse SQLite connection string: %w", err)
+		return "", "", false, fmt.Errorf("failed to parse SQLite connection string: %w", err)
 	}

 	// Convert options for the old SQLite driver to the new one
@@ -208,7 +138,7 @@ func parseSqliteConnectionString(connString string) (parsedConnString string, db
 	// Add the default and required params
 	err = addSqliteDefaultParameters(connStringUrl, isMemoryDB)
 	if err != nil {
-		return "", "", fmt.Errorf("invalid SQLite connection string: %w", err)
+		return "", "", false, fmt.Errorf("invalid SQLite connection string: %w", err)
 	}

 	// Get the absolute path to the database
@@ -217,10 +147,10 @@ func parseSqliteConnectionString(connString string) (parsedConnString string, db
 	idx := strings.IndexRune(parsedConnString, '?')
 	dbPath, err = filepath.Abs(parsedConnString[len("file:"):idx])
 	if err != nil {
-		return "", "", fmt.Errorf("failed to determine absolute path to the database: %w", err)
+		return "", "", false, fmt.Errorf("failed to determine absolute path to the database: %w", err)
 	}

-	return parsedConnString, dbPath, nil
+	return parsedConnString, dbPath, isMemoryDB, nil
 }

 // The official C implementation of SQLite allows some additional properties in the connection string
@@ -272,11 +202,6 @@ func addSqliteDefaultParameters(connStringUrl *url.URL, isMemoryDB bool) error {
 		qs = make(url.Values, 2)
 	}

-	// If the database is in-memory, we must ensure that cache=shared is set
-	if isMemoryDB {
-		qs["cache"] = []string{"shared"}
-	}
-
 	// Check if the database is read-only or immutable
 	isReadOnly := false
 	if len(qs["mode"]) > 0 {
@@ -373,6 +298,27 @@ func isSqliteInMemory(connString string) bool {
 	return len(qs["mode"]) > 0 && qs["mode"][0] == "memory"
 }

+// ensureSqliteDatabaseDir creates the parent directory for the SQLite database file if it doesn't exist yet
+func ensureSqliteDatabaseDir(dbPath string) error {
+	dir := filepath.Dir(dbPath)
+
+	info, err := os.Stat(dir)
+	switch {
+	case err == nil:
+		if !info.IsDir() {
+			return fmt.Errorf("SQLite database directory '%s' is not a directory", dir)
+		}
+		return nil
+	case os.IsNotExist(err):
+		if err := os.MkdirAll(dir, 0700); err != nil {
+			return fmt.Errorf("failed to create SQLite database directory '%s': %w", dir, err)
+		}
+		return nil
+	default:
+		return fmt.Errorf("failed to check SQLite database directory '%s': %w", dir, err)
+	}
+}
+
 // ensureSqliteTempDir ensures that SQLite has a directory where it can write temporary files if needed
 // The default directory may not be writable when using a container with a read-only root file system
 // See: https://www.sqlite.org/tempfiles.html
--- a/backend/internal/bootstrap/db_bootstrap_test.go
+++ b/backend/internal/bootstrap/db_bootstrap_test.go
@@ -2,6 +2,8 @@ package bootstrap

 import (
 	"net/url"
+	"os"
+	"path/filepath"
 	"testing"

 	"github.com/stretchr/testify/assert"
@@ -84,6 +86,29 @@ func TestIsSqliteInMemory(t *testing.T) {
 	}
 }

+func TestEnsureSqliteDatabaseDir(t *testing.T) {
+	t.Run("creates missing directory", func(t *testing.T) {
+		tempDir := t.TempDir()
+		dbPath := filepath.Join(tempDir, "nested", "pocket-id.db")
+
+		err := ensureSqliteDatabaseDir(dbPath)
+		require.NoError(t, err)
+
+		info, err := os.Stat(filepath.Dir(dbPath))
+		require.NoError(t, err)
+		assert.True(t, info.IsDir())
+	})
+
+	t.Run("fails when parent is file", func(t *testing.T) {
+		tempDir := t.TempDir()
+		filePath := filepath.Join(tempDir, "file.txt")
+		require.NoError(t, os.WriteFile(filePath, []byte("test"), 0o600))
+
+		err := ensureSqliteDatabaseDir(filepath.Join(filePath, "data.db"))
+		require.Error(t, err)
+	})
+}
+
 func TestConvertSqlitePragmaArgs(t *testing.T) {
 	tests := []struct {
 		name     string
@@ -205,7 +230,7 @@ func TestAddSqliteDefaultParameters(t *testing.T) {
 			name:       "in-memory database",
 			input:      "file::memory:",
 			isMemoryDB: true,
-			expected:   "file::memory:?_pragma=busy_timeout%282500%29&_pragma=foreign_keys%281%29&_pragma=journal_mode%28MEMORY%29&_txlock=immediate&cache=shared",
+			expected:   "file::memory:?_pragma=busy_timeout%282500%29&_pragma=foreign_keys%281%29&_pragma=journal_mode%28MEMORY%29&_txlock=immediate",
 		},
 		{
 			name:       "read-only database with mode=ro",
@@ -249,12 +274,6 @@ func TestAddSqliteDefaultParameters(t *testing.T) {
 			isMemoryDB: false,
 			expected:   "file:test.db?_pragma=busy_timeout%283000%29&_pragma=foreign_keys%281%29&_pragma=journal_mode%28TRUNCATE%29&_pragma=synchronous%28NORMAL%29&_txlock=immediate",
 		},
-		{
-			name:       "in-memory database with cache already set",
-			input:      "file::memory:?cache=private",
-			isMemoryDB: true,
-			expected:   "file::memory:?_pragma=busy_timeout%282500%29&_pragma=foreign_keys%281%29&_pragma=journal_mode%28MEMORY%29&_txlock=immediate&cache=shared",
-		},
 		{
 			name:       "database with mode=rw (not read-only)",
 			input:      "file:test.db?mode=rw",
--- a/backend/internal/bootstrap/e2etest_router_bootstrap.go
+++ b/backend/internal/bootstrap/e2etest_router_bootstrap.go
@@ -17,7 +17,7 @@ import (
 func init() {
 	registerTestControllers = []func(apiGroup *gin.RouterGroup, db *gorm.DB, svc *services){
 		func(apiGroup *gin.RouterGroup, db *gorm.DB, svc *services) {
-			testService, err := service.NewTestService(db, svc.appConfigService, svc.jwtService, svc.ldapService)
+			testService, err := service.NewTestService(db, svc.appConfigService, svc.jwtService, svc.ldapService, svc.appLockService, svc.fileStorage)
 			if err != nil {
 				slog.Error("Failed to initialize test service", slog.Any("error", err))
 				os.Exit(1)
--- a/backend/internal/bootstrap/router_bootstrap.go
+++ b/backend/internal/bootstrap/router_bootstrap.go
@@ -29,23 +29,14 @@ import (
 // This is used to register additional controllers for tests
 var registerTestControllers []func(apiGroup *gin.RouterGroup, db *gorm.DB, svc *services)

-func initRouter(db *gorm.DB, svc *services) utils.Service {
-	runner, err := initRouterInternal(db, svc)
-	if err != nil {
-		slog.Error("Failed to init router", "error", err)
-		os.Exit(1)
-	}
-	return runner
-}
-
-func initRouterInternal(db *gorm.DB, svc *services) (utils.Service, error) {
+func initRouter(db *gorm.DB, svc *services) (utils.Service, error) {
 	// Set the appropriate Gin mode based on the environment
 	switch common.EnvConfig.AppEnv {
-	case "production":
+	case common.AppEnvProduction:
 		gin.SetMode(gin.ReleaseMode)
-	case "development":
+	case common.AppEnvDevelopment:
 		gin.SetMode(gin.DebugMode)
-	case "test":
+	case common.AppEnvTest:
 		gin.SetMode(gin.TestMode)
 	}

@@ -63,6 +54,8 @@ func initRouterInternal(db *gorm.DB, svc *services) (utils.Service, error) {
 	rateLimitMiddleware := middleware.NewRateLimitMiddleware().Add(rate.Every(time.Second), 60)

 	// Setup global middleware
+	r.Use(middleware.HeadMiddleware())
+	r.Use(middleware.NewCacheControlMiddleware().Add())
 	r.Use(middleware.NewCorsMiddleware().Add())
 	r.Use(middleware.NewCspMiddleware().Add())
 	r.Use(middleware.NewErrorHandlerMiddleware().Add())
@@ -90,9 +83,10 @@ func initRouterInternal(db *gorm.DB, svc *services) (utils.Service, error) {
 	controller.NewUserGroupController(apiGroup, authMiddleware, svc.userGroupService)
 	controller.NewCustomClaimController(apiGroup, authMiddleware, svc.customClaimService)
 	controller.NewVersionController(apiGroup, svc.versionService)
+	controller.NewScimController(apiGroup, authMiddleware, svc.scimService)

 	// Add test controller in non-production environments
-	if common.EnvConfig.AppEnv != "production" {
+	if !common.EnvConfig.AppEnv.IsProduction() {
 		for _, f := range registerTestControllers {
 			f(apiGroup, db, svc)
 		}
@@ -110,7 +104,17 @@ func initRouterInternal(db *gorm.DB, svc *services) (utils.Service, error) {
 	srv := &http.Server{
 		MaxHeaderBytes:    1 << 20,
 		ReadHeaderTimeout: 10 * time.Second,
-		Handler:           r,
+		Handler: http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+			// HEAD requests don't get matched by Gin routes, so we convert them to GET
+			// middleware.HeadMiddleware will convert them back to HEAD later
+			if req.Method == http.MethodHead {
+				req.Method = http.MethodGet
+				ctx := context.WithValue(req.Context(), middleware.IsHeadRequestCtxKey{}, true)
+				req = req.WithContext(ctx)
+			}
+
+			r.ServeHTTP(w, req)
+		}),
 	}

 	// Set up the listener
@@ -119,6 +123,7 @@ func initRouterInternal(db *gorm.DB, svc *services) (utils.Service, error) {
 	if common.EnvConfig.UnixSocket != "" {
 		network = "unix"
 		addr = common.EnvConfig.UnixSocket
+		os.Remove(addr) // remove dangling the socket file to avoid file-exist error
 	}

 	listener, err := net.Listen(network, addr) //nolint:noctx
@@ -185,6 +190,7 @@ func initLogger(r *gin.Engine) {
 		"GET /api/application-images/logo",
 		"GET /api/application-images/background",
 		"GET /api/application-images/favicon",
+		"GET /api/application-images/email",
 		"GET /_app",
 		"GET /fonts",
 		"GET /healthz",
--- a/backend/internal/bootstrap/scheduler_bootstrap.go
+++ b/backend/internal/bootstrap/scheduler_bootstrap.go
@@ -23,7 +23,7 @@ func registerScheduledJobs(ctx context.Context, db *gorm.DB, svc *services, http
 	if err != nil {
 		return fmt.Errorf("failed to register DB cleanup jobs in scheduler: %w", err)
 	}
-	err = scheduler.RegisterFileCleanupJobs(ctx, db)
+	err = scheduler.RegisterFileCleanupJobs(ctx, db, svc.fileStorage)
 	if err != nil {
 		return fmt.Errorf("failed to register file cleanup jobs in scheduler: %w", err)
 	}
--- a/backend/internal/bootstrap/services_bootstrap.go
+++ b/backend/internal/bootstrap/services_bootstrap.go
@@ -8,27 +8,32 @@ import (
 	"gorm.io/gorm"

 	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 )

 type services struct {
-	appConfigService   *service.AppConfigService
-	appImagesService   *service.AppImagesService
-	emailService       *service.EmailService
-	geoLiteService     *service.GeoLiteService
-	auditLogService    *service.AuditLogService
-	jwtService         *service.JwtService
-	webauthnService    *service.WebAuthnService
-	userService        *service.UserService
-	customClaimService *service.CustomClaimService
-	oidcService        *service.OidcService
-	userGroupService   *service.UserGroupService
-	ldapService        *service.LdapService
-	apiKeyService      *service.ApiKeyService
-	versionService     *service.VersionService
+	appConfigService     *service.AppConfigService
+	appImagesService     *service.AppImagesService
+	emailService         *service.EmailService
+	geoLiteService       *service.GeoLiteService
+	auditLogService      *service.AuditLogService
+	jwtService           *service.JwtService
+	webauthnService      *service.WebAuthnService
+	scimService          *service.ScimService
+	scimSchedulerService *service.ScimSchedulerService
+	userService          *service.UserService
+	customClaimService   *service.CustomClaimService
+	oidcService          *service.OidcService
+	userGroupService     *service.UserGroupService
+	ldapService          *service.LdapService
+	apiKeyService        *service.ApiKeyService
+	versionService       *service.VersionService
+	fileStorage          storage.FileStorage
+	appLockService       *service.AppLockService
 }

 // Initializes all services
-func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client, imageExtensions map[string]string) (svc *services, err error) {
+func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client, imageExtensions map[string]string, fileStorage storage.FileStorage) (svc *services, err error) {
 	svc = &services{}

 	svc.appConfigService, err = service.NewAppConfigService(ctx, db)
@@ -36,7 +41,9 @@ func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client, ima
 		return nil, fmt.Errorf("failed to create app config service: %w", err)
 	}

-	svc.appImagesService = service.NewAppImagesService(imageExtensions)
+	svc.fileStorage = fileStorage
+	svc.appImagesService = service.NewAppImagesService(imageExtensions, fileStorage)
+	svc.appLockService = service.NewAppLockService(db)

 	svc.emailService, err = service.NewEmailService(db, svc.appConfigService)
 	if err != nil {
@@ -56,15 +63,20 @@ func initServices(ctx context.Context, db *gorm.DB, httpClient *http.Client, ima
 		return nil, fmt.Errorf("failed to create WebAuthn service: %w", err)
 	}

-	svc.oidcService, err = service.NewOidcService(ctx, db, svc.jwtService, svc.appConfigService, svc.auditLogService, svc.customClaimService, svc.webauthnService)
+	svc.oidcService, err = service.NewOidcService(ctx, db, svc.jwtService, svc.appConfigService, svc.auditLogService, svc.customClaimService, svc.webauthnService, httpClient, fileStorage)
 	if err != nil {
 		return nil, fmt.Errorf("failed to create OIDC service: %w", err)
 	}

 	svc.userGroupService = service.NewUserGroupService(db, svc.appConfigService)
-	svc.userService = service.NewUserService(db, svc.jwtService, svc.auditLogService, svc.emailService, svc.appConfigService, svc.customClaimService)
-	svc.ldapService = service.NewLdapService(db, httpClient, svc.appConfigService, svc.userService, svc.userGroupService)
+	svc.userService = service.NewUserService(db, svc.jwtService, svc.auditLogService, svc.emailService, svc.appConfigService, svc.customClaimService, svc.appImagesService, fileStorage)
+	svc.ldapService = service.NewLdapService(db, httpClient, svc.appConfigService, svc.userService, svc.userGroupService, fileStorage)
 	svc.apiKeyService = service.NewApiKeyService(db, svc.emailService)
+	svc.scimService = service.NewScimService(db, httpClient)
+	svc.scimSchedulerService, err = service.NewScimSchedulerService(ctx, svc.scimService)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create SCIM scheduler service: %w", err)
+	}

 	svc.versionService = service.NewVersionService(httpClient)

--- a/backend/internal/cmds/export.go
+++ b/backend/internal/cmds/export.go
@@ -0,0 +1,70 @@
+package cmds
+
+import (
+	"context"
+	"fmt"
+	"io"
+	"os"
+
+	"github.com/pocket-id/pocket-id/backend/internal/bootstrap"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/spf13/cobra"
+)
+
+type exportFlags struct {
+	Path string
+}
+
+func init() {
+	var flags exportFlags
+
+	exportCmd := &cobra.Command{
+		Use:   "export",
+		Short: "Exports all data of Pocket ID into a ZIP file",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runExport(cmd.Context(), flags)
+		},
+	}
+
+	exportCmd.Flags().StringVarP(&flags.Path, "path", "p", "pocket-id-export.zip", "Path to the ZIP file to export the data to, or '-' to write to stdout")
+
+	rootCmd.AddCommand(exportCmd)
+}
+
+// runExport orchestrates the export flow
+func runExport(ctx context.Context, flags exportFlags) error {
+	db, err := bootstrap.NewDatabase()
+	if err != nil {
+		return fmt.Errorf("failed to connect to database: %w", err)
+	}
+
+	storage, err := bootstrap.InitStorage(ctx, db)
+	if err != nil {
+		return fmt.Errorf("failed to initialize storage: %w", err)
+	}
+
+	exportService := service.NewExportService(db, storage)
+
+	var w io.Writer
+	if flags.Path == "-" {
+		w = os.Stdout
+	} else {
+		file, err := os.Create(flags.Path)
+		if err != nil {
+			return fmt.Errorf("failed to create export file: %w", err)
+		}
+		defer file.Close()
+
+		w = file
+	}
+
+	if err := exportService.ExportToZip(ctx, w); err != nil {
+		return fmt.Errorf("failed to export data: %w", err)
+	}
+
+	if flags.Path != "-" {
+		fmt.Printf("Exported data to %s\n", flags.Path)
+	}
+
+	return nil
+}
--- a/backend/internal/cmds/import.go
+++ b/backend/internal/cmds/import.go
@@ -0,0 +1,191 @@
+package cmds
+
+import (
+	"archive/zip"
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/spf13/cobra"
+	"gorm.io/gorm"
+
+	"github.com/pocket-id/pocket-id/backend/internal/bootstrap"
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+type importFlags struct {
+	Path                  string
+	Yes                   bool
+	ForcefullyAcquireLock bool
+}
+
+func init() {
+	var flags importFlags
+
+	importCmd := &cobra.Command{
+		Use:   "import",
+		Short: "Imports all data of Pocket ID from a ZIP file",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			return runImport(cmd.Context(), flags)
+		},
+	}
+
+	importCmd.Flags().StringVarP(&flags.Path, "path", "p", "pocket-id-export.zip", "Path to the ZIP file to import the data from, or '-' to read from stdin")
+	importCmd.Flags().BoolVarP(&flags.Yes, "yes", "y", false, "Skip confirmation prompts")
+	importCmd.Flags().BoolVarP(&flags.ForcefullyAcquireLock, "forcefully-acquire-lock", "", false, "Forcefully acquire the application lock by terminating the Pocket ID instance")
+
+	rootCmd.AddCommand(importCmd)
+}
+
+// runImport handles the high-level orchestration of the import process
+func runImport(ctx context.Context, flags importFlags) error {
+	if !flags.Yes {
+		ok, err := askForConfirmation()
+		if err != nil {
+			return fmt.Errorf("failed to get confirmation: %w", err)
+		}
+		if !ok {
+			fmt.Println("Aborted")
+			os.Exit(1)
+		}
+	}
+
+	var (
+		zipReader *zip.ReadCloser
+		cleanup   func()
+		err       error
+	)
+
+	if flags.Path == "-" {
+		zipReader, cleanup, err = readZipFromStdin()
+		defer cleanup()
+	} else {
+		zipReader, err = zip.OpenReader(flags.Path)
+	}
+	if err != nil {
+		return fmt.Errorf("failed to open zip: %w", err)
+	}
+	defer zipReader.Close()
+
+	db, err := bootstrap.ConnectDatabase()
+	if err != nil {
+		return err
+	}
+
+	err = acquireImportLock(ctx, db, flags.ForcefullyAcquireLock)
+	if err != nil {
+		return err
+	}
+
+	storage, err := bootstrap.InitStorage(ctx, db)
+	if err != nil {
+		return fmt.Errorf("failed to initialize storage: %w", err)
+	}
+
+	importService := service.NewImportService(db, storage)
+	err = importService.ImportFromZip(ctx, &zipReader.Reader)
+	if err != nil {
+		return fmt.Errorf("failed to import data from zip: %w", err)
+	}
+
+	fmt.Println("Import completed successfully.")
+	return nil
+}
+
+func acquireImportLock(ctx context.Context, db *gorm.DB, force bool) error {
+	// Check if the kv table exists, in case we are starting from an empty database
+	exists, err := utils.DBTableExists(db, "kv")
+	if err != nil {
+		return fmt.Errorf("failed to check if kv table exists: %w", err)
+	}
+	if !exists {
+		// This either means the database is empty, or the import is into an old version of PocketID that doesn't support locks
+		// In either case, there's no lock to acquire
+		fmt.Println("Could not acquire a lock because the 'kv' table does not exist. This is fine if you're importing into a new database, but make sure that there isn't an instance of Pocket ID currently running and using the same database.")
+		return nil
+	}
+
+	// Note that we do not call a deferred Release if the data was imported
+	// This is because we are overriding the contents of the database, so the lock is automatically lost
+	appLockService := service.NewAppLockService(db)
+
+	opCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+
+	waitUntil, err := appLockService.Acquire(opCtx, force)
+	if err != nil {
+		if errors.Is(err, service.ErrLockUnavailable) {
+			//nolint:staticcheck
+			return errors.New("Pocket ID must be stopped before importing data; please stop the running instance or run with --forcefully-acquire-lock to terminate the other instance")
+		}
+		return fmt.Errorf("failed to acquire application lock: %w", err)
+	}
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-time.After(time.Until(waitUntil)):
+	}
+
+	return nil
+}
+
+func askForConfirmation() (bool, error) {
+	fmt.Println("WARNING: This feature is experimental and may not work correctly. Please create a backup before proceeding and report any issues you encounter.")
+	fmt.Println()
+	fmt.Println("WARNING: Import will erase all existing data at the following locations:")
+	fmt.Printf("Database:      %s\n", absolutePathOrOriginal(common.EnvConfig.DbConnectionString))
+	fmt.Printf("Uploads Path:  %s\n", absolutePathOrOriginal(common.EnvConfig.UploadPath))
+
+	ok, err := utils.PromptForConfirmation("Do you want to continue?")
+	if err != nil {
+		return false, err
+	}
+
+	return ok, nil
+}
+
+// absolutePathOrOriginal returns the absolute path of the given path, or the original if it fails
+func absolutePathOrOriginal(path string) string {
+	abs, err := filepath.Abs(path)
+	if err != nil {
+		return path
+	}
+	return abs
+}
+
+func readZipFromStdin() (*zip.ReadCloser, func(), error) {
+	tmpFile, err := os.CreateTemp("", "pocket-id-import-*.zip")
+	if err != nil {
+		return nil, nil, fmt.Errorf("failed to create temporary file: %w", err)
+	}
+
+	cleanup := func() {
+		_ = os.Remove(tmpFile.Name())
+	}
+
+	if _, err := io.Copy(tmpFile, os.Stdin); err != nil {
+		tmpFile.Close()
+		cleanup()
+		return nil, nil, fmt.Errorf("failed to read data from stdin: %w", err)
+	}
+
+	if err := tmpFile.Close(); err != nil {
+		cleanup()
+		return nil, nil, fmt.Errorf("failed to close temporary file: %w", err)
+	}
+
+	r, err := zip.OpenReader(tmpFile.Name())
+	if err != nil {
+		cleanup()
+		return nil, nil, err
+	}
+
+	return r, cleanup, nil
+}
--- a/backend/internal/cmds/key_rotate.go
+++ b/backend/internal/cmds/key_rotate.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"os"
 	"strings"

 	"github.com/lestrrat-go/jwx/v3/jwa"
@@ -78,7 +79,7 @@ func keyRotate(ctx context.Context, flags keyRotateFlags, db *gorm.DB, envConfig
 		}
 		if !ok {
 			fmt.Println("Aborted")
-			return nil
+			os.Exit(1)
 		}
 	}

--- a/backend/internal/cmds/key_rotate_test.go
+++ b/backend/internal/cmds/key_rotate_test.go
@@ -1,8 +1,6 @@
 package cmds

 import (
-	"os"
-	"path/filepath"
 	"testing"

 	"github.com/stretchr/testify/assert"
@@ -69,78 +67,14 @@ func TestKeyRotate(t *testing.T) {

 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			t.Run("file storage", func(t *testing.T) {
-				testKeyRotateWithFileStorage(t, tt.flags, tt.wantErr, tt.errMsg)
-			})
-
-			t.Run("database storage", func(t *testing.T) {
-				testKeyRotateWithDatabaseStorage(t, tt.flags, tt.wantErr, tt.errMsg)
-			})
+			testKeyRotateWithDatabaseStorage(t, tt.flags, tt.wantErr, tt.errMsg)
 		})
 	}
 }

-func testKeyRotateWithFileStorage(t *testing.T, flags keyRotateFlags, wantErr bool, errMsg string) {
-	// Create temporary directory for keys
-	tempDir := t.TempDir()
-	keysPath := filepath.Join(tempDir, "keys")
-	err := os.MkdirAll(keysPath, 0755)
-	require.NoError(t, err)
-
-	// Set up file storage config
-	envConfig := &common.EnvConfigSchema{
-		KeysStorage: "file",
-		KeysPath:    keysPath,
-	}
-
-	// Create test database
-	db := testingutils.NewDatabaseForTest(t)
-
-	// Initialize app config service and create instance
-	appConfigService, err := service.NewAppConfigService(t.Context(), db)
-	require.NoError(t, err)
-	instanceID := appConfigService.GetDbConfig().InstanceID.Value
-
-	// Check if key exists before rotation
-	keyProvider, err := jwkutils.GetKeyProvider(db, envConfig, instanceID)
-	require.NoError(t, err)
-
-	// Run the key rotation
-	err = keyRotate(t.Context(), flags, db, envConfig)
-
-	if wantErr {
-		require.Error(t, err)
-		if errMsg != "" {
-			require.ErrorContains(t, err, errMsg)
-		}
-		return
-	}
-
-	require.NoError(t, err)
-
-	// Verify key was created
-	key, err := keyProvider.LoadKey()
-	require.NoError(t, err)
-	require.NotNil(t, key)
-
-	// Verify the algorithm matches what we requested
-	alg, _ := key.Algorithm()
-	assert.NotEmpty(t, alg)
-	if flags.Alg != "" {
-		expectedAlg := flags.Alg
-		if expectedAlg == "EdDSA" {
-			// EdDSA keys should have the EdDSA algorithm
-			assert.Equal(t, "EdDSA", alg.String())
-		} else {
-			assert.Equal(t, expectedAlg, alg.String())
-		}
-	}
-}
-
 func testKeyRotateWithDatabaseStorage(t *testing.T, flags keyRotateFlags, wantErr bool, errMsg string) {
 	// Set up database storage config
 	envConfig := &common.EnvConfigSchema{
-		KeysStorage:   "database",
 		EncryptionKey: []byte("test-encryption-key-characters-long"),
 	}

--- a/backend/internal/cmds/one_time_access_token.go
+++ b/backend/internal/cmds/one_time_access_token.go
@@ -51,7 +51,7 @@ var oneTimeAccessTokenCmd = &cobra.Command{
 			}

 			// Create a new access token that expires in 1 hour
-			oneTimeAccessToken, txErr = service.NewOneTimeAccessToken(user.ID, time.Hour)
+			oneTimeAccessToken, txErr = service.NewOneTimeAccessToken(user.ID, time.Hour, false)
 			if txErr != nil {
 				return fmt.Errorf("failed to generate access token: %w", txErr)
 			}
--- a/backend/internal/cmds/root.go
+++ b/backend/internal/cmds/root.go
@@ -12,9 +12,10 @@ import (
 )

 var rootCmd = &cobra.Command{
-	Use:   "pocket-id",
-	Short: "A simple and easy-to-use OIDC provider that allows users to authenticate with their passkeys to your services.",
-	Long:  "By default, this command starts the pocket-id server.",
+	Use:          "pocket-id",
+	Short:        "A simple and easy-to-use OIDC provider that allows users to authenticate with their passkeys to your services.",
+	Long:         "By default, this command starts the pocket-id server.",
+	SilenceUsage: true,
 	Run: func(cmd *cobra.Command, args []string) {
 		// Start the server
 		err := bootstrap.Bootstrap(cmd.Context())
--- a/backend/internal/common/env_config.go
+++ b/backend/internal/common/env_config.go
@@ -4,6 +4,7 @@ import (
 	"errors"
 	"fmt"
 	"log/slog"
+	"net"
 	"net/url"
 	"os"
 	"reflect"
@@ -14,6 +15,7 @@ import (
 	_ "github.com/joho/godotenv/autoload"
 )

+type AppEnv string
 type DbProvider string

 const (
@@ -24,39 +26,54 @@ const (
 )

 const (
+	AppEnvProduction        AppEnv     = "production"
+	AppEnvDevelopment       AppEnv     = "development"
+	AppEnvTest              AppEnv     = "test"
 	DbProviderSqlite        DbProvider = "sqlite"
 	DbProviderPostgres      DbProvider = "postgres"
 	MaxMindGeoLiteCityUrl   string     = "https://download.maxmind.com/app/geoip_download?edition_id=GeoLite2-City&license_key=%s&suffix=tar.gz"
 	defaultSqliteConnString string     = "data/pocket-id.db"
+	defaultFsUploadPath     string     = "data/uploads"
 	AppUrl                  string     = "http://localhost:1411"
 )

 type EnvConfigSchema struct {
-	AppEnv             string     `env:"APP_ENV" options:"toLower"`
-	LogLevel           string     `env:"LOG_LEVEL" options:"toLower"`
-	AppURL             string     `env:"APP_URL" options:"toLower"`
-	DbProvider         DbProvider `env:"DB_PROVIDER" options:"toLower"`
-	DbConnectionString string     `env:"DB_CONNECTION_STRING" options:"file"`
-	UploadPath         string     `env:"UPLOAD_PATH"`
-	KeysPath           string     `env:"KEYS_PATH"`
-	KeysStorage        string     `env:"KEYS_STORAGE"`
-	EncryptionKey      []byte     `env:"ENCRYPTION_KEY" options:"file"`
-	Port               string     `env:"PORT"`
-	Host               string     `env:"HOST" options:"toLower"`
-	UnixSocket         string     `env:"UNIX_SOCKET"`
-	UnixSocketMode     string     `env:"UNIX_SOCKET_MODE"`
-	MaxMindLicenseKey  string     `env:"MAXMIND_LICENSE_KEY" options:"file"`
-	GeoLiteDBPath      string     `env:"GEOLITE_DB_PATH"`
-	GeoLiteDBUrl       string     `env:"GEOLITE_DB_URL"`
-	LocalIPv6Ranges    string     `env:"LOCAL_IPV6_RANGES"`
-	UiConfigDisabled   bool       `env:"UI_CONFIG_DISABLED"`
-	MetricsEnabled     bool       `env:"METRICS_ENABLED"`
-	TracingEnabled     bool       `env:"TRACING_ENABLED"`
-	LogJSON            bool       `env:"LOG_JSON"`
-	TrustProxy         bool       `env:"TRUST_PROXY"`
-	AnalyticsDisabled  bool       `env:"ANALYTICS_DISABLED"`
-	AllowDowngrade     bool       `env:"ALLOW_DOWNGRADE"`
-	InternalAppURL     string     `env:"INTERNAL_APP_URL"`
+	AppEnv                AppEnv `env:"APP_ENV" options:"toLower"`
+	EncryptionKey         []byte `env:"ENCRYPTION_KEY" options:"file"`
+	AppURL                string `env:"APP_URL" options:"toLower,trimTrailingSlash"`
+	DbProvider            DbProvider
+	DbConnectionString    string `env:"DB_CONNECTION_STRING" options:"file"`
+	TrustProxy            bool   `env:"TRUST_PROXY"`
+	AuditLogRetentionDays int    `env:"AUDIT_LOG_RETENTION_DAYS"`
+	AnalyticsDisabled     bool   `env:"ANALYTICS_DISABLED"`
+	AllowDowngrade        bool   `env:"ALLOW_DOWNGRADE"`
+	InternalAppURL        string `env:"INTERNAL_APP_URL"`
+	UiConfigDisabled      bool   `env:"UI_CONFIG_DISABLED"`
+
+	FileBackend                     string `env:"FILE_BACKEND" options:"toLower"`
+	UploadPath                      string `env:"UPLOAD_PATH"`
+	S3Bucket                        string `env:"S3_BUCKET"`
+	S3Region                        string `env:"S3_REGION"`
+	S3Endpoint                      string `env:"S3_ENDPOINT"`
+	S3AccessKeyID                   string `env:"S3_ACCESS_KEY_ID"`
+	S3SecretAccessKey               string `env:"S3_SECRET_ACCESS_KEY"`
+	S3ForcePathStyle                bool   `env:"S3_FORCE_PATH_STYLE"`
+	S3DisableDefaultIntegrityChecks bool   `env:"S3_DISABLE_DEFAULT_INTEGRITY_CHECKS"`
+
+	Port            string `env:"PORT"`
+	Host            string `env:"HOST" options:"toLower"`
+	UnixSocket      string `env:"UNIX_SOCKET"`
+	UnixSocketMode  string `env:"UNIX_SOCKET_MODE"`
+	LocalIPv6Ranges string `env:"LOCAL_IPV6_RANGES"`
+
+	MaxMindLicenseKey string `env:"MAXMIND_LICENSE_KEY" options:"file"`
+	GeoLiteDBPath     string `env:"GEOLITE_DB_PATH"`
+	GeoLiteDBUrl      string `env:"GEOLITE_DB_URL"`
+
+	LogLevel       string `env:"LOG_LEVEL" options:"toLower"`
+	MetricsEnabled bool   `env:"METRICS_ENABLED"`
+	TracingEnabled bool   `env:"TRACING_ENABLED"`
+	LogJSON        bool   `env:"LOG_JSON"`
 }

 var EnvConfig = defaultConfig()
@@ -71,30 +88,16 @@ func init() {

 func defaultConfig() EnvConfigSchema {
 	return EnvConfigSchema{
-		AppEnv:             "production",
-		LogLevel:           "info",
-		DbProvider:         "sqlite",
-		DbConnectionString: "",
-		UploadPath:         "data/uploads",
-		KeysPath:           "data/keys",
-		KeysStorage:        "", // "database" or "file"
-		EncryptionKey:      nil,
-		AppURL:             AppUrl,
-		Port:               "1411",
-		Host:               "0.0.0.0",
-		UnixSocket:         "",
-		UnixSocketMode:     "",
-		MaxMindLicenseKey:  "",
-		GeoLiteDBPath:      "data/GeoLite2-City.mmdb",
-		GeoLiteDBUrl:       MaxMindGeoLiteCityUrl,
-		LocalIPv6Ranges:    "",
-		UiConfigDisabled:   false,
-		MetricsEnabled:     false,
-		TracingEnabled:     false,
-		TrustProxy:         false,
-		AnalyticsDisabled:  false,
-		AllowDowngrade:     false,
-		InternalAppURL:     "",
+		AppEnv:                AppEnvProduction,
+		LogLevel:              "info",
+		DbProvider:            "sqlite",
+		FileBackend:           "filesystem",
+		AuditLogRetentionDays: 90,
+		AppURL:                AppUrl,
+		Port:                  "1411",
+		Host:                  "0.0.0.0",
+		GeoLiteDBPath:         "data/GeoLite2-City.mmdb",
+		GeoLiteDBUrl:          MaxMindGeoLiteCityUrl,
 	}
 }

@@ -117,32 +120,28 @@ func parseEnvConfig() error {
 		return fmt.Errorf("error preparing env config: %w", err)
 	}

-	err = validateEnvConfig(&EnvConfig)
-	if err != nil {
-		return err
-	}
-
 	return nil

 }

-// validateEnvConfig checks the EnvConfig for required fields and valid values
-func validateEnvConfig(config *EnvConfigSchema) error {
+// ValidateEnvConfig checks the EnvConfig for required fields and valid values
+func ValidateEnvConfig(config *EnvConfigSchema) error {
 	if _, err := sloggin.ParseLevel(config.LogLevel); err != nil {
 		return errors.New("invalid LOG_LEVEL value. Must be 'debug', 'info', 'warn' or 'error'")
 	}

-	switch config.DbProvider {
-	case DbProviderSqlite:
-		if config.DbConnectionString == "" {
-			config.DbConnectionString = defaultSqliteConnString
-		}
-	case DbProviderPostgres:
-		if config.DbConnectionString == "" {
-			return errors.New("missing required env var 'DB_CONNECTION_STRING' for Postgres database")
-		}
+	if len(config.EncryptionKey) < 16 {
+		return errors.New("ENCRYPTION_KEY must be at least 16 bytes long")
+	}
+
+	switch {
+	case config.DbConnectionString == "":
+		config.DbProvider = DbProviderSqlite
+		config.DbConnectionString = defaultSqliteConnString
+	case strings.HasPrefix(config.DbConnectionString, "postgres://") || strings.HasPrefix(config.DbConnectionString, "postgresql://"):
+		config.DbProvider = DbProviderPostgres
 	default:
-		return errors.New("invalid DB_PROVIDER value. Must be 'sqlite' or 'postgres'")
+		config.DbProvider = DbProviderSqlite
 	}

 	parsedAppUrl, err := url.Parse(config.AppURL)
@@ -166,18 +165,38 @@ func validateEnvConfig(config *EnvConfigSchema) error {
 		}
 	}

-	switch config.KeysStorage {
-	// KeysStorage defaults to "file" if empty
-	case "":
-		config.KeysStorage = "file"
-	case "database":
-		if config.EncryptionKey == nil {
-			return errors.New("ENCRYPTION_KEY must be non-empty when KEYS_STORAGE is database")
-		}
-	case "file":
+	switch config.FileBackend {
+	case "s3", "database":
 		// All good, these are valid values
+	case "", "filesystem":
+		if config.UploadPath == "" {
+			config.UploadPath = defaultFsUploadPath
+		}
 	default:
-		return fmt.Errorf("invalid value for KEYS_STORAGE: %s", config.KeysStorage)
+		return errors.New("invalid FILE_BACKEND value. Must be 'filesystem', 'database', or 's3'")
+	}
+
+	// Validate LOCAL_IPV6_RANGES
+	ranges := strings.Split(config.LocalIPv6Ranges, ",")
+	for _, rangeStr := range ranges {
+		rangeStr = strings.TrimSpace(rangeStr)
+		if rangeStr == "" {
+			continue
+		}
+
+		_, ipNet, err := net.ParseCIDR(rangeStr)
+		if err != nil {
+			return fmt.Errorf("invalid LOCAL_IPV6_RANGES '%s': %w", rangeStr, err)
+		}
+
+		if ipNet.IP.To4() != nil {
+			return fmt.Errorf("range '%s' is not a valid IPv6 range", rangeStr)
+		}
+
+	}
+
+	if config.AuditLogRetentionDays <= 0 {
+		return errors.New("AUDIT_LOG_RETENTION_DAYS must be greater than 0")
 	}

 	return nil
@@ -207,6 +226,10 @@ func prepareEnvConfig(config *EnvConfigSchema) error {
 				if err != nil {
 					return err
 				}
+			case "trimTrailingSlash":
+				if field.Kind() == reflect.String {
+					field.SetString(strings.TrimRight(field.String(), "/"))
+				}
 			}
 		}
 	}
@@ -255,3 +278,11 @@ func resolveFileBasedEnvVariable(field reflect.Value, fieldType reflect.StructFi

 	return nil
 }
+
+func (a AppEnv) IsProduction() bool {
+	return a == AppEnvProduction
+}
+
+func (a AppEnv) IsTest() bool {
+	return a == AppEnvTest
+}
--- a/backend/internal/common/env_config_test.go
+++ b/backend/internal/common/env_config_test.go
@@ -8,6 +8,20 @@ import (
 	"github.com/stretchr/testify/require"
 )

+func parseAndValidateEnvConfig(t *testing.T) error {
+	t.Helper()
+
+	if _, exists := os.LookupEnv("ENCRYPTION_KEY"); !exists {
+		t.Setenv("ENCRYPTION_KEY", "0123456789abcdef")
+	}
+
+	if err := parseEnvConfig(); err != nil {
+		return err
+	}
+
+	return ValidateEnvConfig(&EnvConfig)
+}
+
 func TestParseEnvConfig(t *testing.T) {
 	// Store original config to restore later
 	originalConfig := EnvConfig
@@ -17,11 +31,10 @@ func TestParseEnvConfig(t *testing.T) {

 	t.Run("should parse valid SQLite config correctly", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "SQLITE") // should be lowercased automatically
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("APP_URL", "HTTP://LOCALHOST:3000")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.NoError(t, err)
 		assert.Equal(t, DbProviderSqlite, EnvConfig.DbProvider)
 		assert.Equal(t, "http://localhost:3000", EnvConfig.AppURL)
@@ -29,147 +42,76 @@ func TestParseEnvConfig(t *testing.T) {

 	t.Run("should parse valid Postgres config correctly", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "POSTGRES")
 		t.Setenv("DB_CONNECTION_STRING", "postgres://user:pass@localhost/db")
 		t.Setenv("APP_URL", "https://example.com")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.NoError(t, err)
 		assert.Equal(t, DbProviderPostgres, EnvConfig.DbProvider)
 	})

-	t.Run("should fail with invalid DB_PROVIDER", func(t *testing.T) {
+	t.Run("should fail when ENCRYPTION_KEY is too short", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "invalid")
-		t.Setenv("DB_CONNECTION_STRING", "test")
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("APP_URL", "http://localhost:3000")
+		t.Setenv("ENCRYPTION_KEY", "short")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.Error(t, err)
-		assert.ErrorContains(t, err, "invalid DB_PROVIDER value")
+		assert.ErrorContains(t, err, "ENCRYPTION_KEY must be at least 16 bytes long")
 	})

 	t.Run("should set default SQLite connection string when DB_CONNECTION_STRING is empty", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("APP_URL", "http://localhost:3000")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.NoError(t, err)
 		assert.Equal(t, defaultSqliteConnString, EnvConfig.DbConnectionString)
 	})

-	t.Run("should fail when Postgres DB_CONNECTION_STRING is missing", func(t *testing.T) {
-		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "postgres")
-		t.Setenv("APP_URL", "http://localhost:3000")
-
-		err := parseEnvConfig()
-		require.Error(t, err)
-		assert.ErrorContains(t, err, "missing required env var 'DB_CONNECTION_STRING' for Postgres")
-	})
-
 	t.Run("should fail with invalid APP_URL", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("APP_URL", "€://not-a-valid-url")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.Error(t, err)
 		assert.ErrorContains(t, err, "APP_URL is not a valid URL")
 	})

 	t.Run("should fail when APP_URL contains path", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("APP_URL", "http://localhost:3000/path")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.Error(t, err)
 		assert.ErrorContains(t, err, "APP_URL must not contain a path")
 	})

 	t.Run("should fail with invalid INTERNAL_APP_URL", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("INTERNAL_APP_URL", "€://not-a-valid-url")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.Error(t, err)
 		assert.ErrorContains(t, err, "INTERNAL_APP_URL is not a valid URL")
 	})

 	t.Run("should fail when INTERNAL_APP_URL contains path", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("INTERNAL_APP_URL", "http://localhost:3000/path")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.Error(t, err)
 		assert.ErrorContains(t, err, "INTERNAL_APP_URL must not contain a path")
 	})

-	t.Run("should default KEYS_STORAGE to 'file' when empty", func(t *testing.T) {
-		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
-		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
-		t.Setenv("APP_URL", "http://localhost:3000")
-
-		err := parseEnvConfig()
-		require.NoError(t, err)
-		assert.Equal(t, "file", EnvConfig.KeysStorage)
-	})
-
-	t.Run("should fail when KEYS_STORAGE is 'database' but no encryption key", func(t *testing.T) {
-		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
-		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
-		t.Setenv("APP_URL", "http://localhost:3000")
-		t.Setenv("KEYS_STORAGE", "database")
-
-		err := parseEnvConfig()
-		require.Error(t, err)
-		assert.ErrorContains(t, err, "ENCRYPTION_KEY must be non-empty when KEYS_STORAGE is database")
-	})
-
-	t.Run("should accept valid KEYS_STORAGE values", func(t *testing.T) {
-		validStorageTypes := []string{"file", "database"}
-
-		for _, storage := range validStorageTypes {
-			EnvConfig = defaultConfig()
-			t.Setenv("DB_PROVIDER", "sqlite")
-			t.Setenv("DB_CONNECTION_STRING", "file:test.db")
-			t.Setenv("APP_URL", "http://localhost:3000")
-			t.Setenv("KEYS_STORAGE", storage)
-			if storage == "database" {
-				t.Setenv("ENCRYPTION_KEY", "test-key")
-			}
-
-			err := parseEnvConfig()
-			require.NoError(t, err)
-			assert.Equal(t, storage, EnvConfig.KeysStorage)
-		}
-	})
-
-	t.Run("should fail with invalid KEYS_STORAGE value", func(t *testing.T) {
-		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
-		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
-		t.Setenv("APP_URL", "http://localhost:3000")
-		t.Setenv("KEYS_STORAGE", "invalid")
-
-		err := parseEnvConfig()
-		require.Error(t, err)
-		assert.ErrorContains(t, err, "invalid value for KEYS_STORAGE")
-	})
-
 	t.Run("should parse boolean environment variables correctly", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "sqlite")
 		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
 		t.Setenv("APP_URL", "http://localhost:3000")
 		t.Setenv("UI_CONFIG_DISABLED", "true")
@@ -178,7 +120,7 @@ func TestParseEnvConfig(t *testing.T) {
 		t.Setenv("TRUST_PROXY", "true")
 		t.Setenv("ANALYTICS_DISABLED", "false")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.NoError(t, err)
 		assert.True(t, EnvConfig.UiConfigDisabled)
 		assert.True(t, EnvConfig.MetricsEnabled)
@@ -187,27 +129,84 @@ func TestParseEnvConfig(t *testing.T) {
 		assert.False(t, EnvConfig.AnalyticsDisabled)
 	})

+	t.Run("should default audit log retention days to 90", func(t *testing.T) {
+		EnvConfig = defaultConfig()
+		t.Setenv("DB_PROVIDER", "sqlite")
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
+		t.Setenv("APP_URL", "http://localhost:3000")
+
+		err := parseEnvConfig()
+		require.NoError(t, err)
+		assert.Equal(t, 90, EnvConfig.AuditLogRetentionDays)
+	})
+
+	t.Run("should parse audit log retention days override", func(t *testing.T) {
+		EnvConfig = defaultConfig()
+		t.Setenv("DB_PROVIDER", "sqlite")
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
+		t.Setenv("APP_URL", "http://localhost:3000")
+		t.Setenv("AUDIT_LOG_RETENTION_DAYS", "365")
+
+		err := parseEnvConfig()
+		require.NoError(t, err)
+		assert.Equal(t, 365, EnvConfig.AuditLogRetentionDays)
+	})
+
+	t.Run("should fail when AUDIT_LOG_RETENTION_DAYS is non-positive", func(t *testing.T) {
+		EnvConfig = defaultConfig()
+		t.Setenv("DB_PROVIDER", "sqlite")
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
+		t.Setenv("APP_URL", "http://localhost:3000")
+		t.Setenv("AUDIT_LOG_RETENTION_DAYS", "0")
+
+		err := parseAndValidateEnvConfig(t)
+		require.Error(t, err)
+		assert.ErrorContains(t, err, "AUDIT_LOG_RETENTION_DAYS must be greater than 0")
+	})
+
 	t.Run("should parse string environment variables correctly", func(t *testing.T) {
 		EnvConfig = defaultConfig()
-		t.Setenv("DB_PROVIDER", "postgres")
 		t.Setenv("DB_CONNECTION_STRING", "postgres://test")
 		t.Setenv("APP_URL", "https://prod.example.com")
-		t.Setenv("APP_ENV", "STAGING")
+		t.Setenv("APP_ENV", "PRODUCTION")
 		t.Setenv("UPLOAD_PATH", "/custom/uploads")
-		t.Setenv("KEYS_PATH", "/custom/keys")
 		t.Setenv("PORT", "8080")
 		t.Setenv("HOST", "LOCALHOST")
 		t.Setenv("UNIX_SOCKET", "/tmp/app.sock")
 		t.Setenv("MAXMIND_LICENSE_KEY", "test-license")
 		t.Setenv("GEOLITE_DB_PATH", "/custom/geolite.mmdb")

-		err := parseEnvConfig()
+		err := parseAndValidateEnvConfig(t)
 		require.NoError(t, err)
-		assert.Equal(t, "staging", EnvConfig.AppEnv) // lowercased
+		assert.Equal(t, AppEnvProduction, EnvConfig.AppEnv) // lowercased
 		assert.Equal(t, "/custom/uploads", EnvConfig.UploadPath)
 		assert.Equal(t, "8080", EnvConfig.Port)
 		assert.Equal(t, "localhost", EnvConfig.Host) // lowercased
 	})
+
+	t.Run("should normalize file backend and default upload path", func(t *testing.T) {
+		EnvConfig = defaultConfig()
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
+		t.Setenv("APP_URL", "http://localhost:3000")
+		t.Setenv("FILE_BACKEND", "FILESYSTEM")
+		t.Setenv("UPLOAD_PATH", "")
+
+		err := parseAndValidateEnvConfig(t)
+		require.NoError(t, err)
+		assert.Equal(t, "filesystem", EnvConfig.FileBackend)
+		assert.Equal(t, defaultFsUploadPath, EnvConfig.UploadPath)
+	})
+
+	t.Run("should fail with invalid FILE_BACKEND value", func(t *testing.T) {
+		EnvConfig = defaultConfig()
+		t.Setenv("DB_CONNECTION_STRING", "file:test.db")
+		t.Setenv("APP_URL", "http://localhost:3000")
+		t.Setenv("FILE_BACKEND", "invalid")
+
+		err := parseAndValidateEnvConfig(t)
+		require.Error(t, err)
+		assert.ErrorContains(t, err, "invalid FILE_BACKEND value")
+	})
 }

 func TestPrepareEnvConfig_FileBasedAndToLower(t *testing.T) {
@@ -241,7 +240,7 @@ func TestPrepareEnvConfig_FileBasedAndToLower(t *testing.T) {
 		err := prepareEnvConfig(&config)
 		require.NoError(t, err)

-		assert.Equal(t, "staging", config.AppEnv)
+		assert.Equal(t, AppEnv("staging"), config.AppEnv)
 		assert.Equal(t, "localhost", config.Host)
 		assert.Equal(t, []byte(encryptionKeyContent), config.EncryptionKey)
 		assert.Equal(t, dbConnContent, config.DbConnectionString)
--- a/backend/internal/common/errors.go
+++ b/backend/internal/common/errors.go
@@ -38,6 +38,13 @@ type TokenInvalidOrExpiredError struct{}
 func (e *TokenInvalidOrExpiredError) Error() string       { return "token is invalid or expired" }
 func (e *TokenInvalidOrExpiredError) HttpStatusCode() int { return 400 }

+type DeviceCodeInvalid struct{}
+
+func (e *DeviceCodeInvalid) Error() string {
+	return "one time access code must be used on the device it was generated for"
+}
+func (e *DeviceCodeInvalid) HttpStatusCode() int { return 400 }
+
 type TokenInvalidError struct{}

 func (e *TokenInvalidError) Error() string {
@@ -378,3 +385,23 @@ func (e *ClientIdAlreadyExistsError) Error() string {
 func (e *ClientIdAlreadyExistsError) HttpStatusCode() int {
 	return http.StatusBadRequest
 }
+
+type UserEmailNotSetError struct{}
+
+func (e *UserEmailNotSetError) Error() string {
+	return "The user does not have an email address set"
+}
+
+func (e *UserEmailNotSetError) HttpStatusCode() int {
+	return http.StatusBadRequest
+}
+
+type ImageNotFoundError struct{}
+
+func (e *ImageNotFoundError) Error() string {
+	return "Image not found"
+}
+
+func (e *ImageNotFoundError) HttpStatusCode() int {
+	return http.StatusNotFound
+}
--- a/backend/internal/controller/api_key_controller.go
+++ b/backend/internal/controller/api_key_controller.go
@@ -45,15 +45,11 @@ func NewApiKeyController(group *gin.RouterGroup, authMiddleware *middleware.Auth
 // @Success 200 {object} dto.Paginated[dto.ApiKeyDto]
 // @Router /api/api-keys [get]
 func (c *ApiKeyController) listApiKeysHandler(ctx *gin.Context) {
+	listRequestOptions := utils.ParseListRequestOptions(ctx)
+
 	userID := ctx.GetString("userID")

-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := ctx.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = ctx.Error(err)
-		return
-	}
-
-	apiKeys, pagination, err := c.apiKeyService.ListApiKeys(ctx.Request.Context(), userID, sortedPaginationRequest)
+	apiKeys, pagination, err := c.apiKeyService.ListApiKeys(ctx.Request.Context(), userID, listRequestOptions)
 	if err != nil {
 		_ = ctx.Error(err)
 		return
--- a/backend/internal/controller/app_images_controller.go
+++ b/backend/internal/controller/app_images_controller.go
@@ -23,12 +23,18 @@ func NewAppImagesController(
 	}

 	group.GET("/application-images/logo", controller.getLogoHandler)
+	group.GET("/application-images/email", controller.getEmailLogoHandler)
 	group.GET("/application-images/background", controller.getBackgroundImageHandler)
 	group.GET("/application-images/favicon", controller.getFaviconHandler)
+	group.GET("/application-images/default-profile-picture", authMiddleware.Add(), controller.getDefaultProfilePicture)

 	group.PUT("/application-images/logo", authMiddleware.Add(), controller.updateLogoHandler)
+	group.PUT("/application-images/email", authMiddleware.Add(), controller.updateEmailLogoHandler)
 	group.PUT("/application-images/background", authMiddleware.Add(), controller.updateBackgroundImageHandler)
 	group.PUT("/application-images/favicon", authMiddleware.Add(), controller.updateFaviconHandler)
+	group.PUT("/application-images/default-profile-picture", authMiddleware.Add(), controller.updateDefaultProfilePicture)
+
+	group.DELETE("/application-images/default-profile-picture", authMiddleware.Add(), controller.deleteDefaultProfilePicture)
 }

 type AppImagesController struct {
@@ -55,6 +61,18 @@ func (c *AppImagesController) getLogoHandler(ctx *gin.Context) {
 	c.getImage(ctx, imageName)
 }

+// getEmailLogoHandler godoc
+// @Summary Get email logo image
+// @Description Get the email logo image for use in emails
+// @Tags Application Images
+// @Produce image/png
+// @Produce image/jpeg
+// @Success 200 {file} binary "Email logo image"
+// @Router /api/application-images/email [get]
+func (c *AppImagesController) getEmailLogoHandler(ctx *gin.Context) {
+	c.getImage(ctx, "logoEmail")
+}
+
 // getBackgroundImageHandler godoc
 // @Summary Get background image
 // @Description Get the background image for the application
@@ -78,6 +96,18 @@ func (c *AppImagesController) getFaviconHandler(ctx *gin.Context) {
 	c.getImage(ctx, "favicon")
 }

+// getDefaultProfilePicture godoc
+// @Summary Get default profile picture image
+// @Description Get the default profile picture image for the application
+// @Tags Application Images
+// @Produce image/png
+// @Produce image/jpeg
+// @Success 200 {file} binary "Default profile picture image"
+// @Router /api/application-images/default-profile-picture [get]
+func (c *AppImagesController) getDefaultProfilePicture(ctx *gin.Context) {
+	c.getImage(ctx, "default-profile-picture")
+}
+
 // updateLogoHandler godoc
 // @Summary Update logo
 // @Description Update the application logo
@@ -100,7 +130,38 @@ func (c *AppImagesController) updateLogoHandler(ctx *gin.Context) {
 		imageName = "logoDark"
 	}

-	if err := c.appImagesService.UpdateImage(file, imageName); err != nil {
+	if err := c.appImagesService.UpdateImage(ctx.Request.Context(), file, imageName); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
+
+// updateEmailLogoHandler godoc
+// @Summary Update email logo
+// @Description Update the email logo for use in emails
+// @Tags Application Images
+// @Accept multipart/form-data
+// @Param file formData file true "Email logo image file"
+// @Success 204 "No Content"
+// @Router /api/application-images/email [put]
+func (c *AppImagesController) updateEmailLogoHandler(ctx *gin.Context) {
+	file, err := ctx.FormFile("file")
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	fileType := utils.GetFileExtension(file.Filename)
+	mimeType := utils.GetImageMimeType(fileType)
+
+	if mimeType != "image/png" && mimeType != "image/jpeg" {
+		_ = ctx.Error(&common.WrongFileTypeError{ExpectedFileType: ".png or .jpg/jpeg"})
+		return
+	}
+
+	if err := c.appImagesService.UpdateImage(ctx.Request.Context(), file, "logoEmail"); err != nil {
 		_ = ctx.Error(err)
 		return
 	}
@@ -123,7 +184,7 @@ func (c *AppImagesController) updateBackgroundImageHandler(ctx *gin.Context) {
 		return
 	}

-	if err := c.appImagesService.UpdateImage(file, "background"); err != nil {
+	if err := c.appImagesService.UpdateImage(ctx.Request.Context(), file, "background"); err != nil {
 		_ = ctx.Error(err)
 		return
 	}
@@ -152,7 +213,7 @@ func (c *AppImagesController) updateFaviconHandler(ctx *gin.Context) {
 		return
 	}

-	if err := c.appImagesService.UpdateImage(file, "favicon"); err != nil {
+	if err := c.appImagesService.UpdateImage(ctx.Request.Context(), file, "favicon"); err != nil {
 		_ = ctx.Error(err)
 		return
 	}
@@ -161,13 +222,52 @@ func (c *AppImagesController) updateFaviconHandler(ctx *gin.Context) {
 }

 func (c *AppImagesController) getImage(ctx *gin.Context, name string) {
-	imagePath, mimeType, err := c.appImagesService.GetImage(name)
+	reader, size, mimeType, err := c.appImagesService.GetImage(ctx.Request.Context(), name)
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+	defer reader.Close()
+
+	ctx.Header("Content-Type", mimeType)
+	utils.SetCacheControlHeader(ctx, 15*time.Minute, 24*time.Hour)
+	ctx.DataFromReader(http.StatusOK, size, mimeType, reader, nil)
+}
+
+// updateDefaultProfilePicture godoc
+// @Summary Update default profile picture image
+// @Description Update the default profile picture image
+// @Tags Application Images
+// @Accept multipart/form-data
+// @Param file formData file true "Profile picture image file"
+// @Success 204 "No Content"
+// @Router /api/application-images/default-profile-picture [put]
+func (c *AppImagesController) updateDefaultProfilePicture(ctx *gin.Context) {
+	file, err := ctx.FormFile("file")
 	if err != nil {
 		_ = ctx.Error(err)
 		return
 	}

-	ctx.Header("Content-Type", mimeType)
-	utils.SetCacheControlHeader(ctx, 15*time.Minute, 24*time.Hour)
-	ctx.File(imagePath)
+	if err := c.appImagesService.UpdateImage(ctx.Request.Context(), file, "default-profile-picture"); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
+
+// deleteDefaultProfilePicture godoc
+// @Summary Delete default profile picture image
+// @Description Delete the default profile picture image
+// @Tags Application Images
+// @Success 204 "No Content"
+// @Router /api/application-images/default-profile-picture [delete]
+func (c *AppImagesController) deleteDefaultProfilePicture(ctx *gin.Context) {
+	if err := c.appImagesService.DeleteImage(ctx.Request.Context(), "default-profile-picture"); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
 }
--- a/backend/internal/controller/audit_log_controller.go
+++ b/backend/internal/controller/audit_log_controller.go
@@ -41,18 +41,12 @@ type AuditLogController struct {
 // @Success 200 {object} dto.Paginated[dto.AuditLogDto]
 // @Router /api/audit-logs [get]
 func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
-	var sortedPaginationRequest utils.SortedPaginationRequest
-
-	err := c.ShouldBindQuery(&sortedPaginationRequest)
-	if err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

 	userID := c.GetString("userID")

 	// Fetch audit logs for the user
-	logs, pagination, err := alc.auditLogService.ListAuditLogsForUser(c.Request.Context(), userID, sortedPaginationRequest)
+	logs, pagination, err := alc.auditLogService.ListAuditLogsForUser(c.Request.Context(), userID, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -86,26 +80,12 @@ func (alc *AuditLogController) listAuditLogsForUserHandler(c *gin.Context) {
 // @Param pagination[limit] query int false "Number of items per page" default(20)
 // @Param sort[column] query string false "Column to sort by"
 // @Param sort[direction] query string false "Sort direction (asc or desc)" default("asc")
-// @Param filters[userId] query string false "Filter by user ID"
-// @Param filters[event] query string false "Filter by event type"
-// @Param filters[clientName] query string false "Filter by client name"
-// @Param filters[location] query string false "Filter by location type (external or internal)"
 // @Success 200 {object} dto.Paginated[dto.AuditLogDto]
 // @Router /api/audit-logs/all [get]
 func (alc *AuditLogController) listAllAuditLogsHandler(c *gin.Context) {
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

-	var filters dto.AuditLogFilterDto
-	if err := c.ShouldBindQuery(&filters); err != nil {
-		_ = c.Error(err)
-		return
-	}
-
-	logs, pagination, err := alc.auditLogService.ListAllAuditLogs(c.Request.Context(), sortedPaginationRequest, filters)
+	logs, pagination, err := alc.auditLogService.ListAllAuditLogs(c.Request.Context(), listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
--- a/backend/internal/controller/e2etest_controller.go
+++ b/backend/internal/controller/e2etest_controller.go
@@ -40,6 +40,11 @@ func (tc *TestController) resetAndSeedHandler(c *gin.Context) {
 		return
 	}

+	if err := tc.TestService.ResetLock(c.Request.Context()); err != nil {
+		_ = c.Error(err)
+		return
+	}
+
 	if err := tc.TestService.ResetApplicationImages(c.Request.Context()); err != nil {
 		_ = c.Error(err)
 		return
@@ -69,8 +74,6 @@ func (tc *TestController) resetAndSeedHandler(c *gin.Context) {
 		}
 	}

-	tc.TestService.SetJWTKeys()
-
 	c.Status(http.StatusNoContent)
 }

--- a/backend/internal/controller/oidc_controller.go
+++ b/backend/internal/controller/oidc_controller.go
@@ -5,6 +5,7 @@ import (
 	"log/slog"
 	"net/http"
 	"net/url"
+	"strconv"
 	"strings"
 	"time"

@@ -62,6 +63,8 @@ func NewOidcController(group *gin.RouterGroup, authMiddleware *middleware.AuthMi

 	group.GET("/oidc/users/me/clients", authMiddleware.WithAdminNotRequired().Add(), oc.listOwnAccessibleClientsHandler)

+	group.GET("/oidc/clients/:id/scim-service-provider", authMiddleware.Add(), oc.getClientScimServiceProviderHandler)
+
 }

 type OidcController struct {
@@ -357,6 +360,7 @@ func (oc *OidcController) getClientMetaDataHandler(c *gin.Context) {
 	clientDto := dto.OidcClientMetaDataDto{}
 	err = dto.MapStruct(client, &clientDto)
 	if err == nil {
+		clientDto.HasDarkLogo = client.HasDarkLogo()
 		c.JSON(http.StatusOK, clientDto)
 		return
 	}
@@ -403,13 +407,9 @@ func (oc *OidcController) getClientHandler(c *gin.Context) {
 // @Router /api/oidc/clients [get]
 func (oc *OidcController) listClientsHandler(c *gin.Context) {
 	searchTerm := c.Query("search")
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

-	clients, pagination, err := oc.oidcService.ListClients(c.Request.Context(), searchTerm, sortedPaginationRequest)
+	clients, pagination, err := oc.oidcService.ListClients(c.Request.Context(), searchTerm, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -423,6 +423,7 @@ func (oc *OidcController) listClientsHandler(c *gin.Context) {
 			_ = c.Error(err)
 			return
 		}
+		clientDto.HasDarkLogo = client.HasDarkLogo()
 		clientDto.AllowedUserGroupsCount, err = oc.oidcService.GetAllowedGroupsCountOfClient(c, client.ID)
 		if err != nil {
 			_ = c.Error(err)
@@ -543,19 +544,23 @@ func (oc *OidcController) createClientSecretHandler(c *gin.Context) {
 // @Produce image/jpeg
 // @Produce image/svg+xml
 // @Param id path string true "Client ID"
+// @Param light query boolean false "Light mode logo (true) or dark mode logo (false)"
 // @Success 200 {file} binary "Logo image"
 // @Router /api/oidc/clients/{id}/logo [get]
 func (oc *OidcController) getClientLogoHandler(c *gin.Context) {
-	imagePath, mimeType, err := oc.oidcService.GetClientLogo(c.Request.Context(), c.Param("id"))
+	lightLogo, _ := strconv.ParseBool(c.DefaultQuery("light", "true"))
+
+	reader, size, mimeType, err := oc.oidcService.GetClientLogo(c.Request.Context(), c.Param("id"), lightLogo)
 	if err != nil {
 		_ = c.Error(err)
 		return
 	}
+	defer reader.Close()

 	utils.SetCacheControlHeader(c, 15*time.Minute, 12*time.Hour)

 	c.Header("Content-Type", mimeType)
-	c.File(imagePath)
+	c.DataFromReader(http.StatusOK, size, mimeType, reader, nil)
 }

 // updateClientLogoHandler godoc
@@ -565,6 +570,7 @@ func (oc *OidcController) getClientLogoHandler(c *gin.Context) {
 // @Accept multipart/form-data
 // @Param id path string true "Client ID"
 // @Param file formData file true "Logo image file (PNG, JPG, or SVG)"
+// @Param light query boolean false "Light mode logo (true) or dark mode logo (false)"
 // @Success 204 "No Content"
 // @Router /api/oidc/clients/{id}/logo [post]
 func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
@@ -574,7 +580,9 @@ func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
 		return
 	}

-	err = oc.oidcService.UpdateClientLogo(c.Request.Context(), c.Param("id"), file)
+	lightLogo, _ := strconv.ParseBool(c.DefaultQuery("light", "true"))
+
+	err = oc.oidcService.UpdateClientLogo(c.Request.Context(), c.Param("id"), file, lightLogo)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -588,10 +596,19 @@ func (oc *OidcController) updateClientLogoHandler(c *gin.Context) {
 // @Description Delete the logo for an OIDC client
 // @Tags OIDC
 // @Param id path string true "Client ID"
+// @Param light query boolean false "Light mode logo (true) or dark mode logo (false)"
 // @Success 204 "No Content"
 // @Router /api/oidc/clients/{id}/logo [delete]
 func (oc *OidcController) deleteClientLogoHandler(c *gin.Context) {
-	err := oc.oidcService.DeleteClientLogo(c.Request.Context(), c.Param("id"))
+	var err error
+
+	lightLogo, _ := strconv.ParseBool(c.DefaultQuery("light", "true"))
+	if lightLogo {
+		err = oc.oidcService.DeleteClientLogo(c.Request.Context(), c.Param("id"))
+	} else {
+		err = oc.oidcService.DeleteClientDarkLogo(c.Request.Context(), c.Param("id"))
+	}
+
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -628,6 +645,7 @@ func (oc *OidcController) updateAllowedUserGroupsHandler(c *gin.Context) {
 		_ = c.Error(err)
 		return
 	}
+	oidcClientDto.HasDarkLogo = oidcClient.HasDarkLogo()

 	c.JSON(http.StatusOK, oidcClientDto)
 }
@@ -685,12 +703,9 @@ func (oc *OidcController) listAuthorizedClientsHandler(c *gin.Context) {
 }

 func (oc *OidcController) listAuthorizedClients(c *gin.Context, userID string) {
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
-	authorizedClients, pagination, err := oc.oidcService.ListAuthorizedClients(c.Request.Context(), userID, sortedPaginationRequest)
+	listRequestOptions := utils.ParseListRequestOptions(c)
+
+	authorizedClients, pagination, err := oc.oidcService.ListAuthorizedClients(c.Request.Context(), userID, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -741,15 +756,11 @@ func (oc *OidcController) revokeOwnClientAuthorizationHandler(c *gin.Context) {
 // @Success 200 {object} dto.Paginated[dto.AccessibleOidcClientDto]
 // @Router /api/oidc/users/me/clients [get]
 func (oc *OidcController) listOwnAccessibleClientsHandler(c *gin.Context) {
+	listRequestOptions := utils.ParseListRequestOptions(c)
+
 	userID := c.GetString("userID")

-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
-
-	clients, pagination, err := oc.oidcService.ListAccessibleOidcClients(c.Request.Context(), userID, sortedPaginationRequest)
+	clients, pagination, err := oc.oidcService.ListAccessibleOidcClients(c.Request.Context(), userID, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -836,3 +847,29 @@ func (oc *OidcController) getClientPreviewHandler(c *gin.Context) {

 	c.JSON(http.StatusOK, preview)
 }
+
+// getClientScimServiceProviderHandler godoc
+// @Summary Get SCIM service provider
+// @Description Get the SCIM service provider configuration for an OIDC client
+// @Tags OIDC
+// @Produce json
+// @Param id path string true "Client ID"
+// @Success 200 {object} dto.ScimServiceProviderDTO "SCIM service provider configuration"
+// @Router /api/oidc/clients/{id}/scim-service-provider [get]
+func (oc *OidcController) getClientScimServiceProviderHandler(c *gin.Context) {
+	clientID := c.Param("id")
+
+	provider, err := oc.oidcService.GetClientScimServiceProvider(c.Request.Context(), clientID)
+	if err != nil {
+		_ = c.Error(err)
+		return
+	}
+
+	var providerDto dto.ScimServiceProviderDTO
+	if err := dto.MapStruct(provider, &providerDto); err != nil {
+		_ = c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, providerDto)
+}
--- a/backend/internal/controller/scim_controller.go
+++ b/backend/internal/controller/scim_controller.go
@@ -0,0 +1,122 @@
+package controller
+
+import (
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/middleware"
+	"github.com/pocket-id/pocket-id/backend/internal/service"
+)
+
+func NewScimController(group *gin.RouterGroup, authMiddleware *middleware.AuthMiddleware, scimService *service.ScimService) {
+	ugc := ScimController{
+		scimService: scimService,
+	}
+
+	group.POST("/scim/service-provider", authMiddleware.Add(), ugc.createServiceProviderHandler)
+	group.POST("/scim/service-provider/:id/sync", authMiddleware.Add(), ugc.syncServiceProviderHandler)
+	group.PUT("/scim/service-provider/:id", authMiddleware.Add(), ugc.updateServiceProviderHandler)
+	group.DELETE("/scim/service-provider/:id", authMiddleware.Add(), ugc.deleteServiceProviderHandler)
+}
+
+type ScimController struct {
+	scimService *service.ScimService
+}
+
+// syncServiceProviderHandler godoc
+// @Summary Sync SCIM service provider
+// @Description Trigger synchronization for a SCIM service provider
+// @Tags SCIM
+// @Param id path string true "Service Provider ID"
+// @Success 200 "OK"
+// @Router /api/scim/service-provider/{id}/sync [post]
+func (c *ScimController) syncServiceProviderHandler(ctx *gin.Context) {
+	err := c.scimService.SyncServiceProvider(ctx.Request.Context(), ctx.Param("id"))
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusOK)
+}
+
+// createServiceProviderHandler godoc
+// @Summary Create SCIM service provider
+// @Description Create a new SCIM service provider
+// @Tags SCIM
+// @Accept json
+// @Produce json
+// @Param serviceProvider body dto.ScimServiceProviderCreateDTO true "SCIM service provider information"
+// @Success 201 {object} dto.ScimServiceProviderDTO "Created SCIM service provider"
+// @Router /api/scim/service-provider [post]
+func (c *ScimController) createServiceProviderHandler(ctx *gin.Context) {
+	var input dto.ScimServiceProviderCreateDTO
+	if err := ctx.ShouldBindJSON(&input); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	provider, err := c.scimService.CreateServiceProvider(ctx.Request.Context(), &input)
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	var providerDTO dto.ScimServiceProviderDTO
+	if err := dto.MapStruct(provider, &providerDTO); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.JSON(http.StatusCreated, providerDTO)
+}
+
+// updateServiceProviderHandler godoc
+// @Summary Update SCIM service provider
+// @Description Update an existing SCIM service provider
+// @Tags SCIM
+// @Accept json
+// @Produce json
+// @Param id path string true "Service Provider ID"
+// @Param serviceProvider body dto.ScimServiceProviderCreateDTO true "SCIM service provider information"
+// @Success 200 {object} dto.ScimServiceProviderDTO "Updated SCIM service provider"
+// @Router /api/scim/service-provider/{id} [put]
+func (c *ScimController) updateServiceProviderHandler(ctx *gin.Context) {
+	var input dto.ScimServiceProviderCreateDTO
+	if err := ctx.ShouldBindJSON(&input); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	provider, err := c.scimService.UpdateServiceProvider(ctx.Request.Context(), ctx.Param("id"), &input)
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	var providerDTO dto.ScimServiceProviderDTO
+	if err := dto.MapStruct(provider, &providerDTO); err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.JSON(http.StatusOK, providerDTO)
+}
+
+// deleteServiceProviderHandler godoc
+// @Summary Delete SCIM service provider
+// @Description Delete a SCIM service provider by ID
+// @Tags SCIM
+// @Param id path string true "Service Provider ID"
+// @Success 204 "No Content"
+// @Router /api/scim/service-provider/{id} [delete]
+func (c *ScimController) deleteServiceProviderHandler(ctx *gin.Context) {
+	err := c.scimService.DeleteServiceProvider(ctx.Request.Context(), ctx.Param("id"))
+	if err != nil {
+		_ = ctx.Error(err)
+		return
+	}
+
+	ctx.Status(http.StatusNoContent)
+}
--- a/backend/internal/controller/user_controller.go
+++ b/backend/internal/controller/user_controller.go
@@ -72,7 +72,7 @@ type UserController struct {
 // @Description Retrieve all groups a specific user belongs to
 // @Tags Users,User Groups
 // @Param id path string true "User ID"
-// @Success 200 {array} dto.UserGroupDtoWithUsers
+// @Success 200 {array} dto.UserGroupDto
 // @Router /api/users/{id}/groups [get]
 func (uc *UserController) getUserGroupsHandler(c *gin.Context) {
 	userID := c.Param("id")
@@ -82,7 +82,7 @@ func (uc *UserController) getUserGroupsHandler(c *gin.Context) {
 		return
 	}

-	var groupsDto []dto.UserGroupDtoWithUsers
+	var groupsDto []dto.UserGroupDto
 	if err := dto.MapStructList(groups, &groupsDto); err != nil {
 		_ = c.Error(err)
 		return
@@ -104,13 +104,9 @@ func (uc *UserController) getUserGroupsHandler(c *gin.Context) {
 // @Router /api/users [get]
 func (uc *UserController) listUsersHandler(c *gin.Context) {
 	searchTerm := c.Query("search")
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

-	users, pagination, err := uc.userService.ListUsers(c.Request.Context(), searchTerm, sortedPaginationRequest)
+	users, pagination, err := uc.userService.ListUsers(c.Request.Context(), searchTerm, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -290,7 +286,7 @@ func (uc *UserController) updateUserProfilePictureHandler(c *gin.Context) {
 	}
 	defer file.Close()

-	if err := uc.userService.UpdateProfilePicture(userID, file); err != nil {
+	if err := uc.userService.UpdateProfilePicture(c.Request.Context(), userID, file); err != nil {
 		_ = c.Error(err)
 		return
 	}
@@ -321,7 +317,7 @@ func (uc *UserController) updateCurrentUserProfilePictureHandler(c *gin.Context)
 	}
 	defer file.Close()

-	if err := uc.userService.UpdateProfilePicture(userID, file); err != nil {
+	if err := uc.userService.UpdateProfilePicture(c.Request.Context(), userID, file); err != nil {
 		_ = c.Error(err)
 		return
 	}
@@ -395,12 +391,13 @@ func (uc *UserController) RequestOneTimeAccessEmailAsUnauthenticatedUserHandler(
 		return
 	}

-	err := uc.userService.RequestOneTimeAccessEmailAsUnauthenticatedUser(c.Request.Context(), input.Email, input.RedirectPath)
+	deviceToken, err := uc.userService.RequestOneTimeAccessEmailAsUnauthenticatedUser(c.Request.Context(), input.Email, input.RedirectPath)
 	if err != nil {
 		_ = c.Error(err)
 		return
 	}

+	cookie.AddDeviceTokenCookie(c, deviceToken)
 	c.Status(http.StatusNoContent)
 }

@@ -444,7 +441,8 @@ func (uc *UserController) RequestOneTimeAccessEmailAsAdminHandler(c *gin.Context
 // @Success 200 {object} dto.UserDto
 // @Router /api/one-time-access-token/{token} [post]
 func (uc *UserController) exchangeOneTimeAccessTokenHandler(c *gin.Context) {
-	user, token, err := uc.userService.ExchangeOneTimeAccessToken(c.Request.Context(), c.Param("token"), c.ClientIP(), c.Request.UserAgent())
+	deviceToken, _ := c.Cookie(cookie.DeviceTokenCookieName)
+	user, token, err := uc.userService.ExchangeOneTimeAccessToken(c.Request.Context(), c.Param("token"), deviceToken, c.ClientIP(), c.Request.UserAgent())
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -547,7 +545,7 @@ func (uc *UserController) createSignupTokenHandler(c *gin.Context) {
 		ttl = defaultSignupTokenDuration
 	}

-	signupToken, err := uc.userService.CreateSignupToken(c.Request.Context(), ttl, input.UsageLimit)
+	signupToken, err := uc.userService.CreateSignupToken(c.Request.Context(), ttl, input.UsageLimit, input.UserGroupIDs)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -574,13 +572,9 @@ func (uc *UserController) createSignupTokenHandler(c *gin.Context) {
 // @Success 200 {object} dto.Paginated[dto.SignupTokenDto]
 // @Router /api/signup-tokens [get]
 func (uc *UserController) listSignupTokensHandler(c *gin.Context) {
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

-	tokens, pagination, err := uc.userService.ListSignupTokens(c.Request.Context(), sortedPaginationRequest)
+	tokens, pagination, err := uc.userService.ListSignupTokens(c.Request.Context(), listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -695,7 +689,7 @@ func (uc *UserController) updateUser(c *gin.Context, updateOwnUser bool) {
 func (uc *UserController) resetUserProfilePictureHandler(c *gin.Context) {
 	userID := c.Param("id")

-	if err := uc.userService.ResetProfilePicture(userID); err != nil {
+	if err := uc.userService.ResetProfilePicture(c.Request.Context(), userID); err != nil {
 		_ = c.Error(err)
 		return
 	}
@@ -713,7 +707,7 @@ func (uc *UserController) resetUserProfilePictureHandler(c *gin.Context) {
 func (uc *UserController) resetCurrentUserProfilePictureHandler(c *gin.Context) {
 	userID := c.GetString("userID")

-	if err := uc.userService.ResetProfilePicture(userID); err != nil {
+	if err := uc.userService.ResetProfilePicture(c.Request.Context(), userID); err != nil {
 		_ = c.Error(err)
 		return
 	}
--- a/backend/internal/controller/user_group_controller.go
+++ b/backend/internal/controller/user_group_controller.go
@@ -28,6 +28,7 @@ func NewUserGroupController(group *gin.RouterGroup, authMiddleware *middleware.A
 		userGroupsGroup.PUT("/:id", ugc.update)
 		userGroupsGroup.DELETE("/:id", ugc.delete)
 		userGroupsGroup.PUT("/:id/users", ugc.updateUsers)
+		userGroupsGroup.PUT("/:id/allowed-oidc-clients", ugc.updateAllowedOidcClients)
 	}
 }

@@ -44,33 +45,27 @@ type UserGroupController struct {
 // @Param pagination[limit] query int false "Number of items per page" default(20)
 // @Param sort[column] query string false "Column to sort by"
 // @Param sort[direction] query string false "Sort direction (asc or desc)" default("asc")
-// @Success 200 {object} dto.Paginated[dto.UserGroupDtoWithUserCount]
+// @Success 200 {object} dto.Paginated[dto.UserGroupMinimalDto]
 // @Router /api/user-groups [get]
 func (ugc *UserGroupController) list(c *gin.Context) {
-	ctx := c.Request.Context()
-
 	searchTerm := c.Query("search")
-	var sortedPaginationRequest utils.SortedPaginationRequest
-	if err := c.ShouldBindQuery(&sortedPaginationRequest); err != nil {
-		_ = c.Error(err)
-		return
-	}
+	listRequestOptions := utils.ParseListRequestOptions(c)

-	groups, pagination, err := ugc.UserGroupService.List(ctx, searchTerm, sortedPaginationRequest)
+	groups, pagination, err := ugc.UserGroupService.List(c, searchTerm, listRequestOptions)
 	if err != nil {
 		_ = c.Error(err)
 		return
 	}

 	// Map the user groups to DTOs
-	var groupsDto = make([]dto.UserGroupDtoWithUserCount, len(groups))
+	var groupsDto = make([]dto.UserGroupMinimalDto, len(groups))
 	for i, group := range groups {
-		var groupDto dto.UserGroupDtoWithUserCount
+		var groupDto dto.UserGroupMinimalDto
 		if err := dto.MapStruct(group, &groupDto); err != nil {
 			_ = c.Error(err)
 			return
 		}
-		groupDto.UserCount, err = ugc.UserGroupService.GetUserCountOfGroup(ctx, group.ID)
+		groupDto.UserCount, err = ugc.UserGroupService.GetUserCountOfGroup(c.Request.Context(), group.ID)
 		if err != nil {
 			_ = c.Error(err)
 			return
@@ -78,7 +73,7 @@ func (ugc *UserGroupController) list(c *gin.Context) {
 		groupsDto[i] = groupDto
 	}

-	c.JSON(http.StatusOK, dto.Paginated[dto.UserGroupDtoWithUserCount]{
+	c.JSON(http.StatusOK, dto.Paginated[dto.UserGroupMinimalDto]{
 		Data:       groupsDto,
 		Pagination: pagination,
 	})
@@ -91,7 +86,7 @@ func (ugc *UserGroupController) list(c *gin.Context) {
 // @Accept json
 // @Produce json
 // @Param id path string true "User Group ID"
-// @Success 200 {object} dto.UserGroupDtoWithUsers
+// @Success 200 {object} dto.UserGroupDto
 // @Router /api/user-groups/{id} [get]
 func (ugc *UserGroupController) get(c *gin.Context) {
 	group, err := ugc.UserGroupService.Get(c.Request.Context(), c.Param("id"))
@@ -100,7 +95,7 @@ func (ugc *UserGroupController) get(c *gin.Context) {
 		return
 	}

-	var groupDto dto.UserGroupDtoWithUsers
+	var groupDto dto.UserGroupDto
 	if err := dto.MapStruct(group, &groupDto); err != nil {
 		_ = c.Error(err)
 		return
@@ -116,7 +111,7 @@ func (ugc *UserGroupController) get(c *gin.Context) {
 // @Accept json
 // @Produce json
 // @Param userGroup body dto.UserGroupCreateDto true "User group information"
-// @Success 201 {object} dto.UserGroupDtoWithUsers "Created user group"
+// @Success 201 {object} dto.UserGroupDto "Created user group"
 // @Router /api/user-groups [post]
 func (ugc *UserGroupController) create(c *gin.Context) {
 	var input dto.UserGroupCreateDto
@@ -131,7 +126,7 @@ func (ugc *UserGroupController) create(c *gin.Context) {
 		return
 	}

-	var groupDto dto.UserGroupDtoWithUsers
+	var groupDto dto.UserGroupDto
 	if err := dto.MapStruct(group, &groupDto); err != nil {
 		_ = c.Error(err)
 		return
@@ -148,7 +143,7 @@ func (ugc *UserGroupController) create(c *gin.Context) {
 // @Produce json
 // @Param id path string true "User Group ID"
 // @Param userGroup body dto.UserGroupCreateDto true "User group information"
-// @Success 200 {object} dto.UserGroupDtoWithUsers "Updated user group"
+// @Success 200 {object} dto.UserGroupDto "Updated user group"
 // @Router /api/user-groups/{id} [put]
 func (ugc *UserGroupController) update(c *gin.Context) {
 	var input dto.UserGroupCreateDto
@@ -163,7 +158,7 @@ func (ugc *UserGroupController) update(c *gin.Context) {
 		return
 	}

-	var groupDto dto.UserGroupDtoWithUsers
+	var groupDto dto.UserGroupDto
 	if err := dto.MapStruct(group, &groupDto); err != nil {
 		_ = c.Error(err)
 		return
@@ -198,7 +193,7 @@ func (ugc *UserGroupController) delete(c *gin.Context) {
 // @Produce json
 // @Param id path string true "User Group ID"
 // @Param users body dto.UserGroupUpdateUsersDto true "List of user IDs to assign to this group"
-// @Success 200 {object} dto.UserGroupDtoWithUsers
+// @Success 200 {object} dto.UserGroupDto
 // @Router /api/user-groups/{id}/users [put]
 func (ugc *UserGroupController) updateUsers(c *gin.Context) {
 	var input dto.UserGroupUpdateUsersDto
@@ -213,7 +208,7 @@ func (ugc *UserGroupController) updateUsers(c *gin.Context) {
 		return
 	}

-	var groupDto dto.UserGroupDtoWithUsers
+	var groupDto dto.UserGroupDto
 	if err := dto.MapStruct(group, &groupDto); err != nil {
 		_ = c.Error(err)
 		return
@@ -221,3 +216,35 @@ func (ugc *UserGroupController) updateUsers(c *gin.Context) {

 	c.JSON(http.StatusOK, groupDto)
 }
+
+// updateAllowedOidcClients godoc
+// @Summary Update allowed OIDC clients
+// @Description Update the OIDC clients allowed for a specific user group
+// @Tags OIDC
+// @Accept json
+// @Produce json
+// @Param id path string true "User Group ID"
+// @Param groups body dto.UserGroupUpdateAllowedOidcClientsDto true "OIDC client IDs to allow"
+// @Success 200 {object} dto.UserGroupDto "Updated user group"
+// @Router /api/user-groups/{id}/allowed-oidc-clients [put]
+func (ugc *UserGroupController) updateAllowedOidcClients(c *gin.Context) {
+	var input dto.UserGroupUpdateAllowedOidcClientsDto
+	if err := c.ShouldBindJSON(&input); err != nil {
+		_ = c.Error(err)
+		return
+	}
+
+	userGroup, err := ugc.UserGroupService.UpdateAllowedOidcClient(c.Request.Context(), c.Param("id"), input)
+	if err != nil {
+		_ = c.Error(err)
+		return
+	}
+
+	var userGroupDto dto.UserGroupDto
+	if err := dto.MapStruct(userGroup, &userGroupDto); err != nil {
+		_ = c.Error(err)
+		return
+	}
+
+	c.JSON(http.StatusOK, userGroupDto)
+}
--- a/backend/internal/controller/webauthn_controller.go
+++ b/backend/internal/controller/webauthn_controller.go
@@ -57,7 +57,7 @@ func (wc *WebauthnController) verifyRegistrationHandler(c *gin.Context) {
 	}

 	userID := c.GetString("userID")
-	credential, err := wc.webAuthnService.VerifyRegistration(c.Request.Context(), sessionID, userID, c.Request)
+	credential, err := wc.webAuthnService.VerifyRegistration(c.Request.Context(), sessionID, userID, c.Request, c.ClientIP())
 	if err != nil {
 		_ = c.Error(err)
 		return
@@ -134,8 +134,10 @@ func (wc *WebauthnController) listCredentialsHandler(c *gin.Context) {
 func (wc *WebauthnController) deleteCredentialHandler(c *gin.Context) {
 	userID := c.GetString("userID")
 	credentialID := c.Param("id")
+	clientIP := c.ClientIP()
+	userAgent := c.Request.UserAgent()

-	err := wc.webAuthnService.DeleteCredential(c.Request.Context(), userID, credentialID)
+	err := wc.webAuthnService.DeleteCredential(c.Request.Context(), userID, credentialID, clientIP, userAgent)
 	if err != nil {
 		_ = c.Error(err)
 		return
--- a/backend/internal/dto/app_config_dto.go
+++ b/backend/internal/dto/app_config_dto.go
@@ -21,6 +21,7 @@ type AppConfigUpdateDto struct {
 	SignupDefaultUserGroupIDs                  string `json:"signupDefaultUserGroupIDs" binding:"omitempty,json"`
 	SignupDefaultCustomClaims                  string `json:"signupDefaultCustomClaims" binding:"omitempty,json"`
 	AccentColor                                string `json:"accentColor"`
+	RequireUserEmail                           string `json:"requireUserEmail" binding:"required"`
 	SmtpHost                                   string `json:"smtpHost"`
 	SmtpPort                                   string `json:"smtpPort"`
 	SmtpFrom                                   string `json:"smtpFrom" binding:"omitempty,email"`
@@ -46,7 +47,7 @@ type AppConfigUpdateDto struct {
 	LdapAttributeGroupMember                   string `json:"ldapAttributeGroupMember"`
 	LdapAttributeGroupUniqueIdentifier         string `json:"ldapAttributeGroupUniqueIdentifier"`
 	LdapAttributeGroupName                     string `json:"ldapAttributeGroupName"`
-	LdapAttributeAdminGroup                    string `json:"ldapAttributeAdminGroup"`
+	LdapAdminGroupName                         string `json:"ldapAdminGroupName"`
 	LdapSoftDeleteUsers                        string `json:"ldapSoftDeleteUsers"`
 	EmailOneTimeAccessAsAdminEnabled           string `json:"emailOneTimeAccessAsAdminEnabled" binding:"required"`
 	EmailOneTimeAccessAsUnauthenticatedEnabled string `json:"emailOneTimeAccessAsUnauthenticatedEnabled" binding:"required"`
--- a/backend/internal/dto/audit_log_dto.go
+++ b/backend/internal/dto/audit_log_dto.go
@@ -17,10 +17,3 @@ type AuditLogDto struct {
 	Username  string            `json:"username"`
 	Data      map[string]string `json:"data"`
 }
-
-type AuditLogFilterDto struct {
-	UserID     string `form:"filters[userId]"`
-	Event      string `form:"filters[event]"`
-	ClientName string `form:"filters[clientName]"`
-	Location   string `form:"filters[location]"`
-}
--- a/backend/internal/dto/oidc_dto.go
+++ b/backend/internal/dto/oidc_dto.go
@@ -6,6 +6,7 @@ type OidcClientMetaDataDto struct {
 	ID                       string  `json:"id"`
 	Name                     string  `json:"name"`
 	HasLogo                  bool    `json:"hasLogo"`
+	HasDarkLogo              bool    `json:"hasDarkLogo"`
 	LaunchURL                *string `json:"launchURL"`
 	RequiresReauthentication bool    `json:"requiresReauthentication"`
 }
@@ -17,11 +18,12 @@ type OidcClientDto struct {
 	IsPublic           bool                     `json:"isPublic"`
 	PkceEnabled        bool                     `json:"pkceEnabled"`
 	Credentials        OidcClientCredentialsDto `json:"credentials"`
+	IsGroupRestricted  bool                     `json:"isGroupRestricted"`
 }

 type OidcClientWithAllowedUserGroupsDto struct {
 	OidcClientDto
-	AllowedUserGroups []UserGroupDtoWithUserCount `json:"allowedUserGroups"`
+	AllowedUserGroups []UserGroupMinimalDto `json:"allowedUserGroups"`
 }

 type OidcClientWithAllowedGroupsCountDto struct {
@@ -38,6 +40,11 @@ type OidcClientUpdateDto struct {
 	RequiresReauthentication bool                     `json:"requiresReauthentication"`
 	Credentials              OidcClientCredentialsDto `json:"credentials"`
 	LaunchURL                *string                  `json:"launchURL" binding:"omitempty,url"`
+	HasLogo                  bool                     `json:"hasLogo"`
+	HasDarkLogo              bool                     `json:"hasDarkLogo"`
+	LogoURL                  *string                  `json:"logoUrl"`
+	DarkLogoURL              *string                  `json:"darkLogoUrl"`
+	IsGroupRestricted        bool                     `json:"isGroupRestricted"`
 }

 type OidcClientCreateDto struct {
--- a/backend/internal/dto/scim_dto.go
+++ b/backend/internal/dto/scim_dto.go
@@ -0,0 +1,96 @@
+package dto
+
+import (
+	"time"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+type ScimServiceProviderDTO struct {
+	ID           string                `json:"id"`
+	Endpoint     string                `json:"endpoint"`
+	Token        string                `json:"token"`
+	LastSyncedAt *datatype.DateTime    `json:"lastSyncedAt"`
+	OidcClient   OidcClientMetaDataDto `json:"oidcClient"`
+	CreatedAt    datatype.DateTime     `json:"createdAt"`
+}
+
+type ScimServiceProviderCreateDTO struct {
+	Endpoint     string `json:"endpoint" binding:"required,url"`
+	Token        string `json:"token"`
+	OidcClientID string `json:"oidcClientId" binding:"required"`
+}
+
+type ScimUser struct {
+	ScimResourceData
+	UserName string      `json:"userName"`
+	Name     *ScimName   `json:"name,omitempty"`
+	Display  string      `json:"displayName,omitempty"`
+	Active   bool        `json:"active"`
+	Emails   []ScimEmail `json:"emails,omitempty"`
+}
+
+type ScimName struct {
+	GivenName  string `json:"givenName,omitempty"`
+	FamilyName string `json:"familyName,omitempty"`
+}
+
+type ScimEmail struct {
+	Value   string `json:"value"`
+	Primary bool   `json:"primary,omitempty"`
+}
+
+type ScimGroup struct {
+	ScimResourceData
+	Display string            `json:"displayName"`
+	Members []ScimGroupMember `json:"members,omitempty"`
+}
+
+type ScimGroupMember struct {
+	Value string `json:"value"`
+}
+
+type ScimListResponse[T any] struct {
+	Resources    []T `json:"Resources"`
+	TotalResults int `json:"totalResults"`
+	StartIndex   int `json:"startIndex"`
+	ItemsPerPage int `json:"itemsPerPage"`
+}
+
+type ScimResourceData struct {
+	ID         string           `json:"id,omitempty"`
+	ExternalID string           `json:"externalId,omitempty"`
+	Schemas    []string         `json:"schemas"`
+	Meta       ScimResourceMeta `json:"meta,omitempty"`
+}
+
+type ScimResourceMeta struct {
+	Location     string    `json:"location,omitempty"`
+	ResourceType string    `json:"resourceType,omitempty"`
+	Created      time.Time `json:"created,omitempty"`
+	LastModified time.Time `json:"lastModified,omitempty"`
+	Version      string    `json:"version,omitempty"`
+}
+
+func (r ScimResourceData) GetID() string {
+	return r.ID
+}
+
+func (r ScimResourceData) GetExternalID() string {
+	return r.ExternalID
+}
+
+func (r ScimResourceData) GetSchemas() []string {
+	return r.Schemas
+}
+
+func (r ScimResourceData) GetMeta() ScimResourceMeta {
+	return r.Meta
+}
+
+type ScimResource interface {
+	GetID() string
+	GetExternalID() string
+	GetSchemas() []string
+	GetMeta() ScimResourceMeta
+}
--- a/backend/internal/dto/signup_token_dto.go
+++ b/backend/internal/dto/signup_token_dto.go
@@ -6,15 +6,17 @@ import (
 )

 type SignupTokenCreateDto struct {
-	TTL        utils.JSONDuration `json:"ttl" binding:"required,ttl"`
-	UsageLimit int                `json:"usageLimit" binding:"required,min=1,max=100"`
+	TTL          utils.JSONDuration `json:"ttl" binding:"required,ttl"`
+	UsageLimit   int                `json:"usageLimit" binding:"required,min=1,max=100"`
+	UserGroupIDs []string           `json:"userGroupIds"`
 }

 type SignupTokenDto struct {
-	ID         string            `json:"id"`
-	Token      string            `json:"token"`
-	ExpiresAt  datatype.DateTime `json:"expiresAt"`
-	UsageLimit int               `json:"usageLimit"`
-	UsageCount int               `json:"usageCount"`
-	CreatedAt  datatype.DateTime `json:"createdAt"`
+	ID         string                `json:"id"`
+	Token      string                `json:"token"`
+	ExpiresAt  datatype.DateTime     `json:"expiresAt"`
+	UsageLimit int                   `json:"usageLimit"`
+	UsageCount int                   `json:"usageCount"`
+	UserGroups []UserGroupMinimalDto `json:"userGroups"`
+	CreatedAt  datatype.DateTime     `json:"createdAt"`
 }
--- a/backend/internal/dto/user_dto.go
+++ b/backend/internal/dto/user_dto.go
@@ -8,30 +8,31 @@ import (
 )

 type UserDto struct {
-	ID           string           `json:"id"`
-	Username     string           `json:"username"`
-	Email        string           `json:"email" `
-	FirstName    string           `json:"firstName"`
-	LastName     *string          `json:"lastName"`
-	DisplayName  string           `json:"displayName"`
-	IsAdmin      bool             `json:"isAdmin"`
-	Locale       *string          `json:"locale"`
-	CustomClaims []CustomClaimDto `json:"customClaims"`
-	UserGroups   []UserGroupDto   `json:"userGroups"`
-	LdapID       *string          `json:"ldapId"`
-	Disabled     bool             `json:"disabled"`
+	ID           string                `json:"id"`
+	Username     string                `json:"username"`
+	Email        *string               `json:"email" `
+	FirstName    string                `json:"firstName"`
+	LastName     *string               `json:"lastName"`
+	DisplayName  string                `json:"displayName"`
+	IsAdmin      bool                  `json:"isAdmin"`
+	Locale       *string               `json:"locale"`
+	CustomClaims []CustomClaimDto      `json:"customClaims"`
+	UserGroups   []UserGroupMinimalDto `json:"userGroups"`
+	LdapID       *string               `json:"ldapId"`
+	Disabled     bool                  `json:"disabled"`
 }

 type UserCreateDto struct {
-	Username    string  `json:"username" binding:"required,username,min=2,max=50" unorm:"nfc"`
-	Email       string  `json:"email" binding:"required,email" unorm:"nfc"`
-	FirstName   string  `json:"firstName" binding:"required,min=1,max=50" unorm:"nfc"`
-	LastName    string  `json:"lastName" binding:"max=50" unorm:"nfc"`
-	DisplayName string  `json:"displayName" binding:"required,max=100" unorm:"nfc"`
-	IsAdmin     bool    `json:"isAdmin"`
-	Locale      *string `json:"locale"`
-	Disabled    bool    `json:"disabled"`
-	LdapID      string  `json:"-"`
+	Username     string   `json:"username" binding:"required,username,min=2,max=50" unorm:"nfc"`
+	Email        *string  `json:"email" binding:"omitempty,email" unorm:"nfc"`
+	FirstName    string   `json:"firstName" binding:"required,min=1,max=50" unorm:"nfc"`
+	LastName     string   `json:"lastName" binding:"max=50" unorm:"nfc"`
+	DisplayName  string   `json:"displayName" binding:"required,min=1,max=100" unorm:"nfc"`
+	IsAdmin      bool     `json:"isAdmin"`
+	Locale       *string  `json:"locale"`
+	Disabled     bool     `json:"disabled"`
+	UserGroupIds []string `json:"userGroupIds"`
+	LdapID       string   `json:"-"`
 }

 func (u UserCreateDto) Validate() error {
@@ -64,9 +65,9 @@ type UserUpdateUserGroupDto struct {
 }

 type SignUpDto struct {
-	Username  string `json:"username" binding:"required,username,min=2,max=50" unorm:"nfc"`
-	Email     string `json:"email" binding:"required,email" unorm:"nfc"`
-	FirstName string `json:"firstName" binding:"required,min=1,max=50" unorm:"nfc"`
-	LastName  string `json:"lastName" binding:"max=50" unorm:"nfc"`
-	Token     string `json:"token"`
+	Username  string  `json:"username" binding:"required,username,min=2,max=50" unorm:"nfc"`
+	Email     *string `json:"email" binding:"omitempty,email" unorm:"nfc"`
+	FirstName string  `json:"firstName" binding:"required,min=1,max=50" unorm:"nfc"`
+	LastName  string  `json:"lastName" binding:"max=50" unorm:"nfc"`
+	Token     string  `json:"token"`
 }
--- a/backend/internal/dto/user_dto_test.go
+++ b/backend/internal/dto/user_dto_test.go
@@ -3,6 +3,7 @@ package dto
 import (
 	"testing"

+	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	"github.com/stretchr/testify/require"
 )

@@ -16,7 +17,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 			name: "valid input",
 			input: UserCreateDto{
 				Username:    "testuser",
-				Email:       "test@example.com",
+				Email:       utils.Ptr("test@example.com"),
 				FirstName:   "John",
 				LastName:    "Doe",
 				DisplayName: "John Doe",
@@ -26,7 +27,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 		{
 			name: "missing username",
 			input: UserCreateDto{
-				Email:       "test@example.com",
+				Email:       utils.Ptr("test@example.com"),
 				FirstName:   "John",
 				LastName:    "Doe",
 				DisplayName: "John Doe",
@@ -36,7 +37,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 		{
 			name: "missing display name",
 			input: UserCreateDto{
-				Email:     "test@example.com",
+				Email:     utils.Ptr("test@example.com"),
 				FirstName: "John",
 				LastName:  "Doe",
 			},
@@ -46,7 +47,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 			name: "username contains invalid characters",
 			input: UserCreateDto{
 				Username:    "test/ser",
-				Email:       "test@example.com",
+				Email:       utils.Ptr("test@example.com"),
 				FirstName:   "John",
 				LastName:    "Doe",
 				DisplayName: "John Doe",
@@ -57,7 +58,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 			name: "invalid email",
 			input: UserCreateDto{
 				Username:    "testuser",
-				Email:       "not-an-email",
+				Email:       utils.Ptr("not-an-email"),
 				FirstName:   "John",
 				LastName:    "Doe",
 				DisplayName: "John Doe",
@@ -68,7 +69,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 			name: "first name too short",
 			input: UserCreateDto{
 				Username:    "testuser",
-				Email:       "test@example.com",
+				Email:       utils.Ptr("test@example.com"),
 				FirstName:   "",
 				LastName:    "Doe",
 				DisplayName: "John Doe",
@@ -79,7 +80,7 @@ func TestUserCreateDto_Validate(t *testing.T) {
 			name: "last name too long",
 			input: UserCreateDto{
 				Username:    "testuser",
-				Email:       "test@example.com",
+				Email:       utils.Ptr("test@example.com"),
 				FirstName:   "John",
 				LastName:    "abcdfghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz",
 				DisplayName: "John Doe",
--- a/backend/internal/dto/user_group_dto.go
+++ b/backend/internal/dto/user_group_dto.go
@@ -8,25 +8,17 @@ import (
 )

 type UserGroupDto struct {
-	ID           string            `json:"id"`
-	FriendlyName string            `json:"friendlyName"`
-	Name         string            `json:"name"`
-	CustomClaims []CustomClaimDto  `json:"customClaims"`
-	LdapID       *string           `json:"ldapId"`
-	CreatedAt    datatype.DateTime `json:"createdAt"`
+	ID                 string                  `json:"id"`
+	FriendlyName       string                  `json:"friendlyName"`
+	Name               string                  `json:"name"`
+	CustomClaims       []CustomClaimDto        `json:"customClaims"`
+	LdapID             *string                 `json:"ldapId"`
+	CreatedAt          datatype.DateTime       `json:"createdAt"`
+	Users              []UserDto               `json:"users"`
+	AllowedOidcClients []OidcClientMetaDataDto `json:"allowedOidcClients"`
 }

-type UserGroupDtoWithUsers struct {
-	ID           string            `json:"id"`
-	FriendlyName string            `json:"friendlyName"`
-	Name         string            `json:"name"`
-	CustomClaims []CustomClaimDto  `json:"customClaims"`
-	Users        []UserDto         `json:"users"`
-	LdapID       *string           `json:"ldapId"`
-	CreatedAt    datatype.DateTime `json:"createdAt"`
-}
-
-type UserGroupDtoWithUserCount struct {
+type UserGroupMinimalDto struct {
 	ID           string            `json:"id"`
 	FriendlyName string            `json:"friendlyName"`
 	Name         string            `json:"name"`
@@ -36,6 +28,10 @@ type UserGroupDtoWithUserCount struct {
 	CreatedAt    datatype.DateTime `json:"createdAt"`
 }

+type UserGroupUpdateAllowedOidcClientsDto struct {
+	OidcClientIDs []string `json:"oidcClientIds" binding:"required"`
+}
+
 type UserGroupCreateDto struct {
 	FriendlyName string `json:"friendlyName" binding:"required,min=2,max=50" unorm:"nfc"`
 	Name         string `json:"name" binding:"required,min=2,max=255" unorm:"nfc"`
--- a/backend/internal/dto/validations.go
+++ b/backend/internal/dto/validations.go
@@ -67,14 +67,12 @@ func ValidateClientID(clientID string) bool {

 // ValidateCallbackURL validates callback URLs with support for wildcards
 func ValidateCallbackURL(raw string) bool {
-	if raw == "*" {
+	// Don't validate if it contains a wildcard
+	if strings.Contains(raw, "*") {
 		return true
 	}

-	// Replace all '*' with 'x' to check if the rest is still a valid URI
-	test := strings.ReplaceAll(raw, "*", "x")
-
-	u, err := url.Parse(test)
+	u, err := url.Parse(raw)
 	if err != nil {
 		return false
 	}
--- a/backend/internal/job/analytics_job.go
+++ b/backend/internal/job/analytics_job.go
@@ -19,7 +19,7 @@ const heartbeatUrl = "https://analytics.pocket-id.org/heartbeat"

 func (s *Scheduler) RegisterAnalyticsJob(ctx context.Context, appConfig *service.AppConfigService, httpClient *http.Client) error {
 	// Skip if analytics are disabled or not in production environment
-	if common.EnvConfig.AnalyticsDisabled || common.EnvConfig.AppEnv != "production" {
+	if common.EnvConfig.AnalyticsDisabled || !common.EnvConfig.AppEnv.IsProduction() {
 		return nil
 	}

@@ -39,7 +39,7 @@ type AnalyticsJob struct {
 // sendHeartbeat sends a heartbeat to the analytics service
 func (j *AnalyticsJob) sendHeartbeat(parentCtx context.Context) error {
 	// Skip if analytics are disabled or not in production environment
-	if common.EnvConfig.AnalyticsDisabled || common.EnvConfig.AppEnv != "production" {
+	if common.EnvConfig.AnalyticsDisabled || !common.EnvConfig.AppEnv.IsProduction() {
 		return nil
 	}

--- a/backend/internal/job/api_key_expiry_job.go
+++ b/backend/internal/job/api_key_expiry_job.go
@@ -37,7 +37,7 @@ func (j *ApiKeyEmailJobs) checkAndNotifyExpiringApiKeys(ctx context.Context) err
 	}

 	for _, key := range apiKeys {
-		if key.User.Email == "" {
+		if key.User.Email == nil {
 			continue
 		}
 		err = j.apiKeyService.SendApiKeyExpiringSoonEmail(ctx, key)
--- a/backend/internal/job/db_cleanup_job.go
+++ b/backend/internal/job/db_cleanup_job.go
@@ -10,6 +10,7 @@ import (
 	"github.com/go-co-op/gocron/v2"
 	"gorm.io/gorm"

+	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
 )
@@ -119,11 +120,13 @@ func (j *DbCleanupJobs) clearReauthenticationTokens(ctx context.Context) error {
 	return nil
 }

-// ClearAuditLogs deletes audit logs older than 90 days
+// ClearAuditLogs deletes audit logs older than the configured retention window
 func (j *DbCleanupJobs) clearAuditLogs(ctx context.Context) error {
+	cutoff := time.Now().AddDate(0, 0, -common.EnvConfig.AuditLogRetentionDays)
+
 	st := j.db.
 		WithContext(ctx).
-		Delete(&model.AuditLog{}, "created_at < ?", datatype.DateTime(time.Now().AddDate(0, 0, -90)))
+		Delete(&model.AuditLog{}, "created_at < ?", datatype.DateTime(cutoff))
 	if st.Error != nil {
 		return fmt.Errorf("failed to delete old audit logs: %w", st.Error)
 	}
--- a/backend/internal/job/file_cleanup_job.go
+++ b/backend/internal/job/file_cleanup_job.go
@@ -2,29 +2,36 @@ package job

 import (
 	"context"
+	"errors"
 	"fmt"
 	"log/slog"
-	"os"
-	"path/filepath"
+	"path"
 	"strings"
 	"time"

 	"github.com/go-co-op/gocron/v2"
 	"gorm.io/gorm"

-	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 )

-func (s *Scheduler) RegisterFileCleanupJobs(ctx context.Context, db *gorm.DB) error {
-	jobs := &FileCleanupJobs{db: db}
+func (s *Scheduler) RegisterFileCleanupJobs(ctx context.Context, db *gorm.DB, fileStorage storage.FileStorage) error {
+	jobs := &FileCleanupJobs{db: db, fileStorage: fileStorage}

-	// Run every 24 hours
-	return s.registerJob(ctx, "ClearUnusedDefaultProfilePictures", gocron.DurationJob(24*time.Hour), jobs.clearUnusedDefaultProfilePictures, false)
+	err := s.registerJob(ctx, "ClearUnusedDefaultProfilePictures", gocron.DurationJob(24*time.Hour), jobs.clearUnusedDefaultProfilePictures, false)
+
+	// Only necessary for file system storage
+	if fileStorage.Type() == storage.TypeFileSystem {
+		err = errors.Join(err, s.registerJob(ctx, "ClearOrphanedTempFiles", gocron.DurationJob(12*time.Hour), jobs.clearOrphanedTempFiles, true))
+	}
+
+	return err
 }

 type FileCleanupJobs struct {
-	db *gorm.DB
+	db          *gorm.DB
+	fileStorage storage.FileStorage
 }

 // ClearUnusedDefaultProfilePictures deletes default profile pictures that don't match any user's initials
@@ -44,29 +51,24 @@ func (j *FileCleanupJobs) clearUnusedDefaultProfilePictures(ctx context.Context)
 		initialsInUse[user.Initials()] = struct{}{}
 	}

-	defaultPicturesDir := common.EnvConfig.UploadPath + "/profile-pictures/defaults"
-	if _, err := os.Stat(defaultPicturesDir); os.IsNotExist(err) {
-		return nil
-	}
-
-	files, err := os.ReadDir(defaultPicturesDir)
+	defaultPicturesDir := path.Join("profile-pictures", "defaults")
+	files, err := j.fileStorage.List(ctx, defaultPicturesDir)
 	if err != nil {
-		return fmt.Errorf("failed to read default profile pictures directory: %w", err)
+		return fmt.Errorf("failed to list default profile pictures: %w", err)
 	}

 	filesDeleted := 0
 	for _, file := range files {
-		if file.IsDir() {
-			continue // Skip directories
+		_, filename := path.Split(file.Path)
+		if filename == "" {
+			continue
 		}
-
-		filename := file.Name()
 		initials := strings.TrimSuffix(filename, ".png")

 		// If these initials aren't used by any user, delete the file
 		if _, ok := initialsInUse[initials]; !ok {
-			filePath := filepath.Join(defaultPicturesDir, filename)
-			if err := os.Remove(filePath); err != nil {
+			filePath := path.Join(defaultPicturesDir, filename)
+			if err := j.fileStorage.Delete(ctx, filePath); err != nil {
 				slog.ErrorContext(ctx, "Failed to delete unused default profile picture", slog.String("path", filePath), slog.Any("error", err))
 			} else {
 				filesDeleted++
@@ -77,3 +79,34 @@ func (j *FileCleanupJobs) clearUnusedDefaultProfilePictures(ctx context.Context)
 	slog.Info("Done deleting unused default profile pictures", slog.Int("count", filesDeleted))
 	return nil
 }
+
+// clearOrphanedTempFiles deletes temporary files that are produced by failed atomic writes
+func (j *FileCleanupJobs) clearOrphanedTempFiles(ctx context.Context) error {
+	const minAge = 10 * time.Minute
+
+	var deleted int
+	err := j.fileStorage.Walk(ctx, "/", func(p storage.ObjectInfo) error {
+		// Only temp files
+		if !strings.HasSuffix(p.Path, "-tmp") {
+			return nil
+		}
+
+		if time.Since(p.ModTime) < minAge {
+			return nil
+		}
+
+		if err := j.fileStorage.Delete(ctx, p.Path); err != nil {
+			slog.ErrorContext(ctx, "Failed to delete temp file", slog.String("path", p.Path), slog.Any("error", err))
+			return nil
+		}
+		deleted++
+		return nil
+	})
+
+	if err != nil {
+		return fmt.Errorf("failed to scan storage: %w", err)
+	}
+
+	slog.Info("Done cleaning orphaned temp files", slog.Int("count", deleted))
+	return nil
+}
--- a/backend/internal/middleware/cache_control.go
+++ b/backend/internal/middleware/cache_control.go
@@ -0,0 +1,26 @@
+package middleware
+
+import "github.com/gin-gonic/gin"
+
+// CacheControlMiddleware sets a safe default Cache-Control header on responses
+// that do not already specify one. This prevents proxies from caching
+// authenticated responses that might contain private data.
+type CacheControlMiddleware struct {
+	headerValue string
+}
+
+func NewCacheControlMiddleware() *CacheControlMiddleware {
+	return &CacheControlMiddleware{
+		headerValue: "private, no-store",
+	}
+}
+
+func (m *CacheControlMiddleware) Add() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		if c.Writer.Header().Get("Cache-Control") == "" {
+			c.Header("Cache-Control", m.headerValue)
+		}
+
+		c.Next()
+	}
+}
--- a/backend/internal/middleware/cache_control_test.go
+++ b/backend/internal/middleware/cache_control_test.go
@@ -0,0 +1,45 @@
+package middleware
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCacheControlMiddlewareSetsDefault(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	router.Use(NewCacheControlMiddleware().Add())
+
+	router.GET("/test", func(c *gin.Context) {
+		c.Status(http.StatusOK)
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/test", http.NoBody)
+	w := httptest.NewRecorder()
+
+	router.ServeHTTP(w, req)
+
+	require.Equal(t, "private, no-store", w.Header().Get("Cache-Control"))
+}
+
+func TestCacheControlMiddlewarePreservesExistingHeader(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	router := gin.New()
+	router.Use(NewCacheControlMiddleware().Add())
+
+	router.GET("/custom", func(c *gin.Context) {
+		c.Header("Cache-Control", "public, max-age=60")
+		c.Status(http.StatusOK)
+	})
+
+	req := httptest.NewRequest(http.MethodGet, "/custom", http.NoBody)
+	w := httptest.NewRecorder()
+
+	router.ServeHTTP(w, req)
+
+	require.Equal(t, "public, max-age=60", w.Header().Get("Cache-Control"))
+}
--- a/backend/internal/middleware/csp_middleware.go
+++ b/backend/internal/middleware/csp_middleware.go
@@ -34,7 +34,7 @@ func (m *CspMiddleware) Add() gin.HandlerFunc {
 			"object-src 'none'; " +
 			"frame-ancestors 'none'; " +
 			"form-action 'self'; " +
-			"img-src 'self' data: blob:; " +
+			"img-src * blob:;" +
 			"font-src 'self'; " +
 			"style-src 'self' 'unsafe-inline'; " +
 			"script-src 'self' 'nonce-" + nonce + "'"
--- a/backend/internal/middleware/head_middleware.go
+++ b/backend/internal/middleware/head_middleware.go
@@ -0,0 +1,40 @@
+package middleware
+
+import (
+	"net/http"
+	"strconv"
+
+	"github.com/gin-gonic/gin"
+)
+
+type IsHeadRequestCtxKey struct{}
+
+type headWriter struct {
+	gin.ResponseWriter
+	size int
+}
+
+func (w *headWriter) Write(b []byte) (int, error) {
+	w.size += len(b)
+	return w.size, nil
+}
+
+func HeadMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		// Only process if it's a HEAD request
+		if c.Request.Context().Value(IsHeadRequestCtxKey{}) != true {
+			c.Next()
+			return
+		}
+
+		// Replace the ResponseWriter with our headWriter to swallow the body
+		hw := &headWriter{ResponseWriter: c.Writer}
+		c.Writer = hw
+
+		c.Next()
+
+		c.Writer.Header().Set("Content-Length", strconv.Itoa(hw.size))
+		c.Request.Method = http.MethodHead
+
+	}
+}
--- a/backend/internal/middleware/rate_limit.go
+++ b/backend/internal/middleware/rate_limit.go
@@ -29,7 +29,7 @@ func (m *RateLimitMiddleware) Add(limit rate.Limit, burst int) gin.HandlerFunc {

 		// Skip rate limiting for localhost and test environment
 		// If the client ip is localhost the request comes from the frontend
-		if ip == "" || ip == "127.0.0.1" || ip == "::1" || common.EnvConfig.AppEnv == "test" {
+		if ip == "" || ip == "127.0.0.1" || ip == "::1" || common.EnvConfig.AppEnv.IsTest() {
 			c.Next()
 			return
 		}
--- a/backend/internal/model/app_config.go
+++ b/backend/internal/model/app_config.go
@@ -46,6 +46,7 @@ type AppConfig struct {
 	// Internal
 	InstanceID AppConfigVariable `key:"instanceId,internal"` // Internal
 	// Email
+	RequireUserEmail                           AppConfigVariable `key:"requireUserEmail,public"` // Public
 	SmtpHost                                   AppConfigVariable `key:"smtpHost"`
 	SmtpPort                                   AppConfigVariable `key:"smtpPort"`
 	SmtpFrom                                   AppConfigVariable `key:"smtpFrom"`
@@ -76,7 +77,7 @@ type AppConfig struct {
 	LdapAttributeGroupMember           AppConfigVariable `key:"ldapAttributeGroupMember"`
 	LdapAttributeGroupUniqueIdentifier AppConfigVariable `key:"ldapAttributeGroupUniqueIdentifier"`
 	LdapAttributeGroupName             AppConfigVariable `key:"ldapAttributeGroupName"`
-	LdapAttributeAdminGroup            AppConfigVariable `key:"ldapAttributeAdminGroup"`
+	LdapAdminGroupName                 AppConfigVariable `key:"ldapAdminGroupName"`
 	LdapSoftDeleteUsers                AppConfigVariable `key:"ldapSoftDeleteUsers"`
 }

--- a/backend/internal/model/audit_log.go
+++ b/backend/internal/model/audit_log.go
@@ -3,13 +3,14 @@ package model
 import (
 	"database/sql/driver"
 	"encoding/json"
-	"fmt"
+
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

 type AuditLog struct {
 	Base

-	Event     AuditLogEvent `sortable:"true"`
+	Event     AuditLogEvent `sortable:"true" filterable:"true"`
 	IpAddress *string       `sortable:"true"`
 	Country   string        `sortable:"true"`
 	City      string        `sortable:"true"`
@@ -17,7 +18,7 @@ type AuditLog struct {
 	Username  string        `gorm:"-"`
 	Data      AuditLogData

-	UserID string
+	UserID string `filterable:"true"`
 	User   User
 }

@@ -33,6 +34,8 @@ const (
 	AuditLogEventNewClientAuthorization     AuditLogEvent = "NEW_CLIENT_AUTHORIZATION"
 	AuditLogEventDeviceCodeAuthorization    AuditLogEvent = "DEVICE_CODE_AUTHORIZATION"
 	AuditLogEventNewDeviceCodeAuthorization AuditLogEvent = "NEW_DEVICE_CODE_AUTHORIZATION"
+	AuditLogEventPasskeyAdded               AuditLogEvent = "PASSKEY_ADDED"
+	AuditLogEventPasskeyRemoved             AuditLogEvent = "PASSKEY_REMOVED"
 )

 // Scan and Value methods for GORM to handle the custom type
@@ -47,14 +50,7 @@ func (e AuditLogEvent) Value() (driver.Value, error) {
 }

 func (d *AuditLogData) Scan(value any) error {
-	switch v := value.(type) {
-	case []byte:
-		return json.Unmarshal(v, d)
-	case string:
-		return json.Unmarshal([]byte(v), d)
-	default:
-		return fmt.Errorf("unsupported type: %T", value)
-	}
+	return utils.UnmarshalJSONFromDatabase(d, value)
 }

 func (d AuditLogData) Value() (driver.Value, error) {
--- a/backend/internal/model/oidc.go
+++ b/backend/internal/model/oidc.go
@@ -3,12 +3,10 @@ package model
 import (
 	"database/sql/driver"
 	"encoding/json"
-	"fmt"
 	"strings"

-	"gorm.io/gorm"
-
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

 type UserAuthorizedOidcClient struct {
@@ -54,12 +52,13 @@ type OidcClient struct {
 	CallbackURLs             UrlList
 	LogoutCallbackURLs       UrlList
 	ImageType                *string
-	HasLogo                  bool `gorm:"-"`
+	DarkImageType            *string
 	IsPublic                 bool
-	PkceEnabled              bool
-	RequiresReauthentication bool
+	PkceEnabled              bool `sortable:"true" filterable:"true"`
+	RequiresReauthentication bool `sortable:"true" filterable:"true"`
 	Credentials              OidcClientCredentials
 	LaunchURL                *string
+	IsGroupRestricted        bool `sortable:"true" filterable:"true"`

 	AllowedUserGroups         []UserGroup `gorm:"many2many:oidc_clients_allowed_user_groups;"`
 	CreatedByID               *string
@@ -67,6 +66,14 @@ type OidcClient struct {
 	UserAuthorizedOidcClients []UserAuthorizedOidcClient `gorm:"foreignKey:ClientID;references:ID"`
 }

+func (c OidcClient) HasLogo() bool {
+	return c.ImageType != nil && *c.ImageType != ""
+}
+
+func (c OidcClient) HasDarkLogo() bool {
+	return c.DarkImageType != nil && *c.DarkImageType != ""
+}
+
 type OidcRefreshToken struct {
 	Base

@@ -89,12 +96,6 @@ func (c OidcRefreshToken) Scopes() []string {
 	return strings.Split(c.Scope, " ")
 }

-func (c *OidcClient) AfterFind(_ *gorm.DB) (err error) {
-	// Compute HasLogo field
-	c.HasLogo = c.ImageType != nil && *c.ImageType != ""
-	return nil
-}
-
 type OidcClientCredentials struct { //nolint:recvcheck
 	FederatedIdentities []OidcClientFederatedIdentity `json:"federatedIdentities,omitempty"`
 }
@@ -121,14 +122,7 @@ func (occ OidcClientCredentials) FederatedIdentityForIssuer(issuer string) (Oidc
 }

 func (occ *OidcClientCredentials) Scan(value any) error {
-	switch v := value.(type) {
-	case []byte:
-		return json.Unmarshal(v, occ)
-	case string:
-		return json.Unmarshal([]byte(v), occ)
-	default:
-		return fmt.Errorf("unsupported type: %T", value)
-	}
+	return utils.UnmarshalJSONFromDatabase(occ, value)
 }

 func (occ OidcClientCredentials) Value() (driver.Value, error) {
@@ -138,14 +132,7 @@ func (occ OidcClientCredentials) Value() (driver.Value, error) {
 type UrlList []string //nolint:recvcheck

 func (cu *UrlList) Scan(value any) error {
-	switch v := value.(type) {
-	case []byte:
-		return json.Unmarshal(v, cu)
-	case string:
-		return json.Unmarshal([]byte(v), cu)
-	default:
-		return fmt.Errorf("unsupported type: %T", value)
-	}
+	return utils.UnmarshalJSONFromDatabase(cu, value)
 }

 func (cu UrlList) Value() (driver.Value, error) {
--- a/backend/internal/model/scim.go
+++ b/backend/internal/model/scim.go
@@ -0,0 +1,14 @@
+package model
+
+import datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+
+type ScimServiceProvider struct {
+	Base
+
+	Endpoint     string `sortable:"true"`
+	Token        datatype.EncryptedString
+	LastSyncedAt *datatype.DateTime `sortable:"true"`
+
+	OidcClientID string
+	OidcClient   OidcClient `gorm:"foreignKey:OidcClientID;references:ID;"`
+}
--- a/backend/internal/model/signup_token.go
+++ b/backend/internal/model/signup_token.go
@@ -13,6 +13,7 @@ type SignupToken struct {
 	ExpiresAt  datatype.DateTime `json:"expiresAt" sortable:"true"`
 	UsageLimit int               `json:"usageLimit" sortable:"true"`
 	UsageCount int               `json:"usageCount" sortable:"true"`
+	UserGroups []UserGroup       `gorm:"many2many:signup_tokens_user_groups;"`
 }

 func (st *SignupToken) IsExpired() bool {
--- a/backend/internal/model/storage.go
+++ b/backend/internal/model/storage.go
@@ -0,0 +1,17 @@
+package model
+
+import (
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
+type Storage struct {
+	Path      string `gorm:"primaryKey"`
+	Data      []byte
+	Size      int64
+	ModTime   datatype.DateTime
+	CreatedAt datatype.DateTime
+}
+
+func (Storage) TableName() string {
+	return "storage"
+}
--- a/backend/internal/model/types/date_time.go
+++ b/backend/internal/model/types/date_time.go
@@ -11,6 +11,15 @@ import (
 // DateTime custom type for time.Time to store date as unix timestamp for sqlite and as date for postgres
 type DateTime time.Time //nolint:recvcheck

+func DateTimeFromString(str string) (DateTime, error) {
+	t, err := time.Parse(time.RFC3339Nano, str)
+	if err != nil {
+		return DateTime{}, fmt.Errorf("failed to parse date string: %w", err)
+	}
+
+	return DateTime(t), nil
+}
+
 func (date *DateTime) Scan(value any) (err error) {
 	switch v := value.(type) {
 	case time.Time:
--- a/backend/internal/model/types/encrypted_string.go
+++ b/backend/internal/model/types/encrypted_string.go
@@ -0,0 +1,91 @@
+package datatype
+
+import (
+	"crypto/sha256"
+	"database/sql/driver"
+	"encoding/base64"
+	"fmt"
+	"io"
+
+	"github.com/pocket-id/pocket-id/backend/internal/common"
+	cryptoutils "github.com/pocket-id/pocket-id/backend/internal/utils/crypto"
+	"golang.org/x/crypto/hkdf"
+)
+
+const encryptedStringAAD = "encrypted_string"
+
+var encStringKey []byte
+
+// EncryptedString stores plaintext in memory and persists encrypted data in the database.
+type EncryptedString string //nolint:recvcheck
+
+func (e *EncryptedString) Scan(value any) error {
+	if value == nil {
+		*e = ""
+		return nil
+	}
+
+	var raw string
+	switch v := value.(type) {
+	case string:
+		raw = v
+	case []byte:
+		raw = string(v)
+	default:
+		return fmt.Errorf("unexpected type for EncryptedString: %T", value)
+	}
+
+	if raw == "" {
+		*e = ""
+		return nil
+	}
+
+	encBytes, err := base64.StdEncoding.DecodeString(raw)
+	if err != nil {
+		return fmt.Errorf("failed to decode encrypted string: %w", err)
+	}
+
+	decBytes, err := cryptoutils.Decrypt(encStringKey, encBytes, []byte(encryptedStringAAD))
+	if err != nil {
+		return fmt.Errorf("failed to decrypt encrypted string: %w", err)
+	}
+
+	*e = EncryptedString(decBytes)
+	return nil
+}
+
+func (e EncryptedString) Value() (driver.Value, error) {
+	if e == "" {
+		return "", nil
+	}
+
+	encBytes, err := cryptoutils.Encrypt(encStringKey, []byte(e), []byte(encryptedStringAAD))
+	if err != nil {
+		return nil, fmt.Errorf("failed to encrypt string: %w", err)
+	}
+
+	return base64.StdEncoding.EncodeToString(encBytes), nil
+}
+
+func (e EncryptedString) String() string {
+	return string(e)
+}
+
+func deriveEncryptedStringKey(master []byte) ([]byte, error) {
+	const info = "pocketid/encrypted_string"
+	r := hkdf.New(sha256.New, master, nil, []byte(info))
+
+	key := make([]byte, 32)
+	if _, err := io.ReadFull(r, key); err != nil {
+		return nil, err
+	}
+	return key, nil
+}
+
+func init() {
+	key, err := deriveEncryptedStringKey(common.EnvConfig.EncryptionKey)
+	if err != nil {
+		panic(fmt.Sprintf("failed to derive encrypted string key: %v", err))
+	}
+	encStringKey = key
+}
--- a/backend/internal/model/user.go
+++ b/backend/internal/model/user.go
@@ -2,6 +2,7 @@ package model

 import (
 	"strings"
+	"time"

 	"github.com/go-webauthn/webauthn/protocol"
 	"github.com/go-webauthn/webauthn/webauthn"
@@ -13,15 +14,16 @@ import (
 type User struct {
 	Base

-	Username    string `sortable:"true"`
-	Email       string `sortable:"true"`
-	FirstName   string `sortable:"true"`
-	LastName    string `sortable:"true"`
-	DisplayName string `sortable:"true"`
-	IsAdmin     bool   `sortable:"true"`
+	Username    string  `sortable:"true"`
+	Email       *string `sortable:"true"`
+	FirstName   string  `sortable:"true"`
+	LastName    string  `sortable:"true"`
+	DisplayName string  `sortable:"true"`
+	IsAdmin     bool    `sortable:"true" filterable:"true"`
 	Locale      *string
 	LdapID      *string
-	Disabled    bool `sortable:"true"`
+	Disabled    bool `sortable:"true" filterable:"true"`
+	UpdatedAt   *datatype.DateTime

 	CustomClaims []CustomClaim
 	UserGroups   []UserGroup `gorm:"many2many:user_groups_users;"`
@@ -85,10 +87,18 @@ func (u User) Initials() string {
 	return strings.ToUpper(first + last)
 }

+func (u User) LastModified() time.Time {
+	if u.UpdatedAt != nil {
+		return u.UpdatedAt.ToTime()
+	}
+	return u.CreatedAt.ToTime()
+}
+
 type OneTimeAccessToken struct {
 	Base
-	Token     string
-	ExpiresAt datatype.DateTime
+	Token       string
+	DeviceToken *string
+	ExpiresAt   datatype.DateTime

 	UserID string
 	User   User
--- a/backend/internal/model/user_group.go
+++ b/backend/internal/model/user_group.go
@@ -1,10 +1,25 @@
 package model

+import (
+	"time"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+)
+
 type UserGroup struct {
 	Base
-	FriendlyName string `sortable:"true"`
-	Name         string `sortable:"true"`
-	LdapID       *string
-	Users        []User `gorm:"many2many:user_groups_users;"`
-	CustomClaims []CustomClaim
+	FriendlyName       string `sortable:"true"`
+	Name               string `sortable:"true"`
+	LdapID             *string
+	UpdatedAt          *datatype.DateTime
+	Users              []User `gorm:"many2many:user_groups_users;"`
+	CustomClaims       []CustomClaim
+	AllowedOidcClients []OidcClient `gorm:"many2many:oidc_clients_allowed_user_groups;"`
+}
+
+func (ug UserGroup) LastModified() time.Time {
+	if ug.UpdatedAt != nil {
+		return ug.UpdatedAt.ToTime()
+	}
+	return ug.CreatedAt.ToTime()
 }
--- a/backend/internal/model/webauthn.go
+++ b/backend/internal/model/webauthn.go
@@ -3,11 +3,11 @@ package model
 import (
 	"database/sql/driver"
 	"encoding/json"
-	"fmt"
 	"time"

 	"github.com/go-webauthn/webauthn/protocol"
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

 type WebauthnSession struct {
@@ -16,6 +16,7 @@ type WebauthnSession struct {
 	Challenge        string
 	ExpiresAt        datatype.DateTime
 	UserVerification string
+	CredentialParams CredentialParameters
 }

 type WebauthnCredential struct {
@@ -58,16 +59,20 @@ type AuthenticatorTransportList []protocol.AuthenticatorTransport //nolint:recvc

 // Scan and Value methods for GORM to handle the custom type
 func (atl *AuthenticatorTransportList) Scan(value interface{}) error {
-	switch v := value.(type) {
-	case []byte:
-		return json.Unmarshal(v, atl)
-	case string:
-		return json.Unmarshal([]byte(v), atl)
-	default:
-		return fmt.Errorf("unsupported type: %T", value)
-	}
+	return utils.UnmarshalJSONFromDatabase(atl, value)
 }

 func (atl AuthenticatorTransportList) Value() (driver.Value, error) {
 	return json.Marshal(atl)
 }
+
+type CredentialParameters []protocol.CredentialParameter //nolint:recvcheck
+
+// Scan and Value methods for GORM to handle the custom type
+func (cp *CredentialParameters) Scan(value interface{}) error {
+	return utils.UnmarshalJSONFromDatabase(cp, value)
+}
+
+func (cp CredentialParameters) Value() (driver.Value, error) {
+	return json.Marshal(cp)
+}
--- a/backend/internal/service/api_key_service.go
+++ b/backend/internal/service/api_key_service.go
@@ -25,14 +25,14 @@ func NewApiKeyService(db *gorm.DB, emailService *EmailService) *ApiKeyService {
 	return &ApiKeyService{db: db, emailService: emailService}
 }

-func (s *ApiKeyService) ListApiKeys(ctx context.Context, userID string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.ApiKey, utils.PaginationResponse, error) {
+func (s *ApiKeyService) ListApiKeys(ctx context.Context, userID string, listRequestOptions utils.ListRequestOptions) ([]model.ApiKey, utils.PaginationResponse, error) {
 	query := s.db.
 		WithContext(ctx).
 		Where("user_id = ?", userID).
 		Model(&model.ApiKey{})

 	var apiKeys []model.ApiKey
-	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &apiKeys)
+	pagination, err := utils.PaginateFilterAndSort(listRequestOptions, query, &apiKeys)
 	if err != nil {
 		return nil, utils.PaginationResponse{}, err
 	}
@@ -144,9 +144,13 @@ func (s *ApiKeyService) SendApiKeyExpiringSoonEmail(ctx context.Context, apiKey
 		}
 	}

+	if user.Email == nil {
+		return &common.UserEmailNotSetError{}
+	}
+
 	err := SendEmail(ctx, s.emailService, email.Address{
 		Name:  user.FullName(),
-		Email: user.Email,
+		Email: *user.Email,
 	}, ApiKeyExpiringSoonTemplate, &ApiKeyExpiringSoonTemplateData{
 		ApiKeyName: apiKey.Name,
 		ExpiresAt:  apiKey.ExpiresAt.ToTime(),
--- a/backend/internal/service/app_config_service.go
+++ b/backend/internal/service/app_config_service.go
@@ -71,6 +71,7 @@ func (s *AppConfigService) getDefaultDbConfig() *model.AppConfig {
 		// Internal
 		InstanceID: model.AppConfigVariable{Value: ""},
 		// Email
+		RequireUserEmail:              model.AppConfigVariable{Value: "true"},
 		SmtpHost:                      model.AppConfigVariable{},
 		SmtpPort:                      model.AppConfigVariable{},
 		SmtpFrom:                      model.AppConfigVariable{},
@@ -101,7 +102,7 @@ func (s *AppConfigService) getDefaultDbConfig() *model.AppConfig {
 		LdapAttributeGroupMember:           model.AppConfigVariable{Value: "member"},
 		LdapAttributeGroupUniqueIdentifier: model.AppConfigVariable{},
 		LdapAttributeGroupName:             model.AppConfigVariable{},
-		LdapAttributeAdminGroup:            model.AppConfigVariable{},
+		LdapAdminGroupName:                 model.AppConfigVariable{},
 		LdapSoftDeleteUsers:                model.AppConfigVariable{Value: "true"},
 	}
 }
--- a/backend/internal/service/app_images_service.go
+++ b/backend/internal/service/app_images_service.go
@@ -1,42 +1,52 @@
 package service

 import (
+	"context"
 	"fmt"
+	"io"
 	"mime/multipart"
-	"os"
-	"path/filepath"
+	"path"
 	"strings"
 	"sync"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

 type AppImagesService struct {
 	mu         sync.RWMutex
 	extensions map[string]string
+	storage    storage.FileStorage
 }

-func NewAppImagesService(extensions map[string]string) *AppImagesService {
-	return &AppImagesService{extensions: extensions}
+func NewAppImagesService(extensions map[string]string, storage storage.FileStorage) *AppImagesService {
+	return &AppImagesService{extensions: extensions, storage: storage}
 }

-func (s *AppImagesService) GetImage(name string) (string, string, error) {
+func (s *AppImagesService) GetImage(ctx context.Context, name string) (io.ReadCloser, int64, string, error) {
 	ext, err := s.getExtension(name)
 	if err != nil {
-		return "", "", err
+		return nil, 0, "", err
 	}

 	mimeType := utils.GetImageMimeType(ext)
 	if mimeType == "" {
-		return "", "", fmt.Errorf("unsupported image type '%s'", ext)
+		return nil, 0, "", fmt.Errorf("unsupported image type '%s'", ext)
 	}

-	imagePath := filepath.Join(common.EnvConfig.UploadPath, "application-images", fmt.Sprintf("%s.%s", name, ext))
-	return imagePath, mimeType, nil
+	imagePath := path.Join("application-images", name+"."+ext)
+	reader, size, err := s.storage.Open(ctx, imagePath)
+	if err != nil {
+		if storage.IsNotExist(err) {
+			return nil, 0, "", &common.ImageNotFoundError{}
+		}
+		return nil, 0, "", err
+	}
+	return reader, size, mimeType, nil
 }

-func (s *AppImagesService) UpdateImage(file *multipart.FileHeader, imageName string) error {
+func (s *AppImagesService) UpdateImage(ctx context.Context, file *multipart.FileHeader, imageName string) error {
 	fileType := strings.ToLower(utils.GetFileExtension(file.Filename))
 	mimeType := utils.GetImageMimeType(fileType)
 	if mimeType == "" {
@@ -48,18 +58,23 @@ func (s *AppImagesService) UpdateImage(file *multipart.FileHeader, imageName str

 	currentExt, ok := s.extensions[imageName]
 	if !ok {
-		return fmt.Errorf("unknown application image '%s'", imageName)
+		s.extensions[imageName] = fileType
 	}

-	imagePath := filepath.Join(common.EnvConfig.UploadPath, "application-images", fmt.Sprintf("%s.%s", imageName, fileType))
+	imagePath := path.Join("application-images", imageName+"."+fileType)
+	fileReader, err := file.Open()
+	if err != nil {
+		return err
+	}
+	defer fileReader.Close()

-	if err := utils.SaveFile(file, imagePath); err != nil {
+	if err := s.storage.Save(ctx, imagePath, fileReader); err != nil {
 		return err
 	}

 	if currentExt != "" && currentExt != fileType {
-		oldImagePath := filepath.Join(common.EnvConfig.UploadPath, "application-images", fmt.Sprintf("%s.%s", imageName, currentExt))
-		if err := os.Remove(oldImagePath); err != nil && !os.IsNotExist(err) {
+		oldImagePath := path.Join("application-images", imageName+"."+currentExt)
+		if err := s.storage.Delete(ctx, oldImagePath); err != nil {
 			return err
 		}
 	}
@@ -69,13 +84,39 @@ func (s *AppImagesService) UpdateImage(file *multipart.FileHeader, imageName str
 	return nil
 }

+func (s *AppImagesService) DeleteImage(ctx context.Context, imageName string) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	ext, ok := s.extensions[imageName]
+	if !ok || ext == "" {
+		return &common.ImageNotFoundError{}
+	}
+
+	imagePath := path.Join("application-images", imageName+"."+ext)
+	if err := s.storage.Delete(ctx, imagePath); err != nil {
+		return err
+	}
+
+	delete(s.extensions, imageName)
+	return nil
+}
+
+func (s *AppImagesService) IsDefaultProfilePictureSet() bool {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	_, ok := s.extensions["default-profile-picture"]
+	return ok
+}
+
 func (s *AppImagesService) getExtension(name string) (string, error) {
 	s.mu.RLock()
 	defer s.mu.RUnlock()

 	ext, ok := s.extensions[name]
 	if !ok || ext == "" {
-		return "", fmt.Errorf("unknown application image '%s'", name)
+		return "", &common.ImageNotFoundError{}
 	}

 	return strings.ToLower(ext), nil
--- a/backend/internal/service/app_images_service_test.go
+++ b/backend/internal/service/app_images_service_test.go
@@ -2,66 +2,92 @@ package service

 import (
 	"bytes"
+	"context"
+	"io"
 	"io/fs"
 	"mime/multipart"
 	"net/http"
 	"net/http/httptest"
-	"os"
-	"path/filepath"
+	"path"
 	"testing"

+	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 )

 func TestAppImagesService_GetImage(t *testing.T) {
-	tempDir := t.TempDir()
-	originalUploadPath := common.EnvConfig.UploadPath
-	common.EnvConfig.UploadPath = tempDir
-	t.Cleanup(func() {
-		common.EnvConfig.UploadPath = originalUploadPath
-	})
-
-	imagesDir := filepath.Join(tempDir, "application-images")
-	require.NoError(t, os.MkdirAll(imagesDir, 0o755))
-
-	filePath := filepath.Join(imagesDir, "background.webp")
-	require.NoError(t, os.WriteFile(filePath, []byte("data"), fs.FileMode(0o644)))
-
-	service := NewAppImagesService(map[string]string{"background": "webp"})
-
-	path, mimeType, err := service.GetImage("background")
+	store, err := storage.NewFilesystemStorage(t.TempDir())
 	require.NoError(t, err)
-	require.Equal(t, filePath, path)
+
+	require.NoError(t, store.Save(context.Background(), path.Join("application-images", "background.webp"), bytes.NewReader([]byte("data"))))
+
+	service := NewAppImagesService(map[string]string{"background": "webp"}, store)
+
+	reader, size, mimeType, err := service.GetImage(context.Background(), "background")
+	require.NoError(t, err)
+	defer reader.Close()
+	payload, err := io.ReadAll(reader)
+	require.NoError(t, err)
+	require.Equal(t, []byte("data"), payload)
+	require.Equal(t, int64(len(payload)), size)
 	require.Equal(t, "image/webp", mimeType)
 }

 func TestAppImagesService_UpdateImage(t *testing.T) {
-	tempDir := t.TempDir()
-	originalUploadPath := common.EnvConfig.UploadPath
-	common.EnvConfig.UploadPath = tempDir
-	t.Cleanup(func() {
-		common.EnvConfig.UploadPath = originalUploadPath
-	})
+	store, err := storage.NewFilesystemStorage(t.TempDir())
+	require.NoError(t, err)

-	imagesDir := filepath.Join(tempDir, "application-images")
-	require.NoError(t, os.MkdirAll(imagesDir, 0o755))
+	require.NoError(t, store.Save(context.Background(), path.Join("application-images", "logoLight.svg"), bytes.NewReader([]byte("old"))))

-	oldPath := filepath.Join(imagesDir, "logoLight.svg")
-	require.NoError(t, os.WriteFile(oldPath, []byte("old"), fs.FileMode(0o644)))
-
-	service := NewAppImagesService(map[string]string{"logoLight": "svg"})
+	service := NewAppImagesService(map[string]string{"logoLight": "svg"}, store)

 	fileHeader := newFileHeader(t, "logoLight.png", []byte("new"))

-	require.NoError(t, service.UpdateImage(fileHeader, "logoLight"))
+	require.NoError(t, service.UpdateImage(context.Background(), fileHeader, "logoLight"))

-	_, err := os.Stat(filepath.Join(imagesDir, "logoLight.png"))
+	reader, _, err := store.Open(context.Background(), path.Join("application-images", "logoLight.png"))
+	require.NoError(t, err)
+	_ = reader.Close()
+
+	_, _, err = store.Open(context.Background(), path.Join("application-images", "logoLight.svg"))
+	require.ErrorIs(t, err, fs.ErrNotExist)
+}
+
+func TestAppImagesService_ErrorsAndFlags(t *testing.T) {
+	store, err := storage.NewFilesystemStorage(t.TempDir())
 	require.NoError(t, err)

-	_, err = os.Stat(oldPath)
-	require.ErrorIs(t, err, os.ErrNotExist)
+	service := NewAppImagesService(map[string]string{}, store)
+
+	t.Run("get missing image returns not found", func(t *testing.T) {
+		_, _, _, err := service.GetImage(context.Background(), "missing")
+		require.Error(t, err)
+		var imageErr *common.ImageNotFoundError
+		assert.ErrorAs(t, err, &imageErr)
+	})
+
+	t.Run("reject unsupported file types", func(t *testing.T) {
+		err := service.UpdateImage(context.Background(), newFileHeader(t, "logo.txt", []byte("nope")), "logo")
+		require.Error(t, err)
+		var fileTypeErr *common.FileTypeNotSupportedError
+		assert.ErrorAs(t, err, &fileTypeErr)
+	})
+
+	t.Run("delete and extension tracking", func(t *testing.T) {
+		require.NoError(t, store.Save(context.Background(), path.Join("application-images", "default-profile-picture.png"), bytes.NewReader([]byte("img"))))
+		service.extensions["default-profile-picture"] = "png"
+
+		require.NoError(t, service.DeleteImage(context.Background(), "default-profile-picture"))
+		assert.False(t, service.IsDefaultProfilePictureSet())
+
+		err := service.DeleteImage(context.Background(), "default-profile-picture")
+		require.Error(t, err)
+		var imageErr *common.ImageNotFoundError
+		assert.ErrorAs(t, err, &imageErr)
+	})
 }

 func newFileHeader(t *testing.T, filename string, content []byte) *multipart.FileHeader {
--- a/backend/internal/service/app_lock_service.go
+++ b/backend/internal/service/app_lock_service.go
@@ -0,0 +1,296 @@
+package service
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log/slog"
+	"os"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+var (
+	ErrLockUnavailable = errors.New("lock is already held by another process")
+	ErrLockLost        = errors.New("lock ownership lost")
+)
+
+const (
+	ttl           = 30 * time.Second
+	renewInterval = 20 * time.Second
+	renewRetries  = 3
+	lockKey       = "application_lock"
+)
+
+type AppLockService struct {
+	db        *gorm.DB
+	lockID    string
+	processID int64
+	hostID    string
+}
+
+func NewAppLockService(db *gorm.DB) *AppLockService {
+	host, err := os.Hostname()
+	if err != nil || host == "" {
+		host = "unknown-host"
+	}
+
+	return &AppLockService{
+		db:        db,
+		processID: int64(os.Getpid()),
+		hostID:    host,
+		lockID:    uuid.NewString(),
+	}
+}
+
+type lockValue struct {
+	ProcessID int64  `json:"process_id"`
+	HostID    string `json:"host_id"`
+	LockID    string `json:"lock_id"`
+	ExpiresAt int64  `json:"expires_at"`
+}
+
+func (lv *lockValue) Marshal() (string, error) {
+	data, err := json.Marshal(lv)
+	if err != nil {
+		return "", err
+	}
+	return string(data), nil
+}
+
+func (lv *lockValue) Unmarshal(raw string) error {
+	if raw == "" {
+		return nil
+	}
+	return json.Unmarshal([]byte(raw), lv)
+}
+
+// Acquire obtains the lock. When force is true, the lock is stolen from any existing owner.
+// If the lock is forcefully acquired, it blocks until the previous lock has expired.
+func (s *AppLockService) Acquire(ctx context.Context, force bool) (waitUntil time.Time, err error) {
+	tx := s.db.Begin()
+	defer func() {
+		tx.Rollback()
+	}()
+
+	var prevLockRaw string
+	err = tx.
+		WithContext(ctx).
+		Model(&model.KV{}).
+		Where("key = ?", lockKey).
+		Clauses(clause.Locking{Strength: "UPDATE"}).
+		Select("value").
+		Scan(&prevLockRaw).
+		Error
+	if err != nil {
+		return time.Time{}, fmt.Errorf("query existing lock: %w", err)
+	}
+
+	var prevLock lockValue
+	if prevLockRaw != "" {
+		if err := prevLock.Unmarshal(prevLockRaw); err != nil {
+			return time.Time{}, fmt.Errorf("decode existing lock value: %w", err)
+		}
+	}
+
+	now := time.Now()
+	nowUnix := now.Unix()
+
+	value := lockValue{
+		ProcessID: s.processID,
+		HostID:    s.hostID,
+		LockID:    s.lockID,
+		ExpiresAt: now.Add(ttl).Unix(),
+	}
+	raw, err := value.Marshal()
+	if err != nil {
+		return time.Time{}, fmt.Errorf("encode lock value: %w", err)
+	}
+
+	var query string
+	switch s.db.Name() {
+	case "sqlite":
+		query = `
+			INSERT INTO kv (key, value)
+			VALUES (?, ?)
+			ON CONFLICT(key) DO UPDATE SET 
+				value = excluded.value
+			WHERE (json_extract(kv.value, '$.expires_at') < ?) OR ?
+		`
+	case "postgres":
+		query = `
+			INSERT INTO kv (key, value)
+			VALUES ($1, $2)
+			ON CONFLICT(key) DO UPDATE SET 
+				value = excluded.value
+			WHERE ((kv.value::json->>'expires_at')::bigint < $3) OR ($4::boolean IS TRUE)
+		`
+	default:
+		return time.Time{}, fmt.Errorf("unsupported database dialect: %s", s.db.Name())
+	}
+
+	res := tx.WithContext(ctx).Exec(query, lockKey, raw, nowUnix, force)
+	if res.Error != nil {
+		return time.Time{}, fmt.Errorf("lock acquisition failed: %w", res.Error)
+	}
+
+	if err := tx.Commit().Error; err != nil {
+		return time.Time{}, fmt.Errorf("commit lock acquisition: %w", err)
+	}
+
+	// If there is a lock that is not expired and force is false, no rows will be affected
+	if res.RowsAffected == 0 {
+		return time.Time{}, ErrLockUnavailable
+	}
+
+	if force && prevLock.ExpiresAt > nowUnix && prevLock.LockID != s.lockID {
+		waitUntil = time.Unix(prevLock.ExpiresAt, 0)
+	}
+
+	attrs := []any{
+		slog.Int64("process_id", s.processID),
+		slog.String("host_id", s.hostID),
+	}
+	if wait := time.Until(waitUntil); wait > 0 {
+		attrs = append(attrs, slog.Duration("wait_before_proceeding", wait))
+	}
+	slog.Info("Acquired application lock", attrs...)
+
+	return waitUntil, nil
+}
+
+// RunRenewal keeps renewing the lock until the context is canceled.
+func (s *AppLockService) RunRenewal(ctx context.Context) error {
+	ticker := time.NewTicker(renewInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return nil
+		case <-ticker.C:
+			if err := s.renew(ctx); err != nil {
+				return fmt.Errorf("renew lock: %w", err)
+			}
+		}
+	}
+}
+
+// Release releases the lock if it is held by this process.
+func (s *AppLockService) Release(ctx context.Context) error {
+	opCtx, cancel := context.WithTimeout(ctx, 3*time.Second)
+	defer cancel()
+
+	var query string
+	switch s.db.Name() {
+	case "sqlite":
+		query = `
+		DELETE FROM kv
+		WHERE key = ?
+		  AND json_extract(value, '$.lock_id') = ?
+	`
+	case "postgres":
+		query = `
+		DELETE FROM kv
+		WHERE key = $1
+		  AND value::json->>'lock_id' = $2
+	`
+	default:
+		return fmt.Errorf("unsupported database dialect: %s", s.db.Name())
+	}
+
+	res := s.db.WithContext(opCtx).Exec(query, lockKey, s.lockID)
+	if res.Error != nil {
+		return fmt.Errorf("release lock failed: %w", res.Error)
+	}
+
+	if res.RowsAffected == 0 {
+		slog.Warn("Application lock not held by this process, cannot release",
+			slog.Int64("process_id", s.processID),
+			slog.String("host_id", s.hostID),
+		)
+	}
+
+	slog.Info("Released application lock",
+		slog.Int64("process_id", s.processID),
+		slog.String("host_id", s.hostID),
+	)
+	return nil
+}
+
+// renew tries to renew the lock, retrying up to renewRetries times (sleeping 1s between attempts).
+func (s *AppLockService) renew(ctx context.Context) error {
+	var lastErr error
+	for attempt := 1; attempt <= renewRetries; attempt++ {
+		now := time.Now()
+		nowUnix := now.Unix()
+		expiresAt := now.Add(ttl).Unix()
+
+		value := lockValue{
+			LockID:    s.lockID,
+			ProcessID: s.processID,
+			HostID:    s.hostID,
+			ExpiresAt: expiresAt,
+		}
+		raw, err := value.Marshal()
+		if err != nil {
+			return fmt.Errorf("encode lock value: %w", err)
+		}
+
+		var query string
+		switch s.db.Name() {
+		case "sqlite":
+			query = `
+				UPDATE kv
+				SET value = ?
+				WHERE key = ?
+				  AND json_extract(value, '$.lock_id') = ?
+				  AND json_extract(value, '$.expires_at') > ?
+			`
+		case "postgres":
+			query = `
+				UPDATE kv
+				SET value = $1
+				WHERE key = $2
+				  AND value::json->>'lock_id' = $3
+				  AND ((value::json->>'expires_at')::bigint > $4)
+			`
+		default:
+			return fmt.Errorf("unsupported database dialect: %s", s.db.Name())
+		}
+
+		opCtx, cancel := context.WithTimeout(ctx, 3*time.Second)
+		res := s.db.WithContext(opCtx).Exec(query, raw, lockKey, s.lockID, nowUnix)
+		cancel()
+
+		switch {
+		case res.Error != nil:
+			lastErr = fmt.Errorf("lock renewal failed: %w", res.Error)
+		case res.RowsAffected == 0:
+			// Must be after checking res.Error
+			return ErrLockLost
+		default:
+			slog.Debug("Renewed application lock",
+				slog.Int64("process_id", s.processID),
+				slog.String("host_id", s.hostID),
+			)
+			return nil
+		}
+
+		// Wait before next attempt or cancel if context is done
+		if attempt < renewRetries {
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			case <-time.After(1 * time.Second):
+			}
+		}
+	}
+
+	return lastErr
+}
--- a/backend/internal/service/app_lock_service_test.go
+++ b/backend/internal/service/app_lock_service_test.go
@@ -0,0 +1,189 @@
+package service
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+	"gorm.io/gorm"
+
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	testutils "github.com/pocket-id/pocket-id/backend/internal/utils/testing"
+)
+
+func newTestAppLockService(t *testing.T, db *gorm.DB) *AppLockService {
+	t.Helper()
+
+	return &AppLockService{
+		db:        db,
+		processID: 1,
+		hostID:    "test-host",
+		lockID:    "a13c7673-c7ae-49f1-9112-2cd2d0d4b0c1",
+	}
+}
+
+func insertLock(t *testing.T, db *gorm.DB, value lockValue) {
+	t.Helper()
+
+	raw, err := value.Marshal()
+	require.NoError(t, err)
+
+	err = db.Create(&model.KV{Key: lockKey, Value: &raw}).Error
+	require.NoError(t, err)
+}
+
+func readLockValue(t *testing.T, db *gorm.DB) lockValue {
+	t.Helper()
+
+	var row model.KV
+	err := db.Take(&row, "key = ?", lockKey).Error
+	require.NoError(t, err)
+
+	require.NotNil(t, row.Value)
+
+	var value lockValue
+	err = value.Unmarshal(*row.Value)
+	require.NoError(t, err)
+
+	return value
+}
+
+func TestAppLockServiceAcquire(t *testing.T) {
+	t.Run("creates new lock when none exists", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		_, err := service.Acquire(context.Background(), false)
+		require.NoError(t, err)
+
+		stored := readLockValue(t, db)
+		require.Equal(t, service.processID, stored.ProcessID)
+		require.Equal(t, service.hostID, stored.HostID)
+		require.Greater(t, stored.ExpiresAt, time.Now().Unix())
+	})
+
+	t.Run("returns ErrLockUnavailable when lock held by another process", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		existing := lockValue{
+			ProcessID: 99,
+			HostID:    "other-host",
+			ExpiresAt: time.Now().Add(ttl).Unix(),
+		}
+		insertLock(t, db, existing)
+
+		_, err := service.Acquire(context.Background(), false)
+		require.ErrorIs(t, err, ErrLockUnavailable)
+
+		current := readLockValue(t, db)
+		require.Equal(t, existing, current)
+	})
+
+	t.Run("force acquisition steals lock", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		insertLock(t, db, lockValue{
+			ProcessID: 99,
+			HostID:    "other-host",
+			ExpiresAt: time.Now().Unix(),
+		})
+
+		_, err := service.Acquire(context.Background(), true)
+		require.NoError(t, err)
+
+		stored := readLockValue(t, db)
+		require.Equal(t, service.processID, stored.ProcessID)
+		require.Equal(t, service.hostID, stored.HostID)
+		require.Greater(t, stored.ExpiresAt, time.Now().Unix())
+	})
+}
+
+func TestAppLockServiceRelease(t *testing.T) {
+	t.Run("removes owned lock", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		_, err := service.Acquire(context.Background(), false)
+		require.NoError(t, err)
+
+		err = service.Release(context.Background())
+		require.NoError(t, err)
+
+		var row model.KV
+		err = db.Take(&row, "key = ?", lockKey).Error
+		require.ErrorIs(t, err, gorm.ErrRecordNotFound)
+	})
+
+	t.Run("ignores lock held by another owner", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		existing := lockValue{
+			ProcessID: 2,
+			HostID:    "other-host",
+			ExpiresAt: time.Now().Add(ttl).Unix(),
+		}
+		insertLock(t, db, existing)
+
+		err := service.Release(context.Background())
+		require.NoError(t, err)
+
+		stored := readLockValue(t, db)
+		require.Equal(t, existing, stored)
+	})
+}
+
+func TestAppLockServiceRenew(t *testing.T) {
+	t.Run("extends expiration when lock is still owned", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		_, err := service.Acquire(context.Background(), false)
+		require.NoError(t, err)
+
+		before := readLockValue(t, db)
+
+		err = service.renew(context.Background())
+		require.NoError(t, err)
+
+		after := readLockValue(t, db)
+		require.Equal(t, service.processID, after.ProcessID)
+		require.Equal(t, service.hostID, after.HostID)
+		require.GreaterOrEqual(t, after.ExpiresAt, before.ExpiresAt)
+	})
+
+	t.Run("returns ErrLockLost when lock is missing", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		err := service.renew(context.Background())
+		require.ErrorIs(t, err, ErrLockLost)
+	})
+
+	t.Run("returns ErrLockLost when ownership changed", func(t *testing.T) {
+		db := testutils.NewDatabaseForTest(t)
+		service := newTestAppLockService(t, db)
+
+		_, err := service.Acquire(context.Background(), false)
+		require.NoError(t, err)
+
+		// Simulate a different process taking the lock.
+		newOwner := lockValue{
+			ProcessID: 9,
+			HostID:    "stolen-host",
+			ExpiresAt: time.Now().Add(ttl).Unix(),
+		}
+		raw, marshalErr := newOwner.Marshal()
+		require.NoError(t, marshalErr)
+		updateErr := db.Model(&model.KV{}).
+			Where("key = ?", lockKey).
+			Update("value", raw).Error
+		require.NoError(t, updateErr)
+
+		err = service.renew(context.Background())
+		require.ErrorIs(t, err, ErrLockLost)
+	})
+}
--- a/backend/internal/service/audit_log_service.go
+++ b/backend/internal/service/audit_log_service.go
@@ -6,7 +6,6 @@ import (
 	"log/slog"

 	userAgentParser "github.com/mileusna/useragent"
-	"github.com/pocket-id/pocket-id/backend/internal/dto"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
@@ -35,7 +34,7 @@ func (s *AuditLogService) Create(ctx context.Context, event model.AuditLogEvent,
 	country, city, err := s.geoliteService.GetLocationByIP(ipAddress)
 	if err != nil {
 		// Log the error but don't interrupt the operation
-		slog.Warn("Failed to get IP location", "error", err)
+		slog.Warn("Failed to get IP location", slog.String("ip", ipAddress), slog.Any("error", err))
 	}

 	auditLog := model.AuditLog{
@@ -111,9 +110,13 @@ func (s *AuditLogService) CreateNewSignInWithEmail(ctx context.Context, ipAddres
 				return
 			}

+			if user.Email == nil {
+				return
+			}
+
 			innerErr = SendEmail(innerCtx, s.emailService, email.Address{
 				Name:  user.FullName(),
-				Email: user.Email,
+				Email: *user.Email,
 			}, NewLoginTemplate, &NewLoginTemplateData{
 				IPAddress: ipAddress,
 				Country:   createdAuditLog.Country,
@@ -122,7 +125,7 @@ func (s *AuditLogService) CreateNewSignInWithEmail(ctx context.Context, ipAddres
 				DateTime:  createdAuditLog.CreatedAt.UTC(),
 			})
 			if innerErr != nil {
-				slog.ErrorContext(innerCtx, "Failed to send notification email", slog.Any("error", innerErr), slog.String("address", user.Email))
+				slog.ErrorContext(innerCtx, "Failed to send notification email", slog.Any("error", innerErr), slog.String("address", *user.Email))
 				return
 			}
 		}()
@@ -132,14 +135,14 @@ func (s *AuditLogService) CreateNewSignInWithEmail(ctx context.Context, ipAddres
 }

 // ListAuditLogsForUser retrieves all audit logs for a given user ID
-func (s *AuditLogService) ListAuditLogsForUser(ctx context.Context, userID string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.AuditLog, utils.PaginationResponse, error) {
+func (s *AuditLogService) ListAuditLogsForUser(ctx context.Context, userID string, listRequestOptions utils.ListRequestOptions) ([]model.AuditLog, utils.PaginationResponse, error) {
 	var logs []model.AuditLog
 	query := s.db.
 		WithContext(ctx).
 		Model(&model.AuditLog{}).
 		Where("user_id = ?", userID)

-	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &logs)
+	pagination, err := utils.PaginateFilterAndSort(listRequestOptions, query, &logs)
 	return logs, pagination, err
 }

@@ -148,7 +151,7 @@ func (s *AuditLogService) DeviceStringFromUserAgent(userAgent string) string {
 	return ua.Name + " on " + ua.OS + " " + ua.OSVersion
 }

-func (s *AuditLogService) ListAllAuditLogs(ctx context.Context, sortedPaginationRequest utils.SortedPaginationRequest, filters dto.AuditLogFilterDto) ([]model.AuditLog, utils.PaginationResponse, error) {
+func (s *AuditLogService) ListAllAuditLogs(ctx context.Context, listRequestOptions utils.ListRequestOptions) ([]model.AuditLog, utils.PaginationResponse, error) {
 	var logs []model.AuditLog

 	query := s.db.
@@ -156,33 +159,36 @@ func (s *AuditLogService) ListAllAuditLogs(ctx context.Context, sortedPagination
 		Preload("User").
 		Model(&model.AuditLog{})

-	if filters.UserID != "" {
-		query = query.Where("user_id = ?", filters.UserID)
-	}
-	if filters.Event != "" {
-		query = query.Where("event = ?", filters.Event)
-	}
-	if filters.ClientName != "" {
+	if clientName, ok := listRequestOptions.Filters["clientName"]; ok {
 		dialect := s.db.Name()
 		switch dialect {
 		case "sqlite":
-			query = query.Where("json_extract(data, '$.clientName') = ?", filters.ClientName)
+			query = query.Where("json_extract(data, '$.clientName') IN ?", clientName)
 		case "postgres":
-			query = query.Where("data->>'clientName' = ?", filters.ClientName)
+			query = query.Where("data->>'clientName' IN ?", clientName)
 		default:
 			return nil, utils.PaginationResponse{}, fmt.Errorf("unsupported database dialect: %s", dialect)
 		}
 	}
-	if filters.Location != "" {
-		switch filters.Location {
-		case "external":
-			query = query.Where("country != 'Internal Network'")
-		case "internal":
-			query = query.Where("country = 'Internal Network'")
+
+	if locations, ok := listRequestOptions.Filters["location"]; ok {
+		mapped := make([]string, 0, len(locations))
+		for _, v := range locations {
+			if s, ok := v.(string); ok {
+				switch s {
+				case "internal":
+					mapped = append(mapped, "Internal Network")
+				case "external":
+					mapped = append(mapped, "External Network")
+				}
+			}
+		}
+		if len(mapped) > 0 {
+			query = query.Where("country IN ?", mapped)
 		}
 	}

-	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &logs)
+	pagination, err := utils.PaginateFilterAndSort(listRequestOptions, query, &logs)
 	if err != nil {
 		return nil, pagination, err
 	}
@@ -195,8 +201,8 @@ func (s *AuditLogService) ListUsernamesWithIds(ctx context.Context) (users map[s
 		WithContext(ctx).
 		Joins("User").
 		Model(&model.AuditLog{}).
-		Select("DISTINCT \"User\".id, \"User\".username").
-		Where("\"User\".username IS NOT NULL")
+		Select(`DISTINCT "User".id, "User".username`).
+		Where(`"User".username IS NOT NULL`)

 	type Result struct {
 		ID       string `gorm:"column:id"`
@@ -204,7 +210,8 @@ func (s *AuditLogService) ListUsernamesWithIds(ctx context.Context) (users map[s
 	}

 	var results []Result
-	if err := query.Find(&results).Error; err != nil {
+	err = query.Find(&results).Error
+	if err != nil {
 		return nil, fmt.Errorf("failed to query user IDs: %w", err)
 	}

@@ -240,7 +247,8 @@ func (s *AuditLogService) ListClientNames(ctx context.Context) (clientNames []st
 	}

 	var results []Result
-	if err := query.Find(&results).Error; err != nil {
+	err = query.Find(&results).Error
+	if err != nil {
 		return nil, fmt.Errorf("failed to query client IDs: %w", err)
 	}

--- a/backend/internal/service/e2etest_service.go
+++ b/backend/internal/service/e2etest_service.go
@@ -7,15 +7,12 @@ import (
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
-	"crypto/x509"
 	"encoding/base64"
 	"fmt"
 	"log/slog"
-	"os"
-	"path/filepath"
+	"path"
 	"time"

-	"github.com/fxamacker/cbor/v2"
 	"github.com/go-webauthn/webauthn/protocol"
 	"github.com/lestrrat-go/jwx/v3/jwa"
 	"github.com/lestrrat-go/jwx/v3/jwk"
@@ -25,6 +22,7 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	jwkutils "github.com/pocket-id/pocket-id/backend/internal/utils/jwk"
 	"github.com/pocket-id/pocket-id/backend/resources"
@@ -35,15 +33,19 @@ type TestService struct {
 	jwtService       *JwtService
 	appConfigService *AppConfigService
 	ldapService      *LdapService
+	fileStorage      storage.FileStorage
+	appLockService   *AppLockService
 	externalIdPKey   jwk.Key
 }

-func NewTestService(db *gorm.DB, appConfigService *AppConfigService, jwtService *JwtService, ldapService *LdapService) (*TestService, error) {
+func NewTestService(db *gorm.DB, appConfigService *AppConfigService, jwtService *JwtService, ldapService *LdapService, appLockService *AppLockService, fileStorage storage.FileStorage) (*TestService, error) {
 	s := &TestService{
 		db:               db,
 		appConfigService: appConfigService,
 		jwtService:       jwtService,
 		ldapService:      ldapService,
+		appLockService:   appLockService,
+		fileStorage:      fileStorage,
 	}
 	err := s.initExternalIdP()
 	if err != nil {
@@ -79,7 +81,7 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 					ID: "f4b89dc2-62fb-46bf-9f5f-c34f4eafe93e",
 				},
 				Username:    "tim",
-				Email:       "tim.cook@test.com",
+				Email:       utils.Ptr("tim.cook@test.com"),
 				FirstName:   "Tim",
 				LastName:    "Cook",
 				DisplayName: "Tim Cook",
@@ -90,12 +92,23 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 					ID: "1cd19686-f9a6-43f4-a41f-14a0bf5b4036",
 				},
 				Username:    "craig",
-				Email:       "craig.federighi@test.com",
+				Email:       utils.Ptr("craig.federighi@test.com"),
 				FirstName:   "Craig",
 				LastName:    "Federighi",
 				DisplayName: "Craig Federighi",
 				IsAdmin:     false,
 			},
+			{
+				Base: model.Base{
+					ID: "d9256384-98ad-49a7-bc58-99ad0b4dc23c",
+				},
+				Username:    "eddy",
+				Email:       utils.Ptr("eddy.cue@test.com"),
+				FirstName:   "Eddy",
+				LastName:    "Cue",
+				DisplayName: "Eddy Cue",
+				IsAdmin:     false,
+			},
 		}
 		for _, user := range users {
 			if err := tx.Create(&user).Error; err != nil {
@@ -167,10 +180,11 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 				Base: model.Base{
 					ID: "606c7782-f2b1-49e5-8ea9-26eb1b06d018",
 				},
-				Name:         "Immich",
-				Secret:       "$2a$10$Ak.FP8riD1ssy2AGGbG.gOpnp/rBpymd74j0nxNMtW0GG1Lb4gzxe", // PYjrE9u4v9GVqXKi52eur0eb2Ci4kc0x
-				CallbackURLs: model.UrlList{"http://immich/auth/callback"},
-				CreatedByID:  utils.Ptr(users[1].ID),
+				Name:              "Immich",
+				Secret:            "$2a$10$Ak.FP8riD1ssy2AGGbG.gOpnp/rBpymd74j0nxNMtW0GG1Lb4gzxe", // PYjrE9u4v9GVqXKi52eur0eb2Ci4kc0x
+				CallbackURLs:      model.UrlList{"http://immich/auth/callback"},
+				CreatedByID:       utils.Ptr(users[1].ID),
+				IsGroupRestricted: true,
 				AllowedUserGroups: []model.UserGroup{
 					userGroups[1],
 				},
@@ -183,6 +197,7 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 				Secret:             "$2a$10$xcRReBsvkI1XI6FG8xu/pOgzeF00bH5Wy4d/NThwcdi3ZBpVq/B9a", // n4VfQeXlTzA6yKpWbR9uJcMdSx2qH0Lo
 				CallbackURLs:       model.UrlList{"http://tailscale/auth/callback"},
 				LogoutCallbackURLs: model.UrlList{"http://tailscale/auth/logout/callback"},
+				IsGroupRestricted:  true,
 				CreatedByID:        utils.Ptr(users[0].ID),
 			},
 			{
@@ -205,6 +220,20 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 					},
 				},
 			},
+			{
+				Base: model.Base{
+					ID: "c46d2090-37a0-4f2b-8748-6aa53b0c1afa",
+				},
+				Name:              "SCIM Client",
+				Secret:            "$2a$10$h4wfa8gI7zavDAxwzSq1sOwYU4e8DwK1XZ8ZweNnY5KzlJ3Iz.qdK", // nQbiuMRG7FpdK2EnDd5MBivWQeKFXohn
+				CallbackURLs:      model.UrlList{"http://scimclient/auth/callback"},
+				CreatedByID:       utils.Ptr(users[0].ID),
+				IsGroupRestricted: true,
+				AllowedUserGroups: []model.UserGroup{
+					userGroups[0],
+					userGroups[1],
+				},
+			},
 		}
 		for _, client := range oidcClients {
 			if err := tx.Create(&client).Error; err != nil {
@@ -286,8 +315,8 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 		// openssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:P-256 | \
 		// openssl pkcs8 -topk8 -nocrypt | tee >(openssl pkey -pubout)

-		publicKeyPasskey1, _ := s.getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEwcOo5KV169KR67QEHrcYkeXE3CCxv2BgwnSq4VYTQxyLtdmKxegexa8JdwFKhKXa2BMI9xaN15BoL6wSCRFJhg==")
-		publicKeyPasskey2, _ := s.getCborPublicKey("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEj4qA0PrZzg8Co1C27nyUbzrp8Ewjr7eOlGI2LfrzmbL5nPhZRAdJ3hEaqrHMSnJBhfMqtQGKwDYpaLIQFAKLhw==")
+		publicKeyPasskey1, _ := base64.StdEncoding.DecodeString("pQMmIAEhWCDBw6jkpXXr0pHrtAQetxiR5cTcILG/YGDCdKrhVhNDHCJYIIu12YrF6B7Frwl3AUqEpdrYEwj3Fo3XkGgvrBIJEUmGAQI=")
+		publicKeyPasskey2, _ := base64.StdEncoding.DecodeString("pSJYIPmc+FlEB0neERqqscxKckGF8yq1AYrANiloshAUAouHAQIDJiABIVggj4qA0PrZzg8Co1C27nyUbzrp8Ewjr7eOlGI2LfrzmbI=")
 		webauthnCredentials := []model.WebauthnCredential{
 			{
 				Name:            "Passkey 1",
@@ -316,6 +345,10 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 			Challenge:        "challenge",
 			ExpiresAt:        datatype.DateTime(time.Now().Add(1 * time.Hour)),
 			UserVerification: "preferred",
+			CredentialParams: model.CredentialParameters{
+				{Type: "public-key", Algorithm: -7},
+				{Type: "public-key", Algorithm: -257},
+			},
 		}
 		if err := tx.Create(&webauthnSession).Error; err != nil {
 			return err
@@ -325,9 +358,10 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 			Base: model.Base{
 				ID: "5f1fa856-c164-4295-961e-175a0d22d725",
 			},
-			Name:   "Test API Key",
-			Key:    "6c34966f57ef2bb7857649aff0e7ab3ad67af93c846342ced3f5a07be8706c20",
-			UserID: users[0].ID,
+			Name:      "Test API Key",
+			Key:       "6c34966f57ef2bb7857649aff0e7ab3ad67af93c846342ced3f5a07be8706c20",
+			UserID:    users[0].ID,
+			ExpiresAt: datatype.DateTime(time.Now().Add(30 * 24 * time.Hour)),
 		}
 		if err := tx.Create(&apiKey).Error; err != nil {
 			return err
@@ -342,6 +376,9 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 				ExpiresAt:  datatype.DateTime(time.Now().Add(24 * time.Hour)),
 				UsageLimit: 1,
 				UsageCount: 0,
+				UserGroups: []model.UserGroup{
+					userGroups[0],
+				},
 			},
 			{
 				Base: model.Base{
@@ -377,6 +414,20 @@ func (s *TestService) SeedDatabase(baseURL string) error {
 			}
 		}

+		keyValues := []model.KV{
+			{
+				Key: jwkutils.PrivateKeyDBKey,
+				// {"alg":"RS256","d":"mvMDWSdPPvcum0c0iEHE2gbqtV2NKMmLwrl9E6K7g8lTV95SePLnW_bwyMPV7EGp7PQk3l17I5XRhFjze7GqTnFIOgKzMianPs7jv2ELtBMGK0xOPATgu1iGb70xZ6vcvuEfRyY3dJ0zr4jpUdVuXwKmx9rK4IdZn2dFCKfvSuspqIpz11RhF1ALrqDLkxGVv7ZwNh0_VhJZU9hcjG5l6xc7rQEKpPRkZp0IdjkGS8Z0FskoVaiRIWAbZuiVFB9WCW8k1czC4HQTPLpII01bUQx2ludbm0UlXRgVU9ptUUbU7GAImQqTOW8LfPGklEvcgzlIlR_oqw4P9yBxLi-yMQ","dp":"pvNCSnnhbo8Igw9psPR-DicxFnkXlu_ix4gpy6efTrxA-z1VDFDioJ814vKQNioYDzpyAP1gfMPhRkvG_q0hRZsJah3Sb9dfA-WkhSWY7lURQP4yIBTMU0PF_rEATuS7lRciYk1SOx5fqXZd3m_LP0vpBC4Ujlq6NAq6CIjCnms","dq":"TtUVGCCkPNgfOLmkYXu7dxxUCV5kB01-xAEK2OY0n0pG8vfDophH4_D_ZC7nvJ8J9uDhs_3JStexq1lIvaWtG99RNTChIEDzpdn6GH9yaVcb_eB4uJjrNm64FhF8PGCCwxA-xMCZMaARKwhMB2_IOMkxUbWboL3gnhJ2rDO_QO0","e":"AQAB","kid":"8uHDw3M6rf8","kty":"RSA","n":"yaeEL0VKoPBXIAaWXsUgmu05lAvEIIdJn0FX9lHh4JE5UY9B83C5sCNdhs9iSWzpeP11EVjWp8i3Yv2CF7c7u50BXnVBGtxpZpFC-585UXacoJ0chUmarL9GRFJcM1nPHBTFu68aRrn1rIKNHUkNaaxFo0NFGl_4EDDTO8HwawTjwkPoQlRzeByhlvGPVvwgB3Fn93B8QJ_cZhXKxJvjjrC_8Pk76heC_ntEMru71Ix77BoC3j2TuyiN7m9RNBW8BU5q6lKoIdvIeZfTFLzi37iufyfvMrJTixp9zhNB1NxlLCeOZl2MXegtiGqd2H3cbAyqoOiv9ihUWTfXj7SxJw","p":"_Yylc9e07CKdqNRD2EosMC2mrhrEa9j5oY_l00Qyy4-jmCA59Q9viyqvveRo0U7cRvFA5BWgWN6GGLh1DG3X-QBqVr0dnk3uzbobb55RYUXyPLuBZI2q6w2oasbiDwPdY7KpkVv_H-bpITQlyDvO8hhucA6rUV7F6KTQVz8M3Ms","q":"y5p3hch-7jJ21TkAhp_Vk1fLCAuD4tbErwQs2of9ja8sB4iJOs5Wn6HD3P7Mc8Plye7qaLHvzc8I5g0tPKWvC0DPd_FLPXiWwMVAzee3NUX_oGeJNOQp11y1w_KqdO9qZqHSEPZ3NcFL_SZMFgggxhM1uzRiPzsVN0lnD_6prZU","qi":"2Grt6uXHm61ji3xSdkBWNtUnj19vS1-7rFJp5SoYztVQVThf_W52BAiXKBdYZDRVoItC_VS2NvAOjeJjhYO_xQ_q3hK7MdtuXfEPpLnyXKkmWo3lrJ26wbeF6l05LexCkI7ShsOuSt-dsyaTJTszuKDIA6YOfWvfo3aVZmlWRaI","use":"sig"}
+				Value: utils.Ptr("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"),
+			},
+		}
+
+		for _, kv := range keyValues {
+			if err := tx.Create(&kv).Error; err != nil {
+				return err
+			}
+		}
+
 		return nil
 	})

@@ -424,8 +475,9 @@ func (s *TestService) ResetDatabase() error {
 }

 func (s *TestService) ResetApplicationImages(ctx context.Context) error {
-	if err := os.RemoveAll(common.EnvConfig.UploadPath); err != nil {
-		slog.ErrorContext(ctx, "Error removing directory", slog.Any("error", err))
+	err := s.fileStorage.DeleteAll(ctx, "/")
+	if err != nil {
+		slog.ErrorContext(ctx, "Error removing uploads", slog.Any("error", err))
 		return err
 	}

@@ -435,13 +487,20 @@ func (s *TestService) ResetApplicationImages(ctx context.Context) error {
 	}

 	for _, file := range files {
-		srcFilePath := filepath.Join("images", file.Name())
-		destFilePath := filepath.Join(common.EnvConfig.UploadPath, "application-images", file.Name())
-
-		err := utils.CopyEmbeddedFileToDisk(srcFilePath, destFilePath)
+		if file.IsDir() {
+			continue
+		}
+		srcFilePath := path.Join("images", file.Name())
+		srcFile, err := resources.FS.Open(srcFilePath)
 		if err != nil {
 			return err
 		}
+		err = s.fileStorage.Save(ctx, path.Join("application-images", file.Name()), srcFile)
+		if err != nil {
+			srcFile.Close()
+			return err
+		}
+		srcFile.Close()
 	}

 	return nil
@@ -454,47 +513,29 @@ func (s *TestService) ResetAppConfig(ctx context.Context) error {
 		return err
 	}

+	// Manually set instance ID
+	err = s.appConfigService.UpdateAppConfigValues(ctx, "instanceId", "test-instance-id")
+	if err != nil {
+		return err
+	}
+
 	// Reload the app config from the database after resetting the values
-	return s.appConfigService.LoadDbConfig(ctx)
+	err = s.appConfigService.LoadDbConfig(ctx)
+	if err != nil {
+		return err
+	}
+
+	// Reload the JWK
+	if err := s.jwtService.LoadOrGenerateKey(); err != nil {
+		return err
+	}
+
+	return nil
 }

-func (s *TestService) SetJWTKeys() {
-	const privateKeyString = `{"alg":"RS256","d":"mvMDWSdPPvcum0c0iEHE2gbqtV2NKMmLwrl9E6K7g8lTV95SePLnW_bwyMPV7EGp7PQk3l17I5XRhFjze7GqTnFIOgKzMianPs7jv2ELtBMGK0xOPATgu1iGb70xZ6vcvuEfRyY3dJ0zr4jpUdVuXwKmx9rK4IdZn2dFCKfvSuspqIpz11RhF1ALrqDLkxGVv7ZwNh0_VhJZU9hcjG5l6xc7rQEKpPRkZp0IdjkGS8Z0FskoVaiRIWAbZuiVFB9WCW8k1czC4HQTPLpII01bUQx2ludbm0UlXRgVU9ptUUbU7GAImQqTOW8LfPGklEvcgzlIlR_oqw4P9yBxLi-yMQ","dp":"pvNCSnnhbo8Igw9psPR-DicxFnkXlu_ix4gpy6efTrxA-z1VDFDioJ814vKQNioYDzpyAP1gfMPhRkvG_q0hRZsJah3Sb9dfA-WkhSWY7lURQP4yIBTMU0PF_rEATuS7lRciYk1SOx5fqXZd3m_LP0vpBC4Ujlq6NAq6CIjCnms","dq":"TtUVGCCkPNgfOLmkYXu7dxxUCV5kB01-xAEK2OY0n0pG8vfDophH4_D_ZC7nvJ8J9uDhs_3JStexq1lIvaWtG99RNTChIEDzpdn6GH9yaVcb_eB4uJjrNm64FhF8PGCCwxA-xMCZMaARKwhMB2_IOMkxUbWboL3gnhJ2rDO_QO0","e":"AQAB","kid":"8uHDw3M6rf8","kty":"RSA","n":"yaeEL0VKoPBXIAaWXsUgmu05lAvEIIdJn0FX9lHh4JE5UY9B83C5sCNdhs9iSWzpeP11EVjWp8i3Yv2CF7c7u50BXnVBGtxpZpFC-585UXacoJ0chUmarL9GRFJcM1nPHBTFu68aRrn1rIKNHUkNaaxFo0NFGl_4EDDTO8HwawTjwkPoQlRzeByhlvGPVvwgB3Fn93B8QJ_cZhXKxJvjjrC_8Pk76heC_ntEMru71Ix77BoC3j2TuyiN7m9RNBW8BU5q6lKoIdvIeZfTFLzi37iufyfvMrJTixp9zhNB1NxlLCeOZl2MXegtiGqd2H3cbAyqoOiv9ihUWTfXj7SxJw","p":"_Yylc9e07CKdqNRD2EosMC2mrhrEa9j5oY_l00Qyy4-jmCA59Q9viyqvveRo0U7cRvFA5BWgWN6GGLh1DG3X-QBqVr0dnk3uzbobb55RYUXyPLuBZI2q6w2oasbiDwPdY7KpkVv_H-bpITQlyDvO8hhucA6rUV7F6KTQVz8M3Ms","q":"y5p3hch-7jJ21TkAhp_Vk1fLCAuD4tbErwQs2of9ja8sB4iJOs5Wn6HD3P7Mc8Plye7qaLHvzc8I5g0tPKWvC0DPd_FLPXiWwMVAzee3NUX_oGeJNOQp11y1w_KqdO9qZqHSEPZ3NcFL_SZMFgggxhM1uzRiPzsVN0lnD_6prZU","qi":"2Grt6uXHm61ji3xSdkBWNtUnj19vS1-7rFJp5SoYztVQVThf_W52BAiXKBdYZDRVoItC_VS2NvAOjeJjhYO_xQ_q3hK7MdtuXfEPpLnyXKkmWo3lrJ26wbeF6l05LexCkI7ShsOuSt-dsyaTJTszuKDIA6YOfWvfo3aVZmlWRaI","use":"sig"}`
-
-	privateKey, _ := jwk.ParseKey([]byte(privateKeyString))
-	_ = s.jwtService.SetKey(privateKey)
-}
-
-// getCborPublicKey decodes a Base64 encoded public key and returns the CBOR encoded COSE key
-func (s *TestService) getCborPublicKey(base64PublicKey string) ([]byte, error) {
-	decodedKey, err := base64.StdEncoding.DecodeString(base64PublicKey)
-	if err != nil {
-		return nil, fmt.Errorf("failed to decode base64 key: %w", err)
-	}
-	pubKey, err := x509.ParsePKIXPublicKey(decodedKey)
-	if err != nil {
-		return nil, fmt.Errorf("failed to parse public key: %w", err)
-	}
-
-	ecdsaPubKey, ok := pubKey.(*ecdsa.PublicKey)
-	if !ok {
-		return nil, fmt.Errorf("not an ECDSA public key")
-	}
-
-	coseKey := map[int]interface{}{
-		1:  2,                     // Key type: EC2
-		3:  -7,                    // Algorithm: ECDSA with SHA-256
-		-1: 1,                     // Curve: P-256
-		-2: ecdsaPubKey.X.Bytes(), // X coordinate
-		-3: ecdsaPubKey.Y.Bytes(), // Y coordinate
-	}
-
-	cborPublicKey, err := cbor.Marshal(coseKey)
-	if err != nil {
-		return nil, fmt.Errorf("failed to marshal COSE key: %w", err)
-	}
-
-	return cborPublicKey, nil
+func (s *TestService) ResetLock(ctx context.Context) error {
+	_, err := s.appLockService.Acquire(ctx, true)
+	return err
 }

 // SyncLdap triggers an LDAP synchronization
@@ -521,7 +562,7 @@ func (s *TestService) SetLdapTestConfig(ctx context.Context) error {
 			"ldapAttributeGroupUniqueIdentifier": "uuid",
 			"ldapAttributeGroupName":             "uid",
 			"ldapAttributeGroupMember":           "member",
-			"ldapAttributeAdminGroup":            "admin_group",
+			"ldapAdminGroupName":                 "admin_group",
 			"ldapSoftDeleteUsers":                "true",
 			"ldapEnabled":                        "true",
 		}
--- a/backend/internal/service/email_service.go
+++ b/backend/internal/service/email_service.go
@@ -62,9 +62,13 @@ func (srv *EmailService) SendTestEmail(ctx context.Context, recipientUserId stri
 		return err
 	}

+	if user.Email == nil {
+		return &common.UserEmailNotSetError{}
+	}
+
 	return SendEmail(ctx, srv,
 		email.Address{
-			Email: user.Email,
+			Email: *user.Email,
 			Name:  user.FullName(),
 		}, TestTemplate, nil)
 }
@@ -74,7 +78,7 @@ func SendEmail[V any](ctx context.Context, srv *EmailService, toEmail email.Addr

 	data := &email.TemplateData[V]{
 		AppName: dbConfig.AppName.Value,
-		LogoURL: common.EnvConfig.AppURL + "/api/application-images/logo",
+		LogoURL: common.EnvConfig.AppURL + "/api/application-images/email",
 		Data:    tData,
 	}

@@ -278,16 +282,18 @@ func prepareBody[V any](srv *EmailService, template email.Template[V], data *ema

 	var htmlHeader = textproto.MIMEHeader{}
 	htmlHeader.Add("Content-Type", "text/html; charset=UTF-8")
-	htmlHeader.Add("Content-Transfer-Encoding", "8bit")
+	htmlHeader.Add("Content-Transfer-Encoding", "quoted-printable")
 	htmlPart, err := mpart.CreatePart(htmlHeader)
 	if err != nil {
 		return "", "", fmt.Errorf("create html part: %w", err)
 	}

-	err = email.GetTemplate(srv.htmlTemplates, template).ExecuteTemplate(htmlPart, "root", data)
+	htmlQp := quotedprintable.NewWriter(htmlPart)
+	err = email.GetTemplate(srv.htmlTemplates, template).ExecuteTemplate(htmlQp, "root", data)
 	if err != nil {
 		return "", "", fmt.Errorf("execute html template: %w", err)
 	}
+	htmlQp.Close()

 	err = mpart.Close()
 	if err != nil {
--- a/backend/internal/service/export_service.go
+++ b/backend/internal/service/export_service.go
@@ -0,0 +1,217 @@
+package service
+
+import (
+	"archive/zip"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"path/filepath"
+
+	"gorm.io/gorm"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+// ExportService handles exporting Pocket ID data into a ZIP archive.
+type ExportService struct {
+	db      *gorm.DB
+	storage storage.FileStorage
+}
+
+func NewExportService(db *gorm.DB, storage storage.FileStorage) *ExportService {
+	return &ExportService{
+		db:      db,
+		storage: storage,
+	}
+}
+
+// ExportToZip performs the full export process and writes the ZIP data to the given writer.
+func (s *ExportService) ExportToZip(ctx context.Context, w io.Writer) error {
+	dbData, err := s.extractDatabase()
+	if err != nil {
+		return err
+	}
+
+	return s.writeExportZipStream(ctx, w, dbData)
+}
+
+// extractDatabase reads all tables into a DatabaseExport struct
+func (s *ExportService) extractDatabase() (DatabaseExport, error) {
+	schema, err := utils.LoadDBSchemaTypes(s.db)
+	if err != nil {
+		return DatabaseExport{}, fmt.Errorf("failed to load schema types: %w", err)
+	}
+
+	version, err := s.schemaVersion()
+	if err != nil {
+		return DatabaseExport{}, err
+	}
+
+	out := DatabaseExport{
+		Provider: s.db.Name(),
+		Version:  version,
+		Tables:   map[string][]map[string]any{},
+		// These tables need to be inserted in a specific order because of foreign key constraints
+		// Not all tables are listed here, because not all tables are order-dependent
+		TableOrder: []string{"users", "user_groups", "oidc_clients", "signup_tokens"},
+	}
+
+	for table := range schema {
+		if table == "storage" || table == "schema_migrations" {
+			continue
+		}
+		err = s.dumpTable(table, schema[table], &out)
+		if err != nil {
+			return DatabaseExport{}, err
+		}
+	}
+
+	return out, nil
+}
+
+func (s *ExportService) schemaVersion() (uint, error) {
+	var version uint
+	if err := s.db.Raw("SELECT version FROM schema_migrations").Row().Scan(&version); err != nil {
+		return 0, fmt.Errorf("failed to query schema version: %w", err)
+	}
+	return version, nil
+}
+
+// dumpTable selects all rows from a table and appends them to out.Tables
+func (s *ExportService) dumpTable(table string, types utils.DBSchemaTableTypes, out *DatabaseExport) error {
+	rows, err := s.db.Raw("SELECT * FROM " + table).Rows()
+	if err != nil {
+		return fmt.Errorf("failed to read table %s: %w", table, err)
+	}
+	defer rows.Close()
+
+	cols, _ := rows.Columns()
+	if len(cols) != len(types) {
+		// Should never happen...
+		return fmt.Errorf("mismatched columns in table (%d) and schema (%d)", len(cols), len(types))
+	}
+
+	for rows.Next() {
+		vals := s.getScanValuesForTable(cols, types)
+		err = rows.Scan(vals...)
+		if err != nil {
+			return fmt.Errorf("failed to scan row in table %s: %w", table, err)
+		}
+
+		rowMap := make(map[string]any, len(cols))
+		for i, col := range cols {
+			rowMap[col] = vals[i]
+		}
+
+		// Skip the app lock row in the kv table
+		if table == "kv" {
+			if keyPtr, ok := rowMap["key"].(*string); ok && keyPtr != nil && *keyPtr == lockKey {
+				continue
+			}
+		}
+
+		out.Tables[table] = append(out.Tables[table], rowMap)
+	}
+
+	return rows.Err()
+}
+
+func (s *ExportService) getScanValuesForTable(cols []string, types utils.DBSchemaTableTypes) []any {
+	res := make([]any, len(cols))
+	for i, col := range cols {
+		// Store a pointer
+		// Note: don't create a helper function for this switch, because it would return type "any" and mess everything up
+		// If the column is nullable, we need a pointer to a pointer!
+		switch types[col].Name {
+		case "boolean", "bool":
+			var x bool
+			if types[col].Nullable {
+				res[i] = utils.Ptr(utils.Ptr(x))
+			} else {
+				res[i] = utils.Ptr(x)
+			}
+		case "blob", "bytea", "jsonb":
+			// Treat jsonb columns as binary too
+			var x []byte
+			if types[col].Nullable {
+				res[i] = utils.Ptr(utils.Ptr(x))
+			} else {
+				res[i] = utils.Ptr(x)
+			}
+		case "timestamp", "timestamptz", "timestamp with time zone", "datetime":
+			var x datatype.DateTime
+			if types[col].Nullable {
+				res[i] = utils.Ptr(utils.Ptr(x))
+			} else {
+				res[i] = utils.Ptr(x)
+			}
+		case "integer", "int", "bigint":
+			var x int64
+			if types[col].Nullable {
+				res[i] = utils.Ptr(utils.Ptr(x))
+			} else {
+				res[i] = utils.Ptr(x)
+			}
+		default:
+			// Treat everything else as a string (including the "numeric" type)
+			var x string
+			if types[col].Nullable {
+				res[i] = utils.Ptr(utils.Ptr(x))
+			} else {
+				res[i] = utils.Ptr(x)
+			}
+		}
+	}
+
+	return res
+}
+
+func (s *ExportService) writeExportZipStream(ctx context.Context, w io.Writer, dbData DatabaseExport) error {
+	zipWriter := zip.NewWriter(w)
+
+	// Add database.json
+	jsonWriter, err := zipWriter.Create("database.json")
+	if err != nil {
+		return fmt.Errorf("failed to create database.json in zip: %w", err)
+	}
+
+	jsonEncoder := json.NewEncoder(jsonWriter)
+	jsonEncoder.SetEscapeHTML(false)
+
+	if err := jsonEncoder.Encode(dbData); err != nil {
+		return fmt.Errorf("failed to encode database.json: %w", err)
+	}
+
+	// Add uploaded files
+	if err := s.addUploadsToZip(ctx, zipWriter); err != nil {
+		return err
+	}
+
+	return zipWriter.Close()
+}
+
+// addUploadsToZip adds all files from the storage to the ZIP archive under the "uploads/" directory
+func (s *ExportService) addUploadsToZip(ctx context.Context, zipWriter *zip.Writer) error {
+	return s.storage.Walk(ctx, "/", func(p storage.ObjectInfo) error {
+		zipPath := filepath.Join("uploads", p.Path)
+
+		w, err := zipWriter.Create(zipPath)
+		if err != nil {
+			return fmt.Errorf("failed to create zip entry for %s: %w", zipPath, err)
+		}
+
+		f, _, err := s.storage.Open(ctx, p.Path)
+		if err != nil {
+			return fmt.Errorf("failed to open file %s: %w", zipPath, err)
+		}
+		defer f.Close()
+
+		if _, err := io.Copy(w, f); err != nil {
+			return fmt.Errorf("failed to copy file %s into zip: %w", zipPath, err)
+		}
+		return nil
+	})
+}
--- a/backend/internal/service/geolite_service.go
+++ b/backend/internal/service/geolite_service.go
@@ -13,35 +13,19 @@ import (
 	"net/netip"
 	"os"
 	"path/filepath"
-	"strings"
 	"sync"
 	"time"

 	"github.com/oschwald/maxminddb-golang/v2"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
 )

 type GeoLiteService struct {
-	httpClient      *http.Client
-	disableUpdater  bool
-	mutex           sync.RWMutex
-	localIPv6Ranges []*net.IPNet
-}
-
-var localhostIPNets = []*net.IPNet{
-	{IP: net.IPv4(127, 0, 0, 0), Mask: net.CIDRMask(8, 32)}, // 127.0.0.0/8
-	{IP: net.IPv6loopback, Mask: net.CIDRMask(128, 128)},    // ::1/128
-}
-
-var privateLanIPNets = []*net.IPNet{
-	{IP: net.IPv4(10, 0, 0, 0), Mask: net.CIDRMask(8, 32)},     // 10.0.0.0/8
-	{IP: net.IPv4(172, 16, 0, 0), Mask: net.CIDRMask(12, 32)},  // 172.16.0.0/12
-	{IP: net.IPv4(192, 168, 0, 0), Mask: net.CIDRMask(16, 32)}, // 192.168.0.0/16
-}
-
-var tailscaleIPNets = []*net.IPNet{
-	{IP: net.IPv4(100, 64, 0, 0), Mask: net.CIDRMask(10, 32)}, // 100.64.0.0/10
+	httpClient     *http.Client
+	disableUpdater bool
+	mutex          sync.RWMutex
 }

 // NewGeoLiteService initializes a new GeoLiteService instance and starts a goroutine to update the GeoLite2 City database.
@@ -56,67 +40,9 @@ func NewGeoLiteService(httpClient *http.Client) *GeoLiteService {
 		service.disableUpdater = true
 	}

-	// Initialize IPv6 local ranges
-	err := service.initializeIPv6LocalRanges()
-	if err != nil {
-		slog.Warn("Failed to initialize IPv6 local ranges", slog.Any("error", err))
-	}
-
 	return service
 }

-// initializeIPv6LocalRanges parses the LOCAL_IPV6_RANGES environment variable
-func (s *GeoLiteService) initializeIPv6LocalRanges() error {
-	rangesEnv := common.EnvConfig.LocalIPv6Ranges
-	if rangesEnv == "" {
-		return nil // No local IPv6 ranges configured
-	}
-
-	ranges := strings.Split(rangesEnv, ",")
-	localRanges := make([]*net.IPNet, 0, len(ranges))
-
-	for _, rangeStr := range ranges {
-		rangeStr = strings.TrimSpace(rangeStr)
-		if rangeStr == "" {
-			continue
-		}
-
-		_, ipNet, err := net.ParseCIDR(rangeStr)
-		if err != nil {
-			return fmt.Errorf("invalid IPv6 range '%s': %w", rangeStr, err)
-		}
-
-		// Ensure it's an IPv6 range
-		if ipNet.IP.To4() != nil {
-			return fmt.Errorf("range '%s' is not a valid IPv6 range", rangeStr)
-		}
-
-		localRanges = append(localRanges, ipNet)
-	}
-
-	s.localIPv6Ranges = localRanges
-
-	if len(localRanges) > 0 {
-		slog.Info("Initialized IPv6 local ranges", slog.Int("count", len(localRanges)))
-	}
-	return nil
-}
-
-// isLocalIPv6 checks if the given IPv6 address is within any of the configured local ranges
-func (s *GeoLiteService) isLocalIPv6(ip net.IP) bool {
-	if ip.To4() != nil {
-		return false // Not an IPv6 address
-	}
-
-	for _, localRange := range s.localIPv6Ranges {
-		if localRange.Contains(ip) {
-			return true
-		}
-	}
-
-	return false
-}
-
 func (s *GeoLiteService) DisableUpdater() bool {
 	return s.disableUpdater
 }
@@ -129,26 +55,17 @@ func (s *GeoLiteService) GetLocationByIP(ipAddress string) (country, city string

 	// Check the IP address against known private IP ranges
 	if ip := net.ParseIP(ipAddress); ip != nil {
-		// Check IPv6 local ranges first
-		if s.isLocalIPv6(ip) {
+		if utils.IsLocalIPv6(ip) {
 			return "Internal Network", "LAN", nil
 		}
-
-		// Check existing IPv4 ranges
-		for _, ipNet := range tailscaleIPNets {
-			if ipNet.Contains(ip) {
-				return "Internal Network", "Tailscale", nil
-			}
+		if utils.IsTailscaleIP(ip) {
+			return "Internal Network", "Tailscale", nil
 		}
-		for _, ipNet := range privateLanIPNets {
-			if ipNet.Contains(ip) {
-				return "Internal Network", "LAN", nil
-			}
+		if utils.IsPrivateIP(ip) {
+			return "Internal Network", "LAN", nil
 		}
-		for _, ipNet := range localhostIPNets {
-			if ipNet.Contains(ip) {
-				return "Internal Network", "localhost", nil
-			}
+		if utils.IsLocalhostIP(ip) {
+			return "Internal Network", "localhost", nil
 		}
 	}

--- a/backend/internal/service/geolite_service_test.go
+++ b/backend/internal/service/geolite_service_test.go
@@ -1,220 +0,0 @@
-package service
-
-import (
-	"net"
-	"net/http"
-	"testing"
-
-	"github.com/pocket-id/pocket-id/backend/internal/common"
-	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
-)
-
-func TestGeoLiteService_IPv6LocalRanges(t *testing.T) {
-	tests := []struct {
-		name            string
-		localRanges     string
-		testIP          string
-		expectedCountry string
-		expectedCity    string
-		expectError     bool
-	}{
-		{
-			name:            "IPv6 in local range",
-			localRanges:     "2001:0db8:abcd:000::/56,2001:0db8:abcd:001::/56",
-			testIP:          "2001:0db8:abcd:000::1",
-			expectedCountry: "Internal Network",
-			expectedCity:    "LAN",
-			expectError:     false,
-		},
-		{
-			name:        "IPv6 not in local range",
-			localRanges: "2001:0db8:abcd:000::/56",
-			testIP:      "2001:0db8:ffff:000::1",
-			expectError: true,
-		},
-		{
-			name:            "Multiple ranges - second range match",
-			localRanges:     "2001:0db8:abcd:000::/56,2001:0db8:abcd:001::/56",
-			testIP:          "2001:0db8:abcd:001::1",
-			expectedCountry: "Internal Network",
-			expectedCity:    "LAN",
-			expectError:     false,
-		},
-		{
-			name:        "Empty local ranges",
-			localRanges: "",
-			testIP:      "2001:0db8:abcd:000::1",
-			expectError: true,
-		},
-		{
-			name:            "IPv4 private address still works",
-			localRanges:     "2001:0db8:abcd:000::/56",
-			testIP:          "192.168.1.1",
-			expectedCountry: "Internal Network",
-			expectedCity:    "LAN",
-			expectError:     false,
-		},
-		{
-			name:            "IPv6 loopback",
-			localRanges:     "2001:0db8:abcd:000::/56",
-			testIP:          "::1",
-			expectedCountry: "Internal Network",
-			expectedCity:    "localhost",
-			expectError:     false,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			originalConfig := common.EnvConfig.LocalIPv6Ranges
-			common.EnvConfig.LocalIPv6Ranges = tt.localRanges
-			defer func() {
-				common.EnvConfig.LocalIPv6Ranges = originalConfig
-			}()
-
-			service := NewGeoLiteService(&http.Client{})
-
-			country, city, err := service.GetLocationByIP(tt.testIP)
-
-			if tt.expectError {
-				if err == nil && country != "Internal Network" {
-					t.Errorf("Expected error or internal network classification for external IP")
-				}
-			} else {
-				require.NoError(t, err)
-				assert.Equal(t, tt.expectedCountry, country)
-				assert.Equal(t, tt.expectedCity, city)
-			}
-		})
-	}
-}
-
-func TestGeoLiteService_isLocalIPv6(t *testing.T) {
-	tests := []struct {
-		name        string
-		localRanges string
-		testIP      string
-		expected    bool
-	}{
-		{
-			name:        "Valid IPv6 in range",
-			localRanges: "2001:0db8:abcd:000::/56",
-			testIP:      "2001:0db8:abcd:000::1",
-			expected:    true,
-		},
-		{
-			name:        "Valid IPv6 not in range",
-			localRanges: "2001:0db8:abcd:000::/56",
-			testIP:      "2001:0db8:ffff:000::1",
-			expected:    false,
-		},
-		{
-			name:        "IPv4 address should return false",
-			localRanges: "2001:0db8:abcd:000::/56",
-			testIP:      "192.168.1.1",
-			expected:    false,
-		},
-		{
-			name:        "No ranges configured",
-			localRanges: "",
-			testIP:      "2001:0db8:abcd:000::1",
-			expected:    false,
-		},
-		{
-			name:        "Edge of range",
-			localRanges: "2001:0db8:abcd:000::/56",
-			testIP:      "2001:0db8:abcd:00ff:ffff:ffff:ffff:ffff",
-			expected:    true,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			originalConfig := common.EnvConfig.LocalIPv6Ranges
-			common.EnvConfig.LocalIPv6Ranges = tt.localRanges
-			defer func() {
-				common.EnvConfig.LocalIPv6Ranges = originalConfig
-			}()
-
-			service := NewGeoLiteService(&http.Client{})
-			ip := net.ParseIP(tt.testIP)
-			if ip == nil {
-				t.Fatalf("Invalid test IP: %s", tt.testIP)
-			}
-
-			result := service.isLocalIPv6(ip)
-			assert.Equal(t, tt.expected, result)
-		})
-	}
-}
-
-func TestGeoLiteService_initializeIPv6LocalRanges(t *testing.T) {
-	tests := []struct {
-		name        string
-		envValue    string
-		expectError bool
-		expectCount int
-	}{
-		{
-			name:        "Valid IPv6 ranges",
-			envValue:    "2001:0db8:abcd:000::/56,2001:0db8:abcd:001::/56",
-			expectError: false,
-			expectCount: 2,
-		},
-		{
-			name:        "Empty environment variable",
-			envValue:    "",
-			expectError: false,
-			expectCount: 0,
-		},
-		{
-			name:        "Invalid CIDR notation",
-			envValue:    "2001:0db8:abcd:000::/999",
-			expectError: true,
-			expectCount: 0,
-		},
-		{
-			name:        "IPv4 range in IPv6 env var",
-			envValue:    "192.168.1.0/24",
-			expectError: true,
-			expectCount: 0,
-		},
-		{
-			name:        "Mixed valid and invalid ranges",
-			envValue:    "2001:0db8:abcd:000::/56,invalid-range",
-			expectError: true,
-			expectCount: 0,
-		},
-		{
-			name:        "Whitespace handling",
-			envValue:    " 2001:0db8:abcd:000::/56 , 2001:0db8:abcd:001::/56 ",
-			expectError: false,
-			expectCount: 2,
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			originalConfig := common.EnvConfig.LocalIPv6Ranges
-			common.EnvConfig.LocalIPv6Ranges = tt.envValue
-			defer func() {
-				common.EnvConfig.LocalIPv6Ranges = originalConfig
-			}()
-
-			service := &GeoLiteService{
-				httpClient: &http.Client{},
-			}
-
-			err := service.initializeIPv6LocalRanges()
-
-			if tt.expectError {
-				require.Error(t, err)
-			} else {
-				require.NoError(t, err)
-			}
-
-			assert.Len(t, service.localIPv6Ranges, tt.expectCount)
-		})
-	}
-}
--- a/backend/internal/service/import_service.go
+++ b/backend/internal/service/import_service.go
@@ -0,0 +1,272 @@
+package service
+
+import (
+	"archive/zip"
+	"bytes"
+	"context"
+	"encoding/base64"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"slices"
+	"strings"
+
+	"gorm.io/gorm"
+
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+)
+
+// ImportService handles importing Pocket ID data from an exported ZIP archive.
+type ImportService struct {
+	db      *gorm.DB
+	storage storage.FileStorage
+}
+
+type DatabaseExport struct {
+	Provider   string                      `json:"provider"`
+	Version    uint                        `json:"version"`
+	Tables     map[string][]map[string]any `json:"tables"`
+	TableOrder []string                    `json:"tableOrder"`
+}
+
+func NewImportService(db *gorm.DB, storage storage.FileStorage) *ImportService {
+	return &ImportService{
+		db:      db,
+		storage: storage,
+	}
+}
+
+// ImportFromZip performs the full import process from the given ZIP reader.
+func (s *ImportService) ImportFromZip(ctx context.Context, r *zip.Reader) error {
+	dbData, err := processZipDatabaseJson(r.File)
+	if err != nil {
+		return err
+	}
+
+	err = s.ImportDatabase(dbData)
+	if err != nil {
+		return err
+	}
+
+	err = s.importUploads(ctx, r.File)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// ImportDatabase only imports the database data from the given DatabaseExport struct.
+func (s *ImportService) ImportDatabase(dbData DatabaseExport) error {
+	err := s.resetSchema(dbData.Version)
+	if err != nil {
+		return err
+	}
+
+	err = s.insertData(dbData)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// processZipDatabaseJson extracts database.json from the ZIP archive
+func processZipDatabaseJson(files []*zip.File) (dbData DatabaseExport, err error) {
+	for _, f := range files {
+		if f.Name == "database.json" {
+			return parseDatabaseJsonStream(f)
+		}
+	}
+	return dbData, errors.New("database.json not found in the ZIP file")
+}
+
+func parseDatabaseJsonStream(f *zip.File) (dbData DatabaseExport, err error) {
+	rc, err := f.Open()
+	if err != nil {
+		return dbData, fmt.Errorf("failed to open database.json: %w", err)
+	}
+	defer rc.Close()
+
+	err = json.NewDecoder(rc).Decode(&dbData)
+	if err != nil {
+		return dbData, fmt.Errorf("failed to decode database.json: %w", err)
+	}
+
+	return dbData, nil
+}
+
+// importUploads imports files from the uploads/ directory in the ZIP archive
+func (s *ImportService) importUploads(ctx context.Context, files []*zip.File) error {
+	const maxFileSize = 50 << 20 // 50 MiB
+	const uploadsPrefix = "uploads/"
+
+	for _, f := range files {
+		if !strings.HasPrefix(f.Name, uploadsPrefix) {
+			continue
+		}
+
+		if f.UncompressedSize64 > maxFileSize {
+			return fmt.Errorf("file %s too large (%d bytes)", f.Name, f.UncompressedSize64)
+		}
+
+		targetPath := strings.TrimPrefix(f.Name, uploadsPrefix)
+		if strings.HasSuffix(f.Name, "/") || targetPath == "" {
+			continue // Skip directories
+		}
+
+		err := s.storage.DeleteAll(ctx, targetPath)
+		if err != nil {
+			return fmt.Errorf("failed to delete existing file %s: %w", targetPath, err)
+		}
+
+		rc, err := f.Open()
+		if err != nil {
+			return err
+		}
+
+		buf, err := io.ReadAll(rc)
+		rc.Close()
+		if err != nil {
+			return fmt.Errorf("read file %s: %w", f.Name, err)
+		}
+
+		err = s.storage.Save(ctx, targetPath, bytes.NewReader(buf))
+		if err != nil {
+			return fmt.Errorf("failed to save file %s: %w", targetPath, err)
+		}
+	}
+
+	return nil
+}
+
+// resetSchema drops the existing schema and migrates to the target version
+func (s *ImportService) resetSchema(targetVersion uint) error {
+	sqlDb, err := s.db.DB()
+	if err != nil {
+		return fmt.Errorf("failed to get sql.DB: %w", err)
+	}
+
+	m, err := utils.GetEmbeddedMigrateInstance(sqlDb)
+	if err != nil {
+		return fmt.Errorf("failed to get migrate instance: %w", err)
+	}
+
+	if s.db.Name() == "sqlite" {
+		s.db.Exec("PRAGMA foreign_keys = OFF;")
+	}
+
+	err = m.Drop()
+	if err != nil {
+		return fmt.Errorf("failed to drop existing schema: %w", err)
+	}
+
+	if s.db.Name() == "sqlite" {
+		defer s.db.Exec("PRAGMA foreign_keys = ON;")
+	}
+
+	// Needs to be called again to re-create the schema_migrations table
+	m, err = utils.GetEmbeddedMigrateInstance(sqlDb)
+	if err != nil {
+		return fmt.Errorf("failed to get migrate instance: %w", err)
+	}
+
+	err = m.Migrate(targetVersion)
+	if err != nil {
+		return fmt.Errorf("migration failed: %w", err)
+	}
+
+	return nil
+}
+
+// insertData populates the DB with the imported data
+func (s *ImportService) insertData(dbData DatabaseExport) error {
+	schema, err := utils.LoadDBSchemaTypes(s.db)
+	if err != nil {
+		return fmt.Errorf("failed to load schema types: %w", err)
+	}
+
+	return s.db.Transaction(func(tx *gorm.DB) error {
+		// Iterate through all tables
+		// Some tables need to be processed in order
+		tables := make([]string, 0, len(dbData.Tables))
+		tables = append(tables, dbData.TableOrder...)
+
+		for t := range dbData.Tables {
+			// Skip tables already present where the order matters
+			// Also skip the schema_migrations table
+			if slices.Contains(dbData.TableOrder, t) || t == "schema_migrations" {
+				continue
+			}
+			tables = append(tables, t)
+		}
+
+		// Insert rows
+		for _, table := range tables {
+			for _, row := range dbData.Tables[table] {
+				err = normalizeRowWithSchema(row, table, schema)
+				if err != nil {
+					return fmt.Errorf("failed to normalize row for table '%s': %w", table, err)
+				}
+				err = tx.Table(table).Create(row).Error
+				if err != nil {
+					return fmt.Errorf("failed inserting into table '%s': %w", table, err)
+				}
+			}
+		}
+		return nil
+	})
+}
+
+// normalizeRowWithSchema converts row values based on the DB schema
+func normalizeRowWithSchema(row map[string]any, table string, schema utils.DBSchemaTypes) error {
+	if schema[table] == nil {
+		return fmt.Errorf("schema not found for table '%s'", table)
+	}
+
+	for col, val := range row {
+		if val == nil {
+			// If the value is nil, skip the column
+			continue
+		}
+
+		colType := schema[table][col]
+
+		switch colType.Name {
+		case "timestamp", "timestamptz", "timestamp with time zone", "datetime":
+			// Dates are stored as strings
+			str, ok := val.(string)
+			if !ok {
+				return fmt.Errorf("value for column '%s/%s' was expected to be a string, but was '%T'", table, col, val)
+			}
+			d, err := datatype.DateTimeFromString(str)
+			if err != nil {
+				return fmt.Errorf("failed to decode value for column '%s/%s' as timestamp: %w", table, col, err)
+			}
+			row[col] = d
+
+		case "blob", "bytea", "jsonb":
+			// Binary data and jsonb data is stored in the file as base64-encoded string
+			str, ok := val.(string)
+			if !ok {
+				return fmt.Errorf("value for column '%s/%s' was expected to be a string, but was '%T'", table, col, val)
+			}
+			b, err := base64.StdEncoding.DecodeString(str)
+			if err != nil {
+				return fmt.Errorf("failed to decode value for column '%s/%s' from base64: %w", table, col, err)
+			}
+
+			// For jsonb, we additionally cast to json.RawMessage
+			if colType.Name == "jsonb" {
+				row[col] = json.RawMessage(b)
+			} else {
+				row[col] = b
+			}
+		}
+	}
+
+	return nil
+}
--- a/backend/internal/service/jwt_service.go
+++ b/backend/internal/service/jwt_service.go
@@ -18,14 +18,6 @@ import (
 )

 const (
-	// PrivateKeyFile is the path in the data/keys folder where the key is stored
-	// This is a JSON file containing a key encoded as JWK
-	PrivateKeyFile = "jwt_private_key.json"
-
-	// PrivateKeyFileEncrypted is the path in the data/keys folder where the encrypted key is stored
-	// This is a encrypted JSON file containing a key encoded as JWK
-	PrivateKeyFileEncrypted = "jwt_private_key.json.enc"
-
 	// KeyUsageSigning is the usage for the private keys, for the "use" property
 	KeyUsageSigning = "sig"

@@ -56,6 +48,7 @@ const (
 )

 type JwtService struct {
+	db               *gorm.DB
 	envConfig        *common.EnvConfigSchema
 	privateKey       jwk.Key
 	keyId            string
@@ -66,7 +59,6 @@ type JwtService struct {
 func NewJwtService(db *gorm.DB, appConfigService *AppConfigService) (*JwtService, error) {
 	service := &JwtService{}

-	// Ensure keys are generated or loaded
 	err := service.init(db, appConfigService, &common.EnvConfig)
 	if err != nil {
 		return nil, err
@@ -78,14 +70,15 @@ func NewJwtService(db *gorm.DB, appConfigService *AppConfigService) (*JwtService
 func (s *JwtService) init(db *gorm.DB, appConfigService *AppConfigService, envConfig *common.EnvConfigSchema) (err error) {
 	s.appConfigService = appConfigService
 	s.envConfig = envConfig
+	s.db = db

 	// Ensure keys are generated or loaded
-	return s.loadOrGenerateKey(db)
+	return s.LoadOrGenerateKey()
 }

-func (s *JwtService) loadOrGenerateKey(db *gorm.DB) error {
+func (s *JwtService) LoadOrGenerateKey() error {
 	// Get the key provider
-	keyProvider, err := jwkutils.GetKeyProvider(db, s.envConfig, s.appConfigService.GetDbConfig().InstanceID.Value)
+	keyProvider, err := jwkutils.GetKeyProvider(s.db, s.envConfig, s.appConfigService.GetDbConfig().InstanceID.Value)
 	if err != nil {
 		return fmt.Errorf("failed to get key provider: %w", err)
 	}
@@ -93,7 +86,7 @@ func (s *JwtService) loadOrGenerateKey(db *gorm.DB) error {
 	// Try loading a key
 	key, err := keyProvider.LoadKey()
 	if err != nil {
-		return fmt.Errorf("failed to load key (provider type '%s'): %w", s.envConfig.KeysStorage, err)
+		return fmt.Errorf("failed to load key: %w", err)
 	}

 	// If we have a key, store it in the object and we're done
@@ -114,7 +107,7 @@ func (s *JwtService) loadOrGenerateKey(db *gorm.DB) error {
 	// Save the newly-generated key
 	err = keyProvider.SaveKey(s.privateKey)
 	if err != nil {
-		return fmt.Errorf("failed to save private key (provider type '%s'): %w", s.envConfig.KeysStorage, err)
+		return fmt.Errorf("failed to save private key: %w", err)
 	}

 	return nil
--- a/backend/internal/service/jwt_service_test.go
+++ b/backend/internal/service/jwt_service_test.go
--- a/backend/internal/service/ldap_service.go
+++ b/backend/internal/service/ldap_service.go
@@ -11,12 +11,15 @@ import (
 	"log/slog"
 	"net/http"
 	"net/url"
+	"path"
 	"strings"
 	"time"
 	"unicode/utf8"

 	"github.com/go-ldap/ldap/v3"
 	"github.com/google/uuid"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	"golang.org/x/text/unicode/norm"
 	"gorm.io/gorm"

@@ -31,15 +34,23 @@ type LdapService struct {
 	appConfigService *AppConfigService
 	userService      *UserService
 	groupService     *UserGroupService
+	fileStorage      storage.FileStorage
 }

-func NewLdapService(db *gorm.DB, httpClient *http.Client, appConfigService *AppConfigService, userService *UserService, groupService *UserGroupService) *LdapService {
+type savePicture struct {
+	userID   string
+	username string
+	picture  string
+}
+
+func NewLdapService(db *gorm.DB, httpClient *http.Client, appConfigService *AppConfigService, userService *UserService, groupService *UserGroupService, fileStorage storage.FileStorage) *LdapService {
 	return &LdapService{
 		db:               db,
 		httpClient:       httpClient,
 		appConfigService: appConfigService,
 		userService:      userService,
 		groupService:     groupService,
+		fileStorage:      fileStorage,
 	}
 }

@@ -67,12 +78,6 @@ func (s *LdapService) createClient() (*ldap.Conn, error) {
 }

 func (s *LdapService) SyncAll(ctx context.Context) error {
-	// Start a transaction
-	tx := s.db.Begin()
-	defer func() {
-		tx.Rollback()
-	}()
-
 	// Setup LDAP connection
 	client, err := s.createClient()
 	if err != nil {
@@ -80,7 +85,13 @@ func (s *LdapService) SyncAll(ctx context.Context) error {
 	}
 	defer client.Close()

-	err = s.SyncUsers(ctx, tx, client)
+	// Start a transaction
+	tx := s.db.Begin()
+	defer func() {
+		tx.Rollback()
+	}()
+
+	savePictures, deleteFiles, err := s.SyncUsers(ctx, tx, client)
 	if err != nil {
 		return fmt.Errorf("failed to sync users: %w", err)
 	}
@@ -96,6 +107,25 @@ func (s *LdapService) SyncAll(ctx context.Context) error {
 		return fmt.Errorf("failed to commit changes to database: %w", err)
 	}

+	// Now that we've committed the transaction, we can perform operations on the storage layer
+	// First, save all new pictures
+	for _, sp := range savePictures {
+		err = s.saveProfilePicture(ctx, sp.userID, sp.picture)
+		if err != nil {
+			// This is not a fatal error
+			slog.Warn("Error saving profile picture for LDAP user", slog.String("username", sp.username), slog.Any("error", err))
+		}
+	}
+
+	// Delete all old files
+	for _, path := range deleteFiles {
+		err = s.fileStorage.Delete(ctx, path)
+		if err != nil {
+			// This is not a fatal error
+			slog.Error("Failed to delete file after LDAP sync", slog.String("path", path), slog.Any("error", err))
+		}
+	}
+
 	return nil
 }

@@ -265,7 +295,7 @@ func (s *LdapService) SyncGroups(ctx context.Context, tx *gorm.DB, client *ldap.
 }

 //nolint:gocognit
-func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.Conn) error {
+func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.Conn) (savePictures []savePicture, deleteFiles []string, err error) {
 	dbConfig := s.appConfigService.GetDbConfig()

 	searchAttrs := []string{
@@ -293,11 +323,12 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C

 	result, err := client.Search(searchReq)
 	if err != nil {
-		return fmt.Errorf("failed to query LDAP: %w", err)
+		return nil, nil, fmt.Errorf("failed to query LDAP: %w", err)
 	}

 	// Create a mapping for users that exist
 	ldapUserIDs := make(map[string]struct{}, len(result.Entries))
+	savePictures = make([]savePicture, 0, len(result.Entries))

 	for _, value := range result.Entries {
 		ldapId := convertLdapIdToString(value.GetAttributeValue(dbConfig.LdapAttributeUserUniqueIdentifier.Value))
@@ -328,19 +359,19 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C
 				Error

 			if err != nil {
-				return fmt.Errorf("failed to enable user %s: %w", databaseUser.Username, err)
+				return nil, nil, fmt.Errorf("failed to enable user %s: %w", databaseUser.Username, err)
 			}
 		}

 		if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
 			// This could error with ErrRecordNotFound and we want to ignore that here
-			return fmt.Errorf("failed to query for LDAP user ID '%s': %w", ldapId, err)
+			return nil, nil, fmt.Errorf("failed to query for LDAP user ID '%s': %w", ldapId, err)
 		}

 		// Check if user is admin by checking if they are in the admin group
 		isAdmin := false
 		for _, group := range value.GetAttributeValues("memberOf") {
-			if getDNProperty(dbConfig.LdapAttributeGroupName.Value, group) == dbConfig.LdapAttributeAdminGroup.Value {
+			if getDNProperty(dbConfig.LdapAttributeGroupName.Value, group) == dbConfig.LdapAdminGroupName.Value {
 				isAdmin = true
 				break
 			}
@@ -348,13 +379,18 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C

 		newUser := dto.UserCreateDto{
 			Username:    value.GetAttributeValue(dbConfig.LdapAttributeUserUsername.Value),
-			Email:       value.GetAttributeValue(dbConfig.LdapAttributeUserEmail.Value),
+			Email:       utils.PtrOrNil(value.GetAttributeValue(dbConfig.LdapAttributeUserEmail.Value)),
 			FirstName:   value.GetAttributeValue(dbConfig.LdapAttributeUserFirstName.Value),
 			LastName:    value.GetAttributeValue(dbConfig.LdapAttributeUserLastName.Value),
 			DisplayName: value.GetAttributeValue(dbConfig.LdapAttributeUserDisplayName.Value),
 			IsAdmin:     isAdmin,
 			LdapID:      ldapId,
 		}
+
+		if newUser.DisplayName == "" {
+			newUser.DisplayName = strings.TrimSpace(newUser.FirstName + " " + newUser.LastName)
+		}
+
 		dto.Normalize(newUser)

 		err = newUser.Validate()
@@ -363,32 +399,35 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C
 			continue
 		}

+		userID := databaseUser.ID
 		if databaseUser.ID == "" {
-			_, err = s.userService.createUserInternal(ctx, newUser, true, tx)
+			createdUser, err := s.userService.createUserInternal(ctx, newUser, true, tx)
 			if errors.Is(err, &common.AlreadyInUseError{}) {
 				slog.Warn("Skipping creating LDAP user", slog.String("username", newUser.Username), slog.Any("error", err))
 				continue
 			} else if err != nil {
-				return fmt.Errorf("error creating user '%s': %w", newUser.Username, err)
+				return nil, nil, fmt.Errorf("error creating user '%s': %w", newUser.Username, err)
 			}
+			userID = createdUser.ID
 		} else {
 			_, err = s.userService.updateUserInternal(ctx, databaseUser.ID, newUser, false, true, tx)
 			if errors.Is(err, &common.AlreadyInUseError{}) {
 				slog.Warn("Skipping updating LDAP user", slog.String("username", newUser.Username), slog.Any("error", err))
 				continue
 			} else if err != nil {
-				return fmt.Errorf("error updating user '%s': %w", newUser.Username, err)
+				return nil, nil, fmt.Errorf("error updating user '%s': %w", newUser.Username, err)
 			}
 		}

 		// Save profile picture
 		pictureString := value.GetAttributeValue(dbConfig.LdapAttributeUserProfilePicture.Value)
 		if pictureString != "" {
-			err = s.saveProfilePicture(ctx, databaseUser.ID, pictureString)
-			if err != nil {
-				// This is not a fatal error
-				slog.Warn("Error saving profile picture for user", slog.String("username", newUser.Username), slog.Any("error", err))
-			}
+			// Storage operations must be executed outside of a transaction
+			savePictures = append(savePictures, savePicture{
+				userID:   databaseUser.ID,
+				username: userID,
+				picture:  pictureString,
+			})
 		}
 	}

@@ -400,10 +439,11 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C
 		Select("id, username, ldap_id, disabled").
 		Error
 	if err != nil {
-		return fmt.Errorf("failed to fetch users from database: %w", err)
+		return nil, nil, fmt.Errorf("failed to fetch users from database: %w", err)
 	}

 	// Mark users as disabled or delete users that no longer exist in LDAP
+	deleteFiles = make([]string, 0, len(ldapUserIDs))
 	for _, user := range ldapUsersInDb {
 		// Skip if the user ID exists in the fetched LDAP results
 		if _, exists := ldapUserIDs[*user.LdapID]; exists {
@@ -411,30 +451,34 @@ func (s *LdapService) SyncUsers(ctx context.Context, tx *gorm.DB, client *ldap.C
 		}

 		if dbConfig.LdapSoftDeleteUsers.IsTrue() {
-			err = s.userService.disableUserInternal(ctx, user.ID, tx)
+			err = s.userService.disableUserInternal(ctx, tx, user.ID)
 			if err != nil {
-				return fmt.Errorf("failed to disable user %s: %w", user.Username, err)
+				return nil, nil, fmt.Errorf("failed to disable user %s: %w", user.Username, err)
 			}

 			slog.Info("Disabled user", slog.String("username", user.Username))
 		} else {
-			err = s.userService.deleteUserInternal(ctx, user.ID, true, tx)
-			target := &common.LdapUserUpdateError{}
-			if errors.As(err, &target) {
-				return fmt.Errorf("failed to delete user %s: LDAP user must be disabled before deletion", user.Username)
-			} else if err != nil {
-				return fmt.Errorf("failed to delete user %s: %w", user.Username, err)
+			err = s.userService.deleteUserInternal(ctx, tx, user.ID, true)
+			if err != nil {
+				target := &common.LdapUserUpdateError{}
+				if errors.As(err, &target) {
+					return nil, nil, fmt.Errorf("failed to delete user %s: LDAP user must be disabled before deletion", user.Username)
+				}
+				return nil, nil, fmt.Errorf("failed to delete user %s: %w", user.Username, err)
 			}

 			slog.Info("Deleted user", slog.String("username", user.Username))
+
+			// Storage operations must be executed outside of a transaction
+			deleteFiles = append(deleteFiles, path.Join("profile-pictures", user.ID+".png"))
 		}
 	}

-	return nil
+	return savePictures, deleteFiles, nil
 }

 func (s *LdapService) saveProfilePicture(parentCtx context.Context, userId string, pictureString string) error {
-	var reader io.Reader
+	var reader io.ReadSeeker

 	_, err := url.ParseRequestURI(pictureString)
 	if err == nil {
@@ -454,7 +498,12 @@ func (s *LdapService) saveProfilePicture(parentCtx context.Context, userId strin
 		}
 		defer res.Body.Close()

-		reader = res.Body
+		data, err := io.ReadAll(res.Body)
+		if err != nil {
+			return fmt.Errorf("failed to read profile picture: %w", err)
+		}
+
+		reader = bytes.NewReader(data)
 	} else if decodedPhoto, err := base64.StdEncoding.DecodeString(pictureString); err == nil {
 		// If the photo is a base64 encoded string, decode it
 		reader = bytes.NewReader(decodedPhoto)
@@ -464,7 +513,7 @@ func (s *LdapService) saveProfilePicture(parentCtx context.Context, userId strin
 	}

 	// Update the profile picture
-	err = s.userService.UpdateProfilePicture(userId, reader)
+	err = s.userService.UpdateProfilePicture(parentCtx, userId, reader)
 	if err != nil {
 		return fmt.Errorf("failed to update profile picture: %w", err)
 	}
--- a/backend/internal/service/oidc_service.go
+++ b/backend/internal/service/oidc_service.go
@@ -3,16 +3,18 @@ package service
 import (
 	"context"
 	"crypto/sha256"
+	"crypto/subtle"
 	"crypto/tls"
 	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io"
 	"log/slog"
 	"mime/multipart"
 	"net/http"
-	"os"
-	"regexp"
+	"net/url"
+	"path"
 	"slices"
 	"strings"
 	"time"
@@ -30,6 +32,7 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/dto"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 )

@@ -54,8 +57,9 @@ type OidcService struct {
 	customClaimService *CustomClaimService
 	webAuthnService    *WebAuthnService

-	httpClient *http.Client
-	jwkCache   *jwk.Cache
+	httpClient  *http.Client
+	jwkCache    *jwk.Cache
+	fileStorage storage.FileStorage
 }

 func NewOidcService(
@@ -66,6 +70,8 @@ func NewOidcService(
 	auditLogService *AuditLogService,
 	customClaimService *CustomClaimService,
 	webAuthnService *WebAuthnService,
+	httpClient *http.Client,
+	fileStorage storage.FileStorage,
 ) (s *OidcService, err error) {
 	s = &OidcService{
 		db:                 db,
@@ -74,6 +80,8 @@ func NewOidcService(
 		auditLogService:    auditLogService,
 		customClaimService: customClaimService,
 		webAuthnService:    webAuthnService,
+		httpClient:         httpClient,
+		fileStorage:        fileStorage,
 	}

 	// Note: we don't pass the HTTP Client with OTel instrumented to this because requests are always made in background and not tied to a specific trace
@@ -160,7 +168,7 @@ func (s *OidcService) Authorize(ctx context.Context, input dto.AuthorizeOidcClie
 		return "", "", err
 	}

-	if !s.IsUserGroupAllowedToAuthorize(user, client) {
+	if !IsUserGroupAllowedToAuthorize(user, client) {
 		return "", "", &common.OidcAccessDeniedError{}
 	}

@@ -216,8 +224,8 @@ func (s *OidcService) hasAuthorizedClientInternal(ctx context.Context, clientID,
 }

 // IsUserGroupAllowedToAuthorize checks if the user group of the user is allowed to authorize the client
-func (s *OidcService) IsUserGroupAllowedToAuthorize(user model.User, client model.OidcClient) bool {
-	if len(client.AllowedUserGroups) == 0 {
+func IsUserGroupAllowedToAuthorize(user model.User, client model.OidcClient) bool {
+	if !client.IsGroupRestricted {
 		return true
 	}

@@ -388,7 +396,7 @@ func (s *OidcService) createTokenFromAuthorizationCode(ctx context.Context, inpu

 	// If the client is public or PKCE is enabled, the code verifier must match the code challenge
 	if client.IsPublic || client.PkceEnabled {
-		if !s.validateCodeVerifier(input.CodeVerifier, *authorizationCodeMetaData.CodeChallenge, *authorizationCodeMetaData.CodeChallengeMethodSha256) {
+		if !validateCodeVerifier(input.CodeVerifier, *authorizationCodeMetaData.CodeChallenge, *authorizationCodeMetaData.CodeChallengeMethodSha256) {
 			return CreatedTokens{}, &common.OidcInvalidCodeVerifierError{}
 		}
 	}
@@ -469,7 +477,7 @@ func (s *OidcService) createTokenFromRefreshToken(ctx context.Context, input dto
 	var storedRefreshToken model.OidcRefreshToken
 	err = tx.
 		WithContext(ctx).
-		Preload("User").
+		Preload("User.UserGroups").
 		Where(
 			"token = ? AND expires_at > ? AND user_id = ? AND client_id = ?",
 			utils.CreateSha256Hash(rt),
@@ -669,24 +677,26 @@ func (s *OidcService) introspectRefreshToken(ctx context.Context, clientID strin
 }

 func (s *OidcService) GetClient(ctx context.Context, clientID string) (model.OidcClient, error) {
-	return s.getClientInternal(ctx, clientID, s.db)
+	return s.getClientInternal(ctx, clientID, s.db, false)
 }

-func (s *OidcService) getClientInternal(ctx context.Context, clientID string, tx *gorm.DB) (model.OidcClient, error) {
+func (s *OidcService) getClientInternal(ctx context.Context, clientID string, tx *gorm.DB, forUpdate bool) (model.OidcClient, error) {
 	var client model.OidcClient
-	err := tx.
+	q := tx.
 		WithContext(ctx).
 		Preload("CreatedBy").
-		Preload("AllowedUserGroups").
-		First(&client, "id = ?", clientID).
-		Error
-	if err != nil {
-		return model.OidcClient{}, err
+		Preload("AllowedUserGroups")
+	if forUpdate {
+		q = q.Clauses(clause.Locking{Strength: "UPDATE"})
+	}
+	q = q.First(&client, "id = ?", clientID)
+	if q.Error != nil {
+		return model.OidcClient{}, q.Error
 	}
 	return client, nil
 }

-func (s *OidcService) ListClients(ctx context.Context, name string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.OidcClient, utils.PaginationResponse, error) {
+func (s *OidcService) ListClients(ctx context.Context, name string, listRequestOptions utils.ListRequestOptions) ([]model.OidcClient, utils.PaginationResponse, error) {
 	var clients []model.OidcClient

 	query := s.db.
@@ -699,17 +709,17 @@ func (s *OidcService) ListClients(ctx context.Context, name string, sortedPagina
 	}

 	// As allowedUserGroupsCount is not a column, we need to manually sort it
-	if sortedPaginationRequest.Sort.Column == "allowedUserGroupsCount" && utils.IsValidSortDirection(sortedPaginationRequest.Sort.Direction) {
+	if listRequestOptions.Sort.Column == "allowedUserGroupsCount" && utils.IsValidSortDirection(listRequestOptions.Sort.Direction) {
 		query = query.Select("oidc_clients.*, COUNT(oidc_clients_allowed_user_groups.oidc_client_id)").
 			Joins("LEFT JOIN oidc_clients_allowed_user_groups ON oidc_clients.id = oidc_clients_allowed_user_groups.oidc_client_id").
 			Group("oidc_clients.id").
-			Order("COUNT(oidc_clients_allowed_user_groups.oidc_client_id) " + sortedPaginationRequest.Sort.Direction)
+			Order("COUNT(oidc_clients_allowed_user_groups.oidc_client_id) " + listRequestOptions.Sort.Direction)

-		response, err := utils.Paginate(sortedPaginationRequest.Pagination.Page, sortedPaginationRequest.Pagination.Limit, query, &clients)
+		response, err := utils.Paginate(listRequestOptions.Pagination.Page, listRequestOptions.Pagination.Limit, query, &clients)
 		return clients, response, err
 	}

-	response, err := utils.PaginateAndSort(sortedPaginationRequest, query, &clients)
+	response, err := utils.PaginateFilterAndSort(listRequestOptions, query, &clients)
 	return clients, response, err
 }

@@ -733,6 +743,21 @@ func (s *OidcService) CreateClient(ctx context.Context, input dto.OidcClientCrea
 		return model.OidcClient{}, err
 	}

+	// All storage operations must be executed outside of a transaction
+	if input.LogoURL != nil {
+		err = s.downloadAndSaveLogoFromURL(ctx, client.ID, *input.LogoURL, true)
+		if err != nil {
+			return model.OidcClient{}, fmt.Errorf("failed to download logo: %w", err)
+		}
+	}
+
+	if input.DarkLogoURL != nil {
+		err = s.downloadAndSaveLogoFromURL(ctx, client.ID, *input.DarkLogoURL, false)
+		if err != nil {
+			return model.OidcClient{}, fmt.Errorf("failed to download dark logo: %w", err)
+		}
+	}
+
 	return client, nil
 }

@@ -743,21 +768,24 @@ func (s *OidcService) UpdateClient(ctx context.Context, clientID string, input d
 	}()

 	var client model.OidcClient
-	err := tx.
-		WithContext(ctx).
+	err := tx.WithContext(ctx).
 		Preload("CreatedBy").
-		First(&client, "id = ?", clientID).
-		Error
+		First(&client, "id = ?", clientID).Error
 	if err != nil {
 		return model.OidcClient{}, err
 	}

 	updateOIDCClientModelFromDto(&client, &input)

-	err = tx.
-		WithContext(ctx).
-		Save(&client).
-		Error
+	if !input.IsGroupRestricted {
+		// Clear allowed user groups if the restriction is removed
+		err = tx.Model(&client).Association("AllowedUserGroups").Clear()
+		if err != nil {
+			return model.OidcClient{}, err
+		}
+	}
+
+	err = tx.WithContext(ctx).Save(&client).Error
 	if err != nil {
 		return model.OidcClient{}, err
 	}
@@ -767,6 +795,21 @@ func (s *OidcService) UpdateClient(ctx context.Context, clientID string, input d
 		return model.OidcClient{}, err
 	}

+	// All storage operations must be executed outside of a transaction
+	if input.LogoURL != nil {
+		err = s.downloadAndSaveLogoFromURL(ctx, client.ID, *input.LogoURL, true)
+		if err != nil {
+			return model.OidcClient{}, fmt.Errorf("failed to download logo: %w", err)
+		}
+	}
+
+	if input.DarkLogoURL != nil {
+		err = s.downloadAndSaveLogoFromURL(ctx, client.ID, *input.DarkLogoURL, false)
+		if err != nil {
+			return model.OidcClient{}, fmt.Errorf("failed to download dark logo: %w", err)
+		}
+	}
+
 	return client, nil
 }

@@ -780,6 +823,7 @@ func updateOIDCClientModelFromDto(client *model.OidcClient, input *dto.OidcClien
 	client.PkceEnabled = input.IsPublic || input.PkceEnabled
 	client.RequiresReauthentication = input.RequiresReauthentication
 	client.LaunchURL = input.LaunchURL
+	client.IsGroupRestricted = input.IsGroupRestricted

 	// Credentials
 	client.Credentials.FederatedIdentities = make([]model.OidcClientFederatedIdentity, len(input.Credentials.FederatedIdentities))
@@ -799,12 +843,24 @@ func (s *OidcService) DeleteClient(ctx context.Context, clientID string) error {
 	err := s.db.
 		WithContext(ctx).
 		Where("id = ?", clientID).
+		Clauses(clause.Returning{}).
 		Delete(&client).
 		Error
 	if err != nil {
 		return err
 	}

+	// Delete images if present
+	// Note that storage operations must be done outside of a transaction
+	if client.ImageType != nil && *client.ImageType != "" {
+		old := path.Join("oidc-client-images", client.ID+"."+*client.ImageType)
+		_ = s.fileStorage.Delete(ctx, old)
+	}
+	if client.DarkImageType != nil && *client.DarkImageType != "" {
+		old := path.Join("oidc-client-images", client.ID+"-dark."+*client.DarkImageType)
+		_ = s.fileStorage.Delete(ctx, old)
+	}
+
 	return nil
 }

@@ -850,69 +906,66 @@ func (s *OidcService) CreateClientSecret(ctx context.Context, clientID string) (
 	return clientSecret, nil
 }

-func (s *OidcService) GetClientLogo(ctx context.Context, clientID string) (string, string, error) {
+func (s *OidcService) GetClientLogo(ctx context.Context, clientID string, light bool) (io.ReadCloser, int64, string, error) {
 	var client model.OidcClient
 	err := s.db.
 		WithContext(ctx).
 		First(&client, "id = ?", clientID).
 		Error
 	if err != nil {
-		return "", "", err
+		return nil, 0, "", err
 	}

-	if client.ImageType == nil {
-		return "", "", errors.New("image not found")
+	var suffix string
+	var ext string
+	switch {
+	case !light && client.DarkImageType != nil:
+		// Dark logo if requested and exists
+		suffix = "-dark"
+		ext = *client.DarkImageType
+	case client.ImageType != nil:
+		// Light logo if requested or no dark logo is available
+		ext = *client.ImageType
+	default:
+		return nil, 0, "", errors.New("image not found")
 	}

-	imagePath := common.EnvConfig.UploadPath + "/oidc-client-images/" + client.ID + "." + *client.ImageType
-	mimeType := utils.GetImageMimeType(*client.ImageType)
+	mimeType := utils.GetImageMimeType(ext)
+	if mimeType == "" {
+		return nil, 0, "", fmt.Errorf("unsupported image type '%s'", ext)
+	}
+	key := path.Join("oidc-client-images", client.ID+suffix+"."+ext)
+	reader, size, err := s.fileStorage.Open(ctx, key)
+	if err != nil {
+		return nil, 0, "", err
+	}

-	return imagePath, mimeType, nil
+	return reader, size, mimeType, nil
 }

-func (s *OidcService) UpdateClientLogo(ctx context.Context, clientID string, file *multipart.FileHeader) error {
+func (s *OidcService) UpdateClientLogo(ctx context.Context, clientID string, file *multipart.FileHeader, light bool) error {
 	fileType := strings.ToLower(utils.GetFileExtension(file.Filename))
 	if mimeType := utils.GetImageMimeType(fileType); mimeType == "" {
 		return &common.FileTypeNotSupportedError{}
 	}

-	imagePath := common.EnvConfig.UploadPath + "/oidc-client-images/" + clientID + "." + fileType
-	err := utils.SaveFile(file, imagePath)
+	var darkSuffix string
+	if !light {
+		darkSuffix = "-dark"
+	}
+
+	imagePath := path.Join("oidc-client-images", clientID+darkSuffix+"."+fileType)
+	reader, err := file.Open()
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+	err = s.fileStorage.Save(ctx, imagePath, reader)
 	if err != nil {
 		return err
 	}

-	tx := s.db.Begin()
-	defer func() {
-		tx.Rollback()
-	}()
-
-	var client model.OidcClient
-	err = tx.
-		WithContext(ctx).
-		First(&client, "id = ?", clientID).
-		Error
-	if err != nil {
-		return err
-	}
-
-	if client.ImageType != nil && fileType != *client.ImageType {
-		oldImagePath := fmt.Sprintf("%s/oidc-client-images/%s.%s", common.EnvConfig.UploadPath, client.ID, *client.ImageType)
-		if err := os.Remove(oldImagePath); err != nil {
-			return err
-		}
-	}
-
-	client.ImageType = &fileType
-	err = tx.
-		WithContext(ctx).
-		Save(&client).
-		Error
-	if err != nil {
-		return err
-	}
-
-	err = tx.Commit().Error
+	err = s.updateClientLogoType(ctx, clientID, fileType, light)
 	if err != nil {
 		return err
 	}
@@ -921,6 +974,30 @@ func (s *OidcService) UpdateClientLogo(ctx context.Context, clientID string, fil
 }

 func (s *OidcService) DeleteClientLogo(ctx context.Context, clientID string) error {
+	return s.deleteClientLogoInternal(ctx, clientID, "", func(client *model.OidcClient) (string, error) {
+		if client.ImageType == nil {
+			return "", errors.New("image not found")
+		}
+
+		oldImageType := *client.ImageType
+		client.ImageType = nil
+		return oldImageType, nil
+	})
+}
+
+func (s *OidcService) DeleteClientDarkLogo(ctx context.Context, clientID string) error {
+	return s.deleteClientLogoInternal(ctx, clientID, "-dark", func(client *model.OidcClient) (string, error) {
+		if client.DarkImageType == nil {
+			return "", errors.New("image not found")
+		}
+
+		oldImageType := *client.DarkImageType
+		client.DarkImageType = nil
+		return oldImageType, nil
+	})
+}
+
+func (s *OidcService) deleteClientLogoInternal(ctx context.Context, clientID string, imagePathSuffix string, setClientImage func(*model.OidcClient) (string, error)) error {
 	tx := s.db.Begin()
 	defer func() {
 		tx.Rollback()
@@ -935,12 +1012,11 @@ func (s *OidcService) DeleteClientLogo(ctx context.Context, clientID string) err
 		return err
 	}

-	if client.ImageType == nil {
-		return errors.New("image not found")
+	oldImageType, err := setClientImage(&client)
+	if err != nil {
+		return err
 	}

-	oldImageType := *client.ImageType
-	client.ImageType = nil
 	err = tx.
 		WithContext(ctx).
 		Save(&client).
@@ -949,12 +1025,14 @@ func (s *OidcService) DeleteClientLogo(ctx context.Context, clientID string) err
 		return err
 	}

-	imagePath := common.EnvConfig.UploadPath + "/oidc-client-images/" + client.ID + "." + oldImageType
-	if err := os.Remove(imagePath); err != nil {
+	err = tx.Commit().Error
+	if err != nil {
 		return err
 	}

-	err = tx.Commit().Error
+	// All storage operations must be performed outside of a database transaction
+	imagePath := path.Join("oidc-client-images", client.ID+imagePathSuffix+"."+oldImageType)
+	err = s.fileStorage.Delete(ctx, imagePath)
 	if err != nil {
 		return err
 	}
@@ -968,7 +1046,7 @@ func (s *OidcService) UpdateAllowedUserGroups(ctx context.Context, id string, in
 		tx.Rollback()
 	}()

-	client, err = s.getClientInternal(ctx, id, tx)
+	client, err = s.getClientInternal(ctx, id, tx, true)
 	if err != nil {
 		return model.OidcClient{}, err
 	}
@@ -1090,13 +1168,20 @@ func (s *OidcService) createAuthorizationCode(ctx context.Context, clientID stri
 	return randomString, nil
 }

-func (s *OidcService) validateCodeVerifier(codeVerifier, codeChallenge string, codeChallengeMethodSha256 bool) bool {
+func validateCodeVerifier(codeVerifier, codeChallenge string, codeChallengeMethodSha256 bool) bool {
 	if codeVerifier == "" || codeChallenge == "" {
 		return false
 	}

 	if !codeChallengeMethodSha256 {
-		return codeVerifier == codeChallenge
+		return subtle.ConstantTimeCompare([]byte(codeVerifier), []byte(codeChallenge)) == 1
+	}
+
+	// Base64 URL decode the challenge
+	// If it's not valid base64url, fail the operation
+	codeChallengeBytes, err := base64.RawURLEncoding.DecodeString(codeChallenge)
+	if err != nil {
+		return false
 	}

 	// Compute SHA-256 hash of the codeVerifier
@@ -1104,10 +1189,7 @@ func (s *OidcService) validateCodeVerifier(codeVerifier, codeChallenge string, c
 	h.Write([]byte(codeVerifier))
 	codeVerifierHash := h.Sum(nil)

-	// Base64 URL encode the verifier hash
-	encodedVerifierHash := base64.RawURLEncoding.EncodeToString(codeVerifierHash)
-
-	return encodedVerifierHash == codeChallenge
+	return subtle.ConstantTimeCompare(codeVerifierHash, codeChallengeBytes) == 1
 }

 func (s *OidcService) getCallbackURL(client *model.OidcClient, inputCallbackURL string, tx *gorm.DB, ctx context.Context) (callbackURL string, err error) {
@@ -1122,7 +1204,7 @@ func (s *OidcService) getCallbackURL(client *model.OidcClient, inputCallbackURL

 	// If URLs are already configured, validate against them
 	if len(client.CallbackURLs) > 0 {
-		matched, err := s.getCallbackURLFromList(client.CallbackURLs, inputCallbackURL)
+		matched, err := utils.GetCallbackURLFromList(client.CallbackURLs, inputCallbackURL)
 		if err != nil {
 			return "", err
 		} else if matched == "" {
@@ -1145,7 +1227,7 @@ func (s *OidcService) getLogoutCallbackURL(client *model.OidcClient, inputLogout
 		return client.LogoutCallbackURLs[0], nil
 	}

-	matched, err := s.getCallbackURLFromList(client.LogoutCallbackURLs, inputLogoutCallbackURL)
+	matched, err := utils.GetCallbackURLFromList(client.LogoutCallbackURLs, inputLogoutCallbackURL)
 	if err != nil {
 		return "", err
 	} else if matched == "" {
@@ -1155,21 +1237,6 @@ func (s *OidcService) getLogoutCallbackURL(client *model.OidcClient, inputLogout
 	return matched, nil
 }

-func (s *OidcService) getCallbackURLFromList(urls []string, inputCallbackURL string) (callbackURL string, err error) {
-	for _, callbackPattern := range urls {
-		regexPattern := "^" + strings.ReplaceAll(regexp.QuoteMeta(callbackPattern), `\*`, ".*") + "$"
-		matched, err := regexp.MatchString(regexPattern, inputCallbackURL)
-		if err != nil {
-			return "", err
-		}
-		if matched {
-			return inputCallbackURL, nil
-		}
-	}
-
-	return "", nil
-}
-
 func (s *OidcService) addCallbackURLToClient(ctx context.Context, client *model.OidcClient, callbackURL string, tx *gorm.DB) error {
 	// Add the new callback URL to the existing list
 	client.CallbackURLs = append(client.CallbackURLs, callbackURL)
@@ -1258,7 +1325,7 @@ func (s *OidcService) VerifyDeviceCode(ctx context.Context, userCode string, use
 		return fmt.Errorf("error finding user groups: %w", err)
 	}

-	if !s.IsUserGroupAllowedToAuthorize(user, deviceAuth.Client) {
+	if !IsUserGroupAllowedToAuthorize(user, deviceAuth.Client) {
 		return &common.OidcAccessDeniedError{}
 	}

@@ -1331,9 +1398,10 @@ func (s *OidcService) GetDeviceCodeInfo(ctx context.Context, userCode string, us

 	return &dto.DeviceCodeInfoDto{
 		Client: dto.OidcClientMetaDataDto{
-			ID:      deviceAuth.Client.ID,
-			Name:    deviceAuth.Client.Name,
-			HasLogo: deviceAuth.Client.HasLogo,
+			ID:          deviceAuth.Client.ID,
+			Name:        deviceAuth.Client.Name,
+			HasLogo:     deviceAuth.Client.HasLogo(),
+			HasDarkLogo: deviceAuth.Client.HasDarkLogo(),
 		},
 		Scope:                 deviceAuth.Scope,
 		AuthorizationRequired: !hasAuthorizedClient,
@@ -1357,7 +1425,7 @@ func (s *OidcService) GetAllowedGroupsCountOfClient(ctx context.Context, id stri
 	return count, nil
 }

-func (s *OidcService) ListAuthorizedClients(ctx context.Context, userID string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.UserAuthorizedOidcClient, utils.PaginationResponse, error) {
+func (s *OidcService) ListAuthorizedClients(ctx context.Context, userID string, listRequestOptions utils.ListRequestOptions) ([]model.UserAuthorizedOidcClient, utils.PaginationResponse, error) {

 	query := s.db.
 		WithContext(ctx).
@@ -1366,7 +1434,7 @@ func (s *OidcService) ListAuthorizedClients(ctx context.Context, userID string,
 		Where("user_id = ?", userID)

 	var authorizedClients []model.UserAuthorizedOidcClient
-	response, err := utils.PaginateAndSort(sortedPaginationRequest, query, &authorizedClients)
+	response, err := utils.PaginateFilterAndSort(listRequestOptions, query, &authorizedClients)

 	return authorizedClients, response, err
 }
@@ -1399,7 +1467,7 @@ func (s *OidcService) RevokeAuthorizedClient(ctx context.Context, userID string,
 	return nil
 }

-func (s *OidcService) ListAccessibleOidcClients(ctx context.Context, userID string, sortedPaginationRequest utils.SortedPaginationRequest) ([]dto.AccessibleOidcClientDto, utils.PaginationResponse, error) {
+func (s *OidcService) ListAccessibleOidcClients(ctx context.Context, userID string, listRequestOptions utils.ListRequestOptions) ([]dto.AccessibleOidcClientDto, utils.PaginationResponse, error) {
 	tx := s.db.Begin()
 	defer func() {
 		tx.Rollback()
@@ -1446,13 +1514,13 @@ func (s *OidcService) ListAccessibleOidcClients(ctx context.Context, userID stri

 	// Handle custom sorting for lastUsedAt column
 	var response utils.PaginationResponse
-	if sortedPaginationRequest.Sort.Column == "lastUsedAt" && utils.IsValidSortDirection(sortedPaginationRequest.Sort.Direction) {
+	if listRequestOptions.Sort.Column == "lastUsedAt" && utils.IsValidSortDirection(listRequestOptions.Sort.Direction) {
 		query = query.
 			Joins("LEFT JOIN user_authorized_oidc_clients ON oidc_clients.id = user_authorized_oidc_clients.client_id AND user_authorized_oidc_clients.user_id = ?", userID).
-			Order("user_authorized_oidc_clients.last_used_at " + sortedPaginationRequest.Sort.Direction + " NULLS LAST")
+			Order("user_authorized_oidc_clients.last_used_at " + listRequestOptions.Sort.Direction + " NULLS LAST")
 	}

-	response, err = utils.PaginateAndSort(sortedPaginationRequest, query, &clients)
+	response, err = utils.PaginateFilterAndSort(listRequestOptions, query, &clients)
 	if err != nil {
 		return nil, utils.PaginationResponse{}, err
 	}
@@ -1465,10 +1533,11 @@ func (s *OidcService) ListAccessibleOidcClients(ctx context.Context, userID stri
 		}
 		dtos[i] = dto.AccessibleOidcClientDto{
 			OidcClientMetaDataDto: dto.OidcClientMetaDataDto{
-				ID:        client.ID,
-				Name:      client.Name,
-				LaunchURL: client.LaunchURL,
-				HasLogo:   client.HasLogo,
+				ID:          client.ID,
+				Name:        client.Name,
+				LaunchURL:   client.LaunchURL,
+				HasLogo:     client.HasLogo(),
+				HasDarkLogo: client.HasDarkLogo(),
 			},
 			LastUsedAt: lastUsedAt,
 		}
@@ -1745,7 +1814,7 @@ func (s *OidcService) GetClientPreview(ctx context.Context, clientID string, use
 		tx.Rollback()
 	}()

-	client, err := s.getClientInternal(ctx, clientID, tx)
+	client, err := s.getClientInternal(ctx, clientID, tx, false)
 	if err != nil {
 		return nil, err
 	}
@@ -1760,7 +1829,7 @@ func (s *OidcService) GetClientPreview(ctx context.Context, clientID string, use
 		return nil, err
 	}

-	if !s.IsUserGroupAllowedToAuthorize(user, client) {
+	if !IsUserGroupAllowedToAuthorize(user, client) {
 		return nil, &common.OidcAccessDeniedError{}
 	}

@@ -1887,5 +1956,176 @@ func (s *OidcService) IsClientAccessibleToUser(ctx context.Context, clientID str
 		return false, err
 	}

-	return s.IsUserGroupAllowedToAuthorize(user, client), nil
+	return IsUserGroupAllowedToAuthorize(user, client), nil
+}
+
+var errLogoTooLarge = errors.New("logo is too large")
+
+func httpClientWithCheckRedirect(source *http.Client, checkRedirect func(req *http.Request, via []*http.Request) error) *http.Client {
+	if source == nil {
+		source = http.DefaultClient
+	}
+
+	// Create a new client that clones the transport
+	client := &http.Client{
+		Transport: source.Transport,
+	}
+
+	// Assign the CheckRedirect function
+	client.CheckRedirect = checkRedirect
+
+	return client
+}
+
+func (s *OidcService) downloadAndSaveLogoFromURL(parentCtx context.Context, clientID string, raw string, light bool) error {
+	u, err := url.Parse(raw)
+	if err != nil {
+		return err
+	}
+
+	ctx, cancel := context.WithTimeout(parentCtx, 15*time.Second)
+	defer cancel()
+
+	// Prevents SSRF by allowing only public IPs
+	ok, err := utils.IsURLPrivate(ctx, u)
+	if err != nil {
+		return err
+	} else if ok {
+		return errors.New("private IP addresses are not allowed")
+	}
+
+	// We need to check this on redirects too
+	client := httpClientWithCheckRedirect(s.httpClient, func(r *http.Request, via []*http.Request) error {
+		if len(via) >= 10 {
+			return errors.New("stopped after 10 redirects")
+		}
+
+		ok, err := utils.IsURLPrivate(r.Context(), r.URL)
+		if err != nil {
+			return err
+		} else if ok {
+			return errors.New("private IP addresses are not allowed")
+		}
+
+		return nil
+	})
+
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, raw, nil)
+	if err != nil {
+		return err
+	}
+	req.Header.Set("User-Agent", "pocket-id/oidc-logo-fetcher")
+	req.Header.Set("Accept", "image/*")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != http.StatusOK {
+		return fmt.Errorf("failed to fetch logo: %s", resp.Status)
+	}
+
+	const maxLogoSize int64 = 2 * 1024 * 1024 // 2MB
+	if resp.ContentLength > maxLogoSize {
+		return errLogoTooLarge
+	}
+
+	// Prefer extension in path if supported
+	ext := utils.GetFileExtension(u.Path)
+	if ext == "" || utils.GetImageMimeType(ext) == "" {
+		// Otherwise, try to detect from content type
+		ext = utils.GetImageExtensionFromMimeType(resp.Header.Get("Content-Type"))
+	}
+
+	if ext == "" {
+		return &common.FileTypeNotSupportedError{}
+	}
+
+	var darkSuffix string
+	if !light {
+		darkSuffix = "-dark"
+	}
+
+	imagePath := path.Join("oidc-client-images", clientID+darkSuffix+"."+ext)
+	err = s.fileStorage.Save(ctx, imagePath, utils.NewLimitReader(resp.Body, maxLogoSize+1))
+	if errors.Is(err, utils.ErrSizeExceeded) {
+		return errLogoTooLarge
+	} else if err != nil {
+		return err
+	}
+
+	err = s.updateClientLogoType(ctx, clientID, ext, light)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (s *OidcService) updateClientLogoType(ctx context.Context, clientID string, ext string, light bool) error {
+	var darkSuffix string
+	if !light {
+		darkSuffix = "-dark"
+	}
+
+	tx := s.db.Begin()
+	defer func() {
+		tx.Rollback()
+	}()
+
+	// We need to acquire an update lock for the row to be locked, since we'll update it later
+	var client model.OidcClient
+	err := tx.
+		WithContext(ctx).
+		Clauses(clause.Locking{Strength: "UPDATE"}).
+		First(&client, "id = ?", clientID).
+		Error
+	if err != nil {
+		return fmt.Errorf("failed to look up client: %w", err)
+	}
+
+	var currentType *string
+	if light {
+		currentType = client.ImageType
+		client.ImageType = &ext
+	} else {
+		currentType = client.DarkImageType
+		client.DarkImageType = &ext
+	}
+
+	err = tx.
+		WithContext(ctx).
+		Save(&client).
+		Error
+	if err != nil {
+		return fmt.Errorf("failed to save updated client: %w", err)
+	}
+
+	err = tx.Commit().Error
+	if err != nil {
+		return fmt.Errorf("failed to commit transaction: %w", err)
+	}
+
+	// Storage operations must be executed outside of a transaction
+	if currentType != nil && *currentType != ext {
+		old := path.Join("oidc-client-images", client.ID+darkSuffix+"."+*currentType)
+		_ = s.fileStorage.Delete(ctx, old)
+	}
+
+	return nil
+}
+
+func (s *OidcService) GetClientScimServiceProvider(ctx context.Context, clientID string) (model.ScimServiceProvider, error) {
+	var provider model.ScimServiceProvider
+	err := s.db.
+		WithContext(ctx).
+		First(&provider, "oidc_client_id = ?", clientID).
+		Error
+	if err != nil {
+		return model.ScimServiceProvider{}, err
+	}
+
+	return provider, nil
 }
--- a/backend/internal/service/oidc_service_test.go
+++ b/backend/internal/service/oidc_service_test.go
@@ -5,8 +5,13 @@ import (
 	"crypto/ecdsa"
 	"crypto/elliptic"
 	"crypto/rand"
+	"crypto/sha256"
+	"encoding/base64"
 	"encoding/json"
+	"io"
 	"net/http"
+	"strconv"
+	"strings"
 	"testing"
 	"time"

@@ -19,6 +24,7 @@ import (
 	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/dto"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	testutils "github.com/pocket-id/pocket-id/backend/internal/utils/testing"
 )

@@ -142,6 +148,7 @@ func TestOidcService_verifyClientCredentialsInternal(t *testing.T) {
 	var err error
 	// Create a test database
 	db := testutils.NewDatabaseForTest(t)
+	common.EnvConfig.EncryptionKey = []byte("0123456789abcdef0123456789abcdef")

 	// Create two JWKs for testing
 	privateJWK, jwkSetJSON := generateTestECDSAKey(t)
@@ -510,3 +517,460 @@ func TestOidcService_verifyClientCredentialsInternal(t *testing.T) {
 		})
 	})
 }
+
+func TestValidateCodeVerifier_Plain(t *testing.T) {
+	require.False(t, validateCodeVerifier("", "", false))
+	require.False(t, validateCodeVerifier("", "", true))
+
+	t.Run("plain", func(t *testing.T) {
+		require.False(t, validateCodeVerifier("", "challenge", false))
+		require.False(t, validateCodeVerifier("verifier", "", false))
+		require.True(t, validateCodeVerifier("plainVerifier", "plainVerifier", false))
+		require.False(t, validateCodeVerifier("plainVerifier", "otherVerifier", false))
+	})
+
+	t.Run("SHA 256", func(t *testing.T) {
+		codeVerifier := "dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk"
+		hash := sha256.Sum256([]byte(codeVerifier))
+		codeChallenge := base64.RawURLEncoding.EncodeToString(hash[:])
+
+		require.True(t, validateCodeVerifier(codeVerifier, codeChallenge, true))
+		require.False(t, validateCodeVerifier("wrongVerifier", codeChallenge, true))
+		require.False(t, validateCodeVerifier(codeVerifier, "!", true))
+
+		// Invalid base64
+		require.False(t, validateCodeVerifier("NOT!VALID", codeChallenge, true))
+	})
+}
+
+func TestOidcService_updateClientLogoType(t *testing.T) {
+	// Create a test database
+	db := testutils.NewDatabaseForTest(t)
+
+	// Create database storage
+	dbStorage, err := storage.NewDatabaseStorage(db)
+	require.NoError(t, err)
+
+	// Init the OidcService
+	s := &OidcService{
+		db:          db,
+		fileStorage: dbStorage,
+	}
+
+	// Create a test client
+	client := model.OidcClient{
+		Name:         "Test Client",
+		CallbackURLs: model.UrlList{"https://example.com/callback"},
+	}
+	err = db.Create(&client).Error
+	require.NoError(t, err)
+
+	// Helper function to check if a file exists in storage
+	fileExists := func(t *testing.T, path string) bool {
+		t.Helper()
+		_, _, err := dbStorage.Open(t.Context(), path)
+		return err == nil
+	}
+
+	// Helper function to create a dummy file in storage
+	createDummyFile := func(t *testing.T, path string) {
+		t.Helper()
+		err := dbStorage.Save(t.Context(), path, strings.NewReader("dummy content"))
+		require.NoError(t, err)
+	}
+
+	t.Run("Updates light logo type for client without previous logo", func(t *testing.T) {
+		// Update the logo type
+		err := s.updateClientLogoType(t.Context(), client.ID, "png", true)
+		require.NoError(t, err)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.ImageType)
+		assert.Equal(t, "png", *updatedClient.ImageType)
+	})
+
+	t.Run("Updates dark logo type for client without previous dark logo", func(t *testing.T) {
+		// Update the dark logo type
+		err := s.updateClientLogoType(t.Context(), client.ID, "jpg", false)
+		require.NoError(t, err)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.DarkImageType)
+		assert.Equal(t, "jpg", *updatedClient.DarkImageType)
+	})
+
+	t.Run("Updates light logo type and deletes old file when type changes", func(t *testing.T) {
+		// Create the old PNG file in storage
+		oldPath := "oidc-client-images/" + client.ID + ".png"
+		createDummyFile(t, oldPath)
+		require.True(t, fileExists(t, oldPath), "Old file should exist before update")
+
+		// Client currently has a PNG logo, update to WEBP
+		err := s.updateClientLogoType(t.Context(), client.ID, "webp", true)
+		require.NoError(t, err)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.ImageType)
+		assert.Equal(t, "webp", *updatedClient.ImageType)
+
+		// Old PNG file should be deleted
+		assert.False(t, fileExists(t, oldPath), "Old PNG file should have been deleted")
+	})
+
+	t.Run("Updates dark logo type and deletes old file when type changes", func(t *testing.T) {
+		// Create the old JPG dark file in storage
+		oldPath := "oidc-client-images/" + client.ID + "-dark.jpg"
+		createDummyFile(t, oldPath)
+		require.True(t, fileExists(t, oldPath), "Old dark file should exist before update")
+
+		// Client currently has a JPG dark logo, update to WEBP
+		err := s.updateClientLogoType(t.Context(), client.ID, "webp", false)
+		require.NoError(t, err)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.DarkImageType)
+		assert.Equal(t, "webp", *updatedClient.DarkImageType)
+
+		// Old JPG dark file should be deleted
+		assert.False(t, fileExists(t, oldPath), "Old JPG dark file should have been deleted")
+	})
+
+	t.Run("Does not delete file when type remains the same", func(t *testing.T) {
+		// Create the WEBP file in storage
+		webpPath := "oidc-client-images/" + client.ID + ".webp"
+		createDummyFile(t, webpPath)
+		require.True(t, fileExists(t, webpPath), "WEBP file should exist before update")
+
+		// Update to the same type (WEBP)
+		err := s.updateClientLogoType(t.Context(), client.ID, "webp", true)
+		require.NoError(t, err)
+
+		// Verify the client still has WEBP
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.ImageType)
+		assert.Equal(t, "webp", *updatedClient.ImageType)
+
+		// WEBP file should still exist since type didn't change
+		assert.True(t, fileExists(t, webpPath), "WEBP file should still exist")
+	})
+
+	t.Run("Returns error for non-existent client", func(t *testing.T) {
+		err := s.updateClientLogoType(t.Context(), "non-existent-client-id", "png", true)
+		require.Error(t, err)
+		require.ErrorContains(t, err, "failed to look up client")
+	})
+}
+
+func TestOidcService_downloadAndSaveLogoFromURL(t *testing.T) {
+	// Create a test database
+	db := testutils.NewDatabaseForTest(t)
+
+	// Create database storage
+	dbStorage, err := storage.NewDatabaseStorage(db)
+	require.NoError(t, err)
+
+	// Create a test client
+	client := model.OidcClient{
+		Name:         "Test Client",
+		CallbackURLs: model.UrlList{"https://example.com/callback"},
+	}
+	err = db.Create(&client).Error
+	require.NoError(t, err)
+
+	// Helper function to check if a file exists in storage
+	fileExists := func(t *testing.T, path string) bool {
+		t.Helper()
+		_, _, err := dbStorage.Open(t.Context(), path)
+		return err == nil
+	}
+
+	// Helper function to get file content from storage
+	getFileContent := func(t *testing.T, path string) []byte {
+		t.Helper()
+		reader, _, err := dbStorage.Open(t.Context(), path)
+		require.NoError(t, err)
+		defer reader.Close()
+		content, err := io.ReadAll(reader)
+		require.NoError(t, err)
+		return content
+	}
+
+	t.Run("Successfully downloads and saves PNG logo from URL", func(t *testing.T) {
+		// Create mock PNG content
+		pngContent := []byte("fake-png-content")
+
+		// Create a mock HTTP response with headers
+		//nolint:bodyclose
+		pngResponse := testutils.NewMockResponse(http.StatusOK, string(pngContent))
+		pngResponse.Header.Set("Content-Type", "image/png")
+
+		// Create a mock HTTP client with responses
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/logo.png": pngResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		// Init the OidcService with mock HTTP client
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		// Download and save the logo
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/logo.png", true)
+		require.NoError(t, err)
+
+		// Verify the file was saved
+		logoPath := "oidc-client-images/" + client.ID + ".png"
+		require.True(t, fileExists(t, logoPath), "Logo file should exist in storage")
+
+		// Verify the content
+		savedContent := getFileContent(t, logoPath)
+		assert.Equal(t, pngContent, savedContent)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.ImageType)
+		assert.Equal(t, "png", *updatedClient.ImageType)
+	})
+
+	t.Run("Successfully downloads and saves dark logo", func(t *testing.T) {
+		// Create mock WEBP content
+		webpContent := []byte("fake-webp-content")
+
+		//nolint:bodyclose
+		webpResponse := testutils.NewMockResponse(http.StatusOK, string(webpContent))
+		webpResponse.Header.Set("Content-Type", "image/webp")
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/dark-logo.webp": webpResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		// Download and save the dark logo
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/dark-logo.webp", false)
+		require.NoError(t, err)
+
+		// Verify the dark logo file was saved
+		darkLogoPath := "oidc-client-images/" + client.ID + "-dark.webp"
+		require.True(t, fileExists(t, darkLogoPath), "Dark logo file should exist in storage")
+
+		// Verify the content
+		savedContent := getFileContent(t, darkLogoPath)
+		assert.Equal(t, webpContent, savedContent)
+
+		// Verify the client was updated
+		var updatedClient model.OidcClient
+		err = db.First(&updatedClient, "id = ?", client.ID).Error
+		require.NoError(t, err)
+		require.NotNil(t, updatedClient.DarkImageType)
+		assert.Equal(t, "webp", *updatedClient.DarkImageType)
+	})
+
+	t.Run("Detects extension from URL path", func(t *testing.T) {
+		svgContent := []byte("<svg></svg>")
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/icon.svg": testutils.NewMockResponse(http.StatusOK, string(svgContent)),
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/icon.svg", true)
+		require.NoError(t, err)
+
+		// Verify SVG file was saved
+		logoPath := "oidc-client-images/" + client.ID + ".svg"
+		require.True(t, fileExists(t, logoPath), "SVG logo should exist")
+	})
+
+	t.Run("Detects extension from Content-Type when path has no extension", func(t *testing.T) {
+		jpgContent := []byte("fake-jpg-content")
+
+		//nolint:bodyclose
+		jpgResponse := testutils.NewMockResponse(http.StatusOK, string(jpgContent))
+		jpgResponse.Header.Set("Content-Type", "image/jpeg")
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/logo": jpgResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/logo", true)
+		require.NoError(t, err)
+
+		// Verify JPG file was saved (jpeg extension is normalized to jpg)
+		logoPath := "oidc-client-images/" + client.ID + ".jpg"
+		require.True(t, fileExists(t, logoPath), "JPG logo should exist")
+	})
+
+	t.Run("Returns error for invalid URL", func(t *testing.T) {
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  &http.Client{},
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "://invalid-url", true)
+		require.Error(t, err)
+	})
+
+	t.Run("Returns error for non-200 status code", func(t *testing.T) {
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/not-found.png": testutils.NewMockResponse(http.StatusNotFound, "Not Found"),
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/not-found.png", true)
+		require.Error(t, err)
+		require.ErrorContains(t, err, "failed to fetch logo")
+	})
+
+	t.Run("Returns error for too large content", func(t *testing.T) {
+		// Create content larger than 2MB (maxLogoSize)
+		largeContent := strings.Repeat("x", 2<<20+100) // 2.1MB
+
+		//nolint:bodyclose
+		largeResponse := testutils.NewMockResponse(http.StatusOK, largeContent)
+		largeResponse.Header.Set("Content-Type", "image/png")
+		largeResponse.Header.Set("Content-Length", strconv.Itoa(len(largeContent)))
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/large.png": largeResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/large.png", true)
+		require.Error(t, err)
+		require.ErrorIs(t, err, errLogoTooLarge)
+	})
+
+	t.Run("Returns error for unsupported file type", func(t *testing.T) {
+		//nolint:bodyclose
+		textResponse := testutils.NewMockResponse(http.StatusOK, "text content")
+		textResponse.Header.Set("Content-Type", "text/plain")
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/file.txt": textResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), client.ID, "https://example.com/file.txt", true)
+		require.Error(t, err)
+		var fileTypeErr *common.FileTypeNotSupportedError
+		require.ErrorAs(t, err, &fileTypeErr)
+	})
+
+	t.Run("Returns error for non-existent client", func(t *testing.T) {
+		//nolint:bodyclose
+		pngResponse := testutils.NewMockResponse(http.StatusOK, "content")
+		pngResponse.Header.Set("Content-Type", "image/png")
+
+		mockResponses := map[string]*http.Response{
+			//nolint:bodyclose
+			"https://example.com/logo.png": pngResponse,
+		}
+		httpClient := &http.Client{
+			Transport: &testutils.MockRoundTripper{
+				Responses: mockResponses,
+			},
+		}
+
+		s := &OidcService{
+			db:          db,
+			fileStorage: dbStorage,
+			httpClient:  httpClient,
+		}
+
+		err := s.downloadAndSaveLogoFromURL(t.Context(), "non-existent-client-id", "https://example.com/logo.png", true)
+		require.Error(t, err)
+		require.ErrorContains(t, err, "failed to look up client")
+	})
+}
--- a/backend/internal/service/scim_scheduler_service.go
+++ b/backend/internal/service/scim_scheduler_service.go
@@ -0,0 +1,136 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"log/slog"
+	"sync"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// ScimSchedulerService schedules and triggers periodic synchronization
+// of SCIM service providers. Each provider is tracked independently,
+// and sync operations are run at or after their scheduled time.
+type ScimSchedulerService struct {
+	scimService      *ScimService
+	providerSyncTime map[string]time.Time
+	mu               sync.RWMutex
+}
+
+func NewScimSchedulerService(ctx context.Context, scimService *ScimService) (*ScimSchedulerService, error) {
+	s := &ScimSchedulerService{
+		scimService:      scimService,
+		providerSyncTime: make(map[string]time.Time),
+	}
+
+	err := s.start(ctx)
+	return s, err
+}
+
+// ScheduleSync forces the given provider to be synced soon by
+// moving its next scheduled time to 5 minutes from now.
+func (s *ScimSchedulerService) ScheduleSync(providerID string) {
+	s.setSyncTime(providerID, 5*time.Minute)
+}
+
+// start initializes the scheduler and begins the synchronization loop.
+// Syncs happen every hour by default, but ScheduleSync can be called to schedule a sync sooner.
+func (s *ScimSchedulerService) start(ctx context.Context) error {
+	if err := s.refreshProviders(ctx); err != nil {
+		return err
+	}
+
+	go func() {
+		const (
+			syncCheckInterval    = 5 * time.Second
+			providerRefreshDelay = time.Minute
+		)
+
+		ticker := time.NewTicker(syncCheckInterval)
+		defer ticker.Stop()
+		lastProviderRefresh := time.Now()
+
+		for {
+			select {
+			case <-ctx.Done():
+				return
+				// Runs every 5 seconds to check if any provider is due for sync
+			case <-ticker.C:
+				now := time.Now()
+				if now.Sub(lastProviderRefresh) >= providerRefreshDelay {
+					err := s.refreshProviders(ctx)
+					if err != nil {
+						slog.Error("Error refreshing SCIM service providers",
+							slog.Any("error", err),
+						)
+					} else {
+						lastProviderRefresh = now
+					}
+				}
+
+				var due []string
+				s.mu.RLock()
+				for providerID, syncTime := range s.providerSyncTime {
+					if !syncTime.After(now) {
+						due = append(due, providerID)
+					}
+				}
+				s.mu.RUnlock()
+
+				s.syncProviders(ctx, due)
+
+			}
+		}
+	}()
+
+	return nil
+}
+
+func (s *ScimSchedulerService) refreshProviders(ctx context.Context) error {
+	providers, err := s.scimService.ListServiceProviders(ctx)
+	if err != nil {
+		return err
+	}
+
+	inAHour := time.Now().Add(time.Hour)
+
+	s.mu.Lock()
+	for _, provider := range providers {
+		if _, exists := s.providerSyncTime[provider.ID]; !exists {
+			s.providerSyncTime[provider.ID] = inAHour
+		}
+	}
+	s.mu.Unlock()
+
+	return nil
+}
+
+func (s *ScimSchedulerService) syncProviders(ctx context.Context, providerIDs []string) {
+	for _, providerID := range providerIDs {
+		err := s.scimService.SyncServiceProvider(ctx, providerID)
+		if err != nil {
+			if errors.Is(err, gorm.ErrRecordNotFound) {
+				// Remove the provider from the schedule if it no longer exists
+				s.mu.Lock()
+				delete(s.providerSyncTime, providerID)
+				s.mu.Unlock()
+			} else {
+				slog.Error("Error syncing SCIM client",
+					slog.String("provider_id", providerID),
+					slog.Any("error", err),
+				)
+			}
+			continue
+		}
+		// A successful sync schedules the next sync in an hour
+		s.setSyncTime(providerID, time.Hour)
+	}
+}
+
+func (s *ScimSchedulerService) setSyncTime(providerID string, t time.Duration) {
+	s.mu.Lock()
+	s.providerSyncTime[providerID] = time.Now().Add(t)
+	s.mu.Unlock()
+}
--- a/backend/internal/service/scim_service.go
+++ b/backend/internal/service/scim_service.go
@@ -0,0 +1,774 @@
+package service
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"io"
+	"log/slog"
+	"net/http"
+	"net/url"
+	"path"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/dto"
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/utils"
+	"gorm.io/gorm"
+)
+
+const (
+	scimUserSchema  = "urn:ietf:params:scim:schemas:core:2.0:User"
+	scimGroupSchema = "urn:ietf:params:scim:schemas:core:2.0:Group"
+	scimContentType = "application/scim+json"
+)
+
+const scimErrorBodyLimit = 4096
+
+type scimSyncAction int
+
+const (
+	scimActionNone scimSyncAction = iota
+	scimActionCreated
+	scimActionUpdated
+	scimActionDeleted
+)
+
+type scimSyncStats struct {
+	Created int
+	Updated int
+	Deleted int
+}
+
+// ScimService handles SCIM provisioning to external service providers.
+type ScimService struct {
+	db         *gorm.DB
+	httpClient *http.Client
+}
+
+func NewScimService(db *gorm.DB, httpClient *http.Client) *ScimService {
+	if httpClient == nil {
+		httpClient = &http.Client{Timeout: 20 * time.Second}
+	}
+
+	return &ScimService{db: db, httpClient: httpClient}
+}
+
+func (s *ScimService) GetServiceProvider(
+	ctx context.Context,
+	serviceProviderID string,
+) (model.ScimServiceProvider, error) {
+	var provider model.ScimServiceProvider
+	err := s.db.WithContext(ctx).
+		Preload("OidcClient").
+		Preload("OidcClient.AllowedUserGroups").
+		First(&provider, "id = ?", serviceProviderID).
+		Error
+	if err != nil {
+		return model.ScimServiceProvider{}, err
+	}
+	return provider, nil
+}
+
+func (s *ScimService) ListServiceProviders(ctx context.Context) ([]model.ScimServiceProvider, error) {
+	var providers []model.ScimServiceProvider
+	err := s.db.WithContext(ctx).
+		Preload("OidcClient").
+		Find(&providers).
+		Error
+	if err != nil {
+		return nil, err
+	}
+	return providers, nil
+}
+
+func (s *ScimService) CreateServiceProvider(
+	ctx context.Context,
+	input *dto.ScimServiceProviderCreateDTO) (model.ScimServiceProvider, error) {
+	provider := model.ScimServiceProvider{
+		Endpoint:     input.Endpoint,
+		Token:        datatype.EncryptedString(input.Token),
+		OidcClientID: input.OidcClientID,
+	}
+
+	if err := s.db.WithContext(ctx).Create(&provider).Error; err != nil {
+		return model.ScimServiceProvider{}, err
+	}
+
+	return provider, nil
+}
+
+func (s *ScimService) UpdateServiceProvider(ctx context.Context,
+	serviceProviderID string,
+	input *dto.ScimServiceProviderCreateDTO,
+) (model.ScimServiceProvider, error) {
+	var provider model.ScimServiceProvider
+	err := s.db.WithContext(ctx).
+		First(&provider, "id = ?", serviceProviderID).
+		Error
+	if err != nil {
+		return model.ScimServiceProvider{}, err
+	}
+
+	provider.Endpoint = input.Endpoint
+	provider.Token = datatype.EncryptedString(input.Token)
+	provider.OidcClientID = input.OidcClientID
+
+	if err := s.db.WithContext(ctx).Save(&provider).Error; err != nil {
+		return model.ScimServiceProvider{}, err
+	}
+
+	return provider, nil
+}
+
+func (s *ScimService) DeleteServiceProvider(ctx context.Context, serviceProviderID string) error {
+	return s.db.WithContext(ctx).
+		Delete(&model.ScimServiceProvider{}, "id = ?", serviceProviderID).
+		Error
+}
+
+func (s *ScimService) SyncServiceProvider(ctx context.Context, serviceProviderID string) error {
+	start := time.Now()
+	provider, err := s.GetServiceProvider(ctx, serviceProviderID)
+	if err != nil {
+		return err
+	}
+
+	slog.InfoContext(ctx, "Syncing SCIM service provider",
+		slog.String("provider_id", provider.ID),
+		slog.String("oidc_client_id", provider.OidcClientID),
+	)
+
+	allowedGroupIDs := groupIDs(provider.OidcClient.AllowedUserGroups)
+
+	// Load users and groups that should be synced to the SCIM provider
+	groups, err := s.groupsForClient(ctx, provider.OidcClient, allowedGroupIDs)
+	if err != nil {
+		return err
+	}
+	users, err := s.usersForClient(ctx, provider.OidcClient, allowedGroupIDs)
+	if err != nil {
+		return err
+	}
+
+	// Load users and groups that already exist in the SCIM provider
+	userResources, err := listScimResources[dto.ScimUser](s, ctx, provider, "/Users")
+	if err != nil {
+		return err
+	}
+	groupResources, err := listScimResources[dto.ScimGroup](s, ctx, provider, "/Groups")
+	if err != nil {
+		return err
+	}
+
+	var errs []error
+	var userStats scimSyncStats
+	var groupStats scimSyncStats
+
+	// Sync users first, so that groups can reference them
+	if stats, err := s.syncUsers(ctx, provider, users, &userResources); err != nil {
+		errs = append(errs, err)
+		userStats = stats
+	} else {
+		userStats = stats
+	}
+
+	stats, err := s.syncGroups(ctx, provider, groups, groupResources.Resources, userResources.Resources)
+	if err != nil {
+		errs = append(errs, err)
+		groupStats = stats
+	} else {
+		groupStats = stats
+	}
+
+	if len(errs) > 0 {
+		slog.WarnContext(ctx, "SCIM sync completed with errors",
+			slog.String("provider_id", provider.ID),
+			slog.Int("error_count", len(errs)),
+			slog.Int("users_created", userStats.Created),
+			slog.Int("users_updated", userStats.Updated),
+			slog.Int("users_deleted", userStats.Deleted),
+			slog.Int("groups_created", groupStats.Created),
+			slog.Int("groups_updated", groupStats.Updated),
+			slog.Int("groups_deleted", groupStats.Deleted),
+			slog.Duration("duration", time.Since(start)),
+		)
+		return errors.Join(errs...)
+	}
+
+	provider.LastSyncedAt = utils.Ptr(datatype.DateTime(time.Now()))
+	if err := s.db.WithContext(ctx).Save(&provider).Error; err != nil {
+		return err
+	}
+
+	slog.InfoContext(ctx, "SCIM sync completed",
+		slog.String("provider_id", provider.ID),
+		slog.Int("users_created", userStats.Created),
+		slog.Int("users_updated", userStats.Updated),
+		slog.Int("users_deleted", userStats.Deleted),
+		slog.Int("groups_created", groupStats.Created),
+		slog.Int("groups_updated", groupStats.Updated),
+		slog.Int("groups_deleted", groupStats.Deleted),
+		slog.Duration("duration", time.Since(start)),
+	)
+
+	return nil
+}
+
+func (s *ScimService) syncUsers(
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	users []model.User,
+	resourceList *dto.ScimListResponse[dto.ScimUser],
+) (stats scimSyncStats, err error) {
+	var errs []error
+
+	// Update or create users
+	for _, u := range users {
+		existing := getResourceByExternalID[dto.ScimUser](u.ID, resourceList.Resources)
+
+		action, created, err := s.syncUser(ctx, provider, u, existing)
+		if created != nil && existing == nil {
+			resourceList.Resources = append(resourceList.Resources, *created)
+		}
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		// Update stats based on action taken by syncUser
+		switch action {
+		case scimActionCreated:
+			stats.Created++
+		case scimActionUpdated:
+			stats.Updated++
+		case scimActionDeleted:
+			stats.Deleted++
+		case scimActionNone:
+		}
+	}
+
+	// Delete users that are present in SCIM provider but not locally.
+	userSet := make(map[string]struct{})
+	for _, u := range users {
+		userSet[u.ID] = struct{}{}
+	}
+
+	for _, r := range resourceList.Resources {
+		if _, ok := userSet[r.ExternalID]; !ok {
+			if err := s.deleteScimResource(ctx, provider, "/Users/"+url.PathEscape(r.ID)); err != nil {
+				errs = append(errs, err)
+			} else {
+				stats.Deleted++
+			}
+		}
+	}
+
+	return stats, errors.Join(errs...)
+}
+
+func (s *ScimService) syncGroups(
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	groups []model.UserGroup,
+	remoteGroups []dto.ScimGroup,
+	userResources []dto.ScimUser,
+) (stats scimSyncStats, err error) {
+	var errs []error
+
+	// Update or create groups
+	for _, g := range groups {
+		existing := getResourceByExternalID[dto.ScimGroup](g.ID, remoteGroups)
+
+		action, err := s.syncGroup(ctx, provider, g, existing, userResources)
+		if err != nil {
+			errs = append(errs, err)
+			continue
+		}
+
+		// Update stats based on action taken by syncGroup
+		switch action {
+		case scimActionCreated:
+			stats.Created++
+		case scimActionUpdated:
+			stats.Updated++
+		case scimActionDeleted:
+			stats.Deleted++
+		case scimActionNone:
+		}
+
+	}
+
+	// Delete groups that are present in SCIM provider but not locally
+	groupSet := make(map[string]struct{})
+	for _, g := range groups {
+		groupSet[g.ID] = struct{}{}
+	}
+
+	for _, r := range remoteGroups {
+		if _, ok := groupSet[r.ExternalID]; !ok {
+			if err := s.deleteScimResource(ctx, provider, "/Groups/"+url.PathEscape(r.GetID())); err != nil {
+				errs = append(errs, err)
+			} else {
+				stats.Deleted++
+			}
+		}
+	}
+
+	return stats, errors.Join(errs...)
+}
+
+func (s *ScimService) syncUser(ctx context.Context,
+	provider model.ScimServiceProvider,
+	user model.User,
+	userResource *dto.ScimUser,
+) (scimSyncAction, *dto.ScimUser, error) {
+	// If user is not allowed for the client, delete it from SCIM provider
+	if userResource != nil && !IsUserGroupAllowedToAuthorize(user, provider.OidcClient) {
+		return scimActionDeleted, nil, s.deleteScimResource(ctx, provider, fmt.Sprintf("/Users/%s", url.PathEscape(userResource.ID)))
+	}
+
+	payload := dto.ScimUser{
+		ScimResourceData: dto.ScimResourceData{
+			Schemas:    []string{scimUserSchema},
+			ExternalID: user.ID,
+		},
+		UserName: user.Username,
+		Name: &dto.ScimName{
+			GivenName:  user.FirstName,
+			FamilyName: user.LastName,
+		},
+		Display: user.DisplayName,
+		Active:  !user.Disabled,
+	}
+
+	if user.Email != nil {
+		payload.Emails = []dto.ScimEmail{{
+			Value:   *user.Email,
+			Primary: true,
+		}}
+	}
+
+	// If the user exists on the SCIM provider, and it has been modified, update it
+	if userResource != nil {
+		if user.LastModified().Before(userResource.GetMeta().LastModified) {
+			return scimActionNone, nil, nil
+		}
+		path := fmt.Sprintf("/Users/%s", url.PathEscape(userResource.GetID()))
+		userResource, err := updateScimResource(s, ctx, provider, path, payload)
+		if err != nil {
+			return scimActionNone, nil, err
+		}
+		return scimActionUpdated, userResource, nil
+	}
+
+	// Otherwise, create a new SCIM user
+	userResource, err := createScimResource(s, ctx, provider, "/Users", payload)
+	if err != nil {
+		return scimActionNone, nil, err
+	}
+
+	return scimActionCreated, userResource, nil
+}
+
+func (s *ScimService) syncGroup(
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	group model.UserGroup,
+	groupResource *dto.ScimGroup,
+	userResources []dto.ScimUser,
+) (scimSyncAction, error) {
+	// If group is not allowed for the client, delete it from SCIM provider
+	if groupResource != nil && !groupAllowedForClient(group.ID, provider.OidcClient) {
+		return scimActionDeleted, s.deleteScimResource(ctx, provider, fmt.Sprintf("/Groups/%s", url.PathEscape(groupResource.GetID())))
+	}
+
+	// Prepare group members
+	members := make([]dto.ScimGroupMember, len(group.Users))
+	for i, user := range group.Users {
+		userResource := getResourceByExternalID[dto.ScimUser](user.ID, userResources)
+		if userResource == nil {
+			// Groups depend on user IDs already being provisioned
+			return scimActionNone, fmt.Errorf("cannot sync group %s: user %s is not provisioned in SCIM provider", group.ID, user.ID)
+		}
+
+		members[i] = dto.ScimGroupMember{
+			Value: userResource.GetID(),
+		}
+	}
+
+	groupPayload := dto.ScimGroup{
+		ScimResourceData: dto.ScimResourceData{
+			Schemas:    []string{scimGroupSchema},
+			ExternalID: group.ID,
+		},
+		Display: group.FriendlyName,
+		Members: members,
+	}
+
+	// If the group exists on the SCIM provider, and it has been modified, update it
+	if groupResource != nil {
+		if group.LastModified().Before(groupResource.GetMeta().LastModified) {
+			return scimActionNone, nil
+		}
+		path := fmt.Sprintf("/Groups/%s", url.PathEscape(groupResource.GetID()))
+		_, err := updateScimResource(s, ctx, provider, path, groupPayload)
+		if err != nil {
+			return scimActionNone, err
+		}
+		return scimActionUpdated, nil
+	}
+
+	// Otherwise, create a new SCIM group
+	_, err := createScimResource(s, ctx, provider, "/Groups", groupPayload)
+	if err != nil {
+		return scimActionNone, err
+	}
+
+	return scimActionCreated, nil
+}
+
+func groupAllowedForClient(groupID string, client model.OidcClient) bool {
+	if !client.IsGroupRestricted {
+		return true
+	}
+
+	for _, allowedGroup := range client.AllowedUserGroups {
+		if allowedGroup.ID == groupID {
+			return true
+		}
+	}
+
+	return false
+}
+
+func groupIDs(groups []model.UserGroup) []string {
+	ids := make([]string, len(groups))
+	for i, g := range groups {
+		ids[i] = g.ID
+	}
+	return ids
+}
+
+func (s *ScimService) groupsForClient(
+	ctx context.Context,
+	client model.OidcClient,
+	allowedGroupIDs []string,
+) ([]model.UserGroup, error) {
+	var groups []model.UserGroup
+
+	query := s.db.WithContext(ctx).Preload("Users").Model(&model.UserGroup{})
+	if client.IsGroupRestricted {
+		if len(allowedGroupIDs) == 0 {
+			return groups, nil
+		}
+		query = query.Where("id IN ?", allowedGroupIDs)
+	}
+
+	if err := query.Find(&groups).Error; err != nil {
+		return nil, err
+	}
+	return groups, nil
+}
+
+func (s *ScimService) usersForClient(
+	ctx context.Context,
+	client model.OidcClient,
+	allowedGroupIDs []string,
+) ([]model.User, error) {
+	var users []model.User
+
+	query := s.db.WithContext(ctx).Model(&model.User{})
+	if client.IsGroupRestricted {
+		if len(allowedGroupIDs) == 0 {
+			return users, nil
+		}
+		query = query.
+			Joins("JOIN user_groups_users ON users.id = user_groups_users.user_id").
+			Where("user_groups_users.user_group_id IN ?", allowedGroupIDs).
+			Select("users.*").
+			Distinct()
+	}
+
+	query = query.Preload("UserGroups")
+
+	if err := query.Find(&users).Error; err != nil {
+		return nil, err
+	}
+	return users, nil
+}
+
+func getResourceByExternalID[T dto.ScimResource](externalID string, resource []T) *T {
+	for i := range resource {
+		if resource[i].GetExternalID() == externalID {
+			return &resource[i]
+		}
+	}
+	return nil
+}
+
+func listScimResources[T any](
+	s *ScimService,
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	path string,
+) (result dto.ScimListResponse[T], err error) {
+	startIndex := 1
+	count := 1000
+
+	for {
+		// Use SCIM pagination to avoid missing resources on large providers
+		queryParams := map[string]string{
+			"startIndex": strconv.Itoa(startIndex),
+			"count":      strconv.Itoa(count),
+		}
+
+		resp, err := s.scimRequest(ctx, provider, http.MethodGet, path, nil, queryParams)
+		if err != nil {
+			return dto.ScimListResponse[T]{}, err
+		}
+
+		if err := ensureScimStatus(ctx, resp, provider, http.StatusOK); err != nil {
+			return dto.ScimListResponse[T]{}, err
+		}
+
+		var page dto.ScimListResponse[T]
+		if err := json.NewDecoder(resp.Body).Decode(&page); err != nil {
+			return dto.ScimListResponse[T]{}, fmt.Errorf("failed to decode SCIM list response: %w", err)
+		}
+
+		resp.Body.Close()
+
+		// Initialize metadata only once
+		if result.TotalResults == 0 {
+			result.TotalResults = page.TotalResults
+		}
+
+		result.Resources = append(result.Resources, page.Resources...)
+
+		// If we've fetched everything, stop
+		if len(result.Resources) >= page.TotalResults || len(page.Resources) == 0 {
+			break
+		}
+
+		startIndex += page.ItemsPerPage
+	}
+
+	result.ItemsPerPage = len(result.Resources)
+	return result, nil
+}
+
+func createScimResource[T dto.ScimResource](
+	s *ScimService,
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	path string, payload T) (*T, error) {
+	resp, err := s.scimRequest(ctx, provider, http.MethodPost, path, payload, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if err := ensureScimStatus(ctx, resp, provider, http.StatusOK, http.StatusCreated); err != nil {
+		return nil, err
+	}
+
+	var resource T
+	if err := json.NewDecoder(resp.Body).Decode(&resource); err != nil {
+		return nil, fmt.Errorf("failed to decode SCIM create response: %w", err)
+	}
+
+	return &resource, nil
+}
+
+func updateScimResource[T dto.ScimResource](
+	s *ScimService,
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	path string,
+	payload T,
+) (*T, error) {
+	resp, err := s.scimRequest(ctx, provider, http.MethodPut, path, payload, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	if err := ensureScimStatus(ctx, resp, provider, http.StatusOK, http.StatusCreated); err != nil {
+		return nil, err
+	}
+
+	var resource T
+	if err := json.NewDecoder(resp.Body).Decode(&resource); err != nil {
+		return nil, fmt.Errorf("failed to decode SCIM update response: %w", err)
+	}
+
+	return &resource, nil
+}
+
+func (s *ScimService) deleteScimResource(ctx context.Context, provider model.ScimServiceProvider, path string) error {
+	resp, err := s.scimRequest(ctx, provider, http.MethodDelete, path, nil, nil)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode == http.StatusNotFound {
+		return nil
+	}
+
+	return ensureScimStatus(ctx, resp, provider, http.StatusOK, http.StatusNoContent)
+}
+
+func (s *ScimService) scimRequest(
+	ctx context.Context,
+	provider model.ScimServiceProvider,
+	method,
+	path string,
+	payload any,
+	queryParams map[string]string,
+) (*http.Response, error) {
+	urlString, err := scimURL(provider.Endpoint, path, queryParams)
+	if err != nil {
+		return nil, err
+	}
+
+	var bodyBytes []byte
+	if payload != nil {
+		encoded, err := json.Marshal(payload)
+		if err != nil {
+			return nil, fmt.Errorf("failed to encode SCIM payload: %w", err)
+		}
+		bodyBytes = encoded
+	}
+
+	retryAttempts := 3
+	for attempt := 1; attempt <= retryAttempts; attempt++ {
+		var body io.Reader
+		if bodyBytes != nil {
+			body = bytes.NewReader(bodyBytes)
+		}
+
+		req, err := http.NewRequestWithContext(ctx, method, urlString, body)
+		if err != nil {
+			return nil, err
+		}
+
+		req.Header.Set("Accept", scimContentType)
+		if payload != nil {
+			req.Header.Set("Content-Type", scimContentType)
+		}
+		token := string(provider.Token)
+		if token != "" {
+			req.Header.Set("Authorization", "Bearer "+token)
+		}
+
+		slog.Debug("Sending SCIM request",
+			slog.String("method", method),
+			slog.String("url", urlString),
+			slog.String("provider_id", provider.ID),
+		)
+
+		resp, err := s.httpClient.Do(req)
+		if err != nil {
+			return nil, err
+		}
+
+		// Only retry on 429 to avoid masking other errors
+		if resp.StatusCode != http.StatusTooManyRequests || attempt == retryAttempts {
+			return resp, nil
+		}
+
+		retryDelay := scimRetryDelay(resp.Header.Get("Retry-After"), attempt)
+		slog.WarnContext(ctx, "SCIM provider rate-limited, retrying",
+			slog.String("provider_id", provider.ID),
+			slog.String("method", method),
+			slog.String("url", urlString),
+			slog.Int("attempt", attempt),
+			slog.Duration("retry_after", retryDelay),
+		)
+
+		resp.Body.Close()
+		if err := utils.SleepWithContext(ctx, retryDelay); err != nil {
+			return nil, err
+		}
+	}
+
+	return nil, fmt.Errorf("scim request retry attempts exceeded")
+}
+
+func scimRetryDelay(retryAfter string, attempt int) time.Duration {
+	// Respect Retry-After when provided
+	if retryAfter != "" {
+		if seconds, err := strconv.Atoi(retryAfter); err == nil {
+			return time.Duration(seconds) * time.Second
+		}
+		if t, err := http.ParseTime(retryAfter); err == nil {
+			if delay := time.Until(t); delay > 0 {
+				return delay
+			}
+		}
+	}
+
+	// Exponential backoff otherwise
+	maxDelay := 10 * time.Second
+	delay := 500 * time.Millisecond * (time.Duration(1) << (attempt - 1)) //nolint:gosec // attempt is bounded 1-3
+	if delay > maxDelay {
+		return maxDelay
+	}
+	return delay
+}
+
+func scimURL(endpoint, p string, queryParams map[string]string) (string, error) {
+	u, err := url.Parse(endpoint)
+	if err != nil {
+		return "", fmt.Errorf("invalid scim endpoint: %w", err)
+	}
+
+	u.Path = path.Join(strings.TrimRight(u.Path, "/"), p)
+
+	q := u.Query()
+	for key, value := range queryParams {
+		q.Set(key, value)
+	}
+	u.RawQuery = q.Encode()
+
+	return u.String(), nil
+}
+
+func ensureScimStatus(
+	ctx context.Context,
+	resp *http.Response,
+	provider model.ScimServiceProvider,
+	allowedStatuses ...int) error {
+	for _, status := range allowedStatuses {
+		if resp.StatusCode == status {
+			return nil
+		}
+	}
+
+	body := readScimErrorBody(resp.Body)
+
+	slog.ErrorContext(ctx, "SCIM request failed",
+		slog.String("provider_id", provider.ID),
+		slog.String("method", resp.Request.Method),
+		slog.String("url", resp.Request.URL.String()),
+		slog.Int("status", resp.StatusCode),
+		slog.String("response_body", body),
+	)
+
+	return fmt.Errorf("scim request failed with status %d: %s", resp.StatusCode, body)
+}
+
+func readScimErrorBody(body io.Reader) string {
+	payload, err := io.ReadAll(io.LimitReader(body, scimErrorBodyLimit))
+	if err != nil {
+		return ""
+	}
+	return strings.TrimSpace(string(payload))
+}
--- a/backend/internal/service/user_group_service.go
+++ b/backend/internal/service/user_group_service.go
@@ -3,7 +3,9 @@ package service
 import (
 	"context"
 	"errors"
+	"time"

+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
 	"gorm.io/gorm"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
@@ -21,7 +23,7 @@ func NewUserGroupService(db *gorm.DB, appConfigService *AppConfigService) *UserG
 	return &UserGroupService{db: db, appConfigService: appConfigService}
 }

-func (s *UserGroupService) List(ctx context.Context, name string, sortedPaginationRequest utils.SortedPaginationRequest) (groups []model.UserGroup, response utils.PaginationResponse, err error) {
+func (s *UserGroupService) List(ctx context.Context, name string, listRequestOptions utils.ListRequestOptions) (groups []model.UserGroup, response utils.PaginationResponse, err error) {
 	query := s.db.
 		WithContext(ctx).
 		Preload("CustomClaims").
@@ -32,17 +34,14 @@ func (s *UserGroupService) List(ctx context.Context, name string, sortedPaginati
 	}

 	// As userCount is not a column we need to manually sort it
-	if sortedPaginationRequest.Sort.Column == "userCount" && utils.IsValidSortDirection(sortedPaginationRequest.Sort.Direction) {
+	if listRequestOptions.Sort.Column == "userCount" && utils.IsValidSortDirection(listRequestOptions.Sort.Direction) {
 		query = query.Select("user_groups.*, COUNT(user_groups_users.user_id)").
 			Joins("LEFT JOIN user_groups_users ON user_groups.id = user_groups_users.user_group_id").
 			Group("user_groups.id").
-			Order("COUNT(user_groups_users.user_id) " + sortedPaginationRequest.Sort.Direction)
-
-		response, err := utils.Paginate(sortedPaginationRequest.Pagination.Page, sortedPaginationRequest.Pagination.Limit, query, &groups)
-		return groups, response, err
+			Order("COUNT(user_groups_users.user_id) " + listRequestOptions.Sort.Direction)
 	}

-	response, err = utils.PaginateAndSort(sortedPaginationRequest, query, &groups)
+	response, err = utils.PaginateFilterAndSort(listRequestOptions, query, &groups)
 	return groups, response, err
 }

@@ -56,6 +55,7 @@ func (s *UserGroupService) getInternal(ctx context.Context, id string, tx *gorm.
 		Where("id = ?", id).
 		Preload("CustomClaims").
 		Preload("Users").
+		Preload("AllowedOidcClients").
 		First(&group).
 		Error
 	return group, err
@@ -153,6 +153,7 @@ func (s *UserGroupService) updateInternal(ctx context.Context, id string, input

 	group.Name = input.Name
 	group.FriendlyName = input.FriendlyName
+	group.UpdatedAt = utils.Ptr(datatype.DateTime(time.Now()))

 	err = tx.
 		WithContext(ctx).
@@ -216,6 +217,8 @@ func (s *UserGroupService) updateUsersInternal(ctx context.Context, id string, u
 	}

 	// Save the updated group
+	group.UpdatedAt = utils.Ptr(datatype.DateTime(time.Now()))
+
 	err = tx.
 		WithContext(ctx).
 		Save(&group).
@@ -251,3 +254,54 @@ func (s *UserGroupService) GetUserCountOfGroup(ctx context.Context, id string) (
 		Count()
 	return count, nil
 }
+
+func (s *UserGroupService) UpdateAllowedOidcClient(ctx context.Context, id string, input dto.UserGroupUpdateAllowedOidcClientsDto) (group model.UserGroup, err error) {
+	tx := s.db.Begin()
+	defer func() {
+		tx.Rollback()
+	}()
+
+	group, err = s.getInternal(ctx, id, tx)
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	// Fetch the clients based on the client IDs
+	var clients []model.OidcClient
+	if len(input.OidcClientIDs) > 0 {
+		err = tx.
+			WithContext(ctx).
+			Where("id IN (?)", input.OidcClientIDs).
+			Find(&clients).
+			Error
+		if err != nil {
+			return model.UserGroup{}, err
+		}
+	}
+
+	// Replace the current clients with the new set of clients
+	err = tx.
+		WithContext(ctx).
+		Model(&group).
+		Association("AllowedOidcClients").
+		Replace(clients)
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	// Save the updated group
+	err = tx.
+		WithContext(ctx).
+		Save(&group).
+		Error
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	err = tx.Commit().Error
+	if err != nil {
+		return model.UserGroup{}, err
+	}
+
+	return group, nil
+}
--- a/backend/internal/service/user_service.go
+++ b/backend/internal/service/user_service.go
@@ -7,20 +7,23 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"io/fs"
 	"log/slog"
 	"net/url"
-	"os"
+	"path"
 	"strings"
 	"time"

 	"github.com/google/uuid"
 	"go.opentelemetry.io/otel/trace"
 	"gorm.io/gorm"
+	"gorm.io/gorm/clause"

 	"github.com/pocket-id/pocket-id/backend/internal/common"
 	"github.com/pocket-id/pocket-id/backend/internal/dto"
 	"github.com/pocket-id/pocket-id/backend/internal/model"
 	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"github.com/pocket-id/pocket-id/backend/internal/storage"
 	"github.com/pocket-id/pocket-id/backend/internal/utils"
 	"github.com/pocket-id/pocket-id/backend/internal/utils/email"
 	profilepicture "github.com/pocket-id/pocket-id/backend/internal/utils/image"
@@ -33,9 +36,11 @@ type UserService struct {
 	emailService       *EmailService
 	appConfigService   *AppConfigService
 	customClaimService *CustomClaimService
+	appImagesService   *AppImagesService
+	fileStorage        storage.FileStorage
 }

-func NewUserService(db *gorm.DB, jwtService *JwtService, auditLogService *AuditLogService, emailService *EmailService, appConfigService *AppConfigService, customClaimService *CustomClaimService) *UserService {
+func NewUserService(db *gorm.DB, jwtService *JwtService, auditLogService *AuditLogService, emailService *EmailService, appConfigService *AppConfigService, customClaimService *CustomClaimService, appImagesService *AppImagesService, fileStorage storage.FileStorage) *UserService {
 	return &UserService{
 		db:                 db,
 		jwtService:         jwtService,
@@ -43,10 +48,12 @@ func NewUserService(db *gorm.DB, jwtService *JwtService, auditLogService *AuditL
 		emailService:       emailService,
 		appConfigService:   appConfigService,
 		customClaimService: customClaimService,
+		appImagesService:   appImagesService,
+		fileStorage:        fileStorage,
 	}
 }

-func (s *UserService) ListUsers(ctx context.Context, searchTerm string, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.User, utils.PaginationResponse, error) {
+func (s *UserService) ListUsers(ctx context.Context, searchTerm string, listRequestOptions utils.ListRequestOptions) ([]model.User, utils.PaginationResponse, error) {
 	var users []model.User
 	query := s.db.WithContext(ctx).
 		Model(&model.User{}).
@@ -60,7 +67,7 @@ func (s *UserService) ListUsers(ctx context.Context, searchTerm string, sortedPa
 			searchPattern, searchPattern, searchPattern, searchPattern)
 	}

-	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &users)
+	pagination, err := utils.PaginateFilterAndSort(listRequestOptions, query, &users)

 	return users, pagination, err
 }
@@ -87,39 +94,42 @@ func (s *UserService) GetProfilePicture(ctx context.Context, userID string) (io.
 		return nil, 0, &common.InvalidUUIDError{}
 	}

-	// First check for a custom uploaded profile picture (userID.png)
-	profilePicturePath := common.EnvConfig.UploadPath + "/profile-pictures/" + userID + ".png"
-	file, err := os.Open(profilePicturePath)
-	if err == nil {
-		// Get the file size
-		fileInfo, err := file.Stat()
-		if err != nil {
-			file.Close()
-			return nil, 0, err
-		}
-		return file, fileInfo.Size(), nil
-	}
-
-	// If no custom picture exists, get the user's data for creating initials
 	user, err := s.GetUser(ctx, userID)
 	if err != nil {
 		return nil, 0, err
 	}

-	// Check if we have a cached default picture for these initials
-	defaultProfilePicturesDir := common.EnvConfig.UploadPath + "/profile-pictures/defaults/"
-	defaultPicturePath := defaultProfilePicturesDir + user.Initials() + ".png"
-	file, err = os.Open(defaultPicturePath)
+	profilePicturePath := path.Join("profile-pictures", userID+".png")
+
+	// Try custom profile picture
+	file, size, err := s.fileStorage.Open(ctx, profilePicturePath)
 	if err == nil {
-		fileInfo, err := file.Stat()
-		if err != nil {
-			file.Close()
-			return nil, 0, err
-		}
-		return file, fileInfo.Size(), nil
+		return file, size, nil
+	} else if !errors.Is(err, fs.ErrNotExist) {
+		return nil, 0, err
 	}

-	// If no cached default picture exists, create one and save it for future use
+	// Try default global profile picture
+	if s.appImagesService.IsDefaultProfilePictureSet() {
+		reader, size, _, err := s.appImagesService.GetImage(ctx, "default-profile-picture")
+		if err == nil {
+			return reader, size, nil
+		}
+		if !errors.Is(err, &common.ImageNotFoundError{}) {
+			return nil, 0, err
+		}
+	}
+
+	// Try cached default for initials
+	defaultPicturePath := path.Join("profile-pictures", "defaults", user.Initials()+".png")
+	file, size, err = s.fileStorage.Open(ctx, defaultPicturePath)
+	if err == nil {
+		return file, size, nil
+	} else if !errors.Is(err, fs.ErrNotExist) {
+		return nil, 0, err
+	}
+
+	// Create and return generated default with initials
 	defaultPicture, err := profilepicture.CreateDefaultProfilePicture(user.Initials())
 	if err != nil {
 		return nil, 0, err
@@ -127,20 +137,16 @@ func (s *UserService) GetProfilePicture(ctx context.Context, userID string) (io.

 	// Save the default picture for future use (in a goroutine to avoid blocking)
 	defaultPictureBytes := defaultPicture.Bytes()
+	//nolint:contextcheck
 	go func() {
-		// Ensure the directory exists
-		errInternal := os.MkdirAll(defaultProfilePicturesDir, os.ModePerm)
-		if errInternal != nil {
-			slog.Error("Failed to create directory for default profile picture", slog.Any("error", errInternal))
-			return
-		}
-		errInternal = utils.SaveFileStream(bytes.NewReader(defaultPictureBytes), defaultPicturePath)
-		if errInternal != nil {
-			slog.Error("Failed to cache default profile picture for initials", slog.String("initials", user.Initials()), slog.Any("error", errInternal))
+		// Use bytes.NewReader because we need an io.ReadSeeker
+		rErr := s.fileStorage.Save(context.Background(), defaultPicturePath, bytes.NewReader(defaultPictureBytes))
+		if rErr != nil {
+			slog.Error("Failed to cache default profile picture", slog.String("initials", user.Initials()), slog.Any("error", rErr))
 		}
 	}()

-	return io.NopCloser(bytes.NewReader(defaultPictureBytes)), int64(defaultPicture.Len()), nil
+	return io.NopCloser(bytes.NewReader(defaultPictureBytes)), int64(len(defaultPictureBytes)), nil
 }

 func (s *UserService) GetUserGroups(ctx context.Context, userID string) ([]model.UserGroup, error) {
@@ -157,7 +163,7 @@ func (s *UserService) GetUserGroups(ctx context.Context, userID string) ([]model
 	return user.UserGroups, nil
 }

-func (s *UserService) UpdateProfilePicture(userID string, file io.Reader) error {
+func (s *UserService) UpdateProfilePicture(ctx context.Context, userID string, file io.ReadSeeker) error {
 	// Validate the user ID to prevent directory traversal
 	err := uuid.Validate(userID)
 	if err != nil {
@@ -170,15 +176,8 @@ func (s *UserService) UpdateProfilePicture(userID string, file io.Reader) error
 		return err
 	}

-	// Ensure the directory exists
-	profilePictureDir := common.EnvConfig.UploadPath + "/profile-pictures"
-	err = os.MkdirAll(profilePictureDir, os.ModePerm)
-	if err != nil {
-		return err
-	}
-
-	// Create the profile picture file
-	err = utils.SaveFileStream(profilePicture, profilePictureDir+"/"+userID+".png")
+	profilePicturePath := path.Join("profile-pictures", userID+".png")
+	err = s.fileStorage.Save(ctx, profilePicturePath, profilePicture)
 	if err != nil {
 		return err
 	}
@@ -187,17 +186,30 @@ func (s *UserService) UpdateProfilePicture(userID string, file io.Reader) error
 }

 func (s *UserService) DeleteUser(ctx context.Context, userID string, allowLdapDelete bool) error {
-	return s.db.Transaction(func(tx *gorm.DB) error {
-		return s.deleteUserInternal(ctx, userID, allowLdapDelete, tx)
+	err := s.db.Transaction(func(tx *gorm.DB) error {
+		return s.deleteUserInternal(ctx, tx, userID, allowLdapDelete)
 	})
+	if err != nil {
+		return fmt.Errorf("failed to delete user '%s': %w", userID, err)
+	}
+
+	// Storage operations must be executed outside of a transaction
+	profilePicturePath := path.Join("profile-pictures", userID+".png")
+	err = s.fileStorage.Delete(ctx, profilePicturePath)
+	if err != nil && !storage.IsNotExist(err) {
+		return fmt.Errorf("failed to delete profile picture for user '%s': %w", userID, err)
+	}
+
+	return nil
 }

-func (s *UserService) deleteUserInternal(ctx context.Context, userID string, allowLdapDelete bool, tx *gorm.DB) error {
+func (s *UserService) deleteUserInternal(ctx context.Context, tx *gorm.DB, userID string, allowLdapDelete bool) error {
 	var user model.User

 	err := tx.
 		WithContext(ctx).
 		Where("id = ?", userID).
+		Clauses(clause.Locking{Strength: "UPDATE"}).
 		First(&user).
 		Error
 	if err != nil {
@@ -209,13 +221,6 @@ func (s *UserService) deleteUserInternal(ctx context.Context, userID string, all
 		return &common.LdapUserUpdateError{}
 	}

-	// Delete the profile picture
-	profilePicturePath := common.EnvConfig.UploadPath + "/profile-pictures/" + userID + ".png"
-	err = os.Remove(profilePicturePath)
-	if err != nil && !os.IsNotExist(err) {
-		return err
-	}
-
 	err = tx.WithContext(ctx).Delete(&user).Error
 	if err != nil {
 		return fmt.Errorf("failed to delete user: %w", err)
@@ -244,6 +249,22 @@ func (s *UserService) CreateUser(ctx context.Context, input dto.UserCreateDto) (
 }

 func (s *UserService) createUserInternal(ctx context.Context, input dto.UserCreateDto, isLdapSync bool, tx *gorm.DB) (model.User, error) {
+	if s.appConfigService.GetDbConfig().RequireUserEmail.IsTrue() && input.Email == nil {
+		return model.User{}, &common.UserEmailNotSetError{}
+	}
+
+	var userGroups []model.UserGroup
+	if len(input.UserGroupIds) > 0 {
+		err := tx.
+			WithContext(ctx).
+			Where("id IN ?", input.UserGroupIds).
+			Find(&userGroups).
+			Error
+		if err != nil {
+			return model.User{}, err
+		}
+	}
+
 	user := model.User{
 		FirstName:   input.FirstName,
 		LastName:    input.LastName,
@@ -252,6 +273,8 @@ func (s *UserService) createUserInternal(ctx context.Context, input dto.UserCrea
 		Username:    input.Username,
 		IsAdmin:     input.IsAdmin,
 		Locale:      input.Locale,
+		Disabled:    input.Disabled,
+		UserGroups:  userGroups,
 	}
 	if input.LdapID != "" {
 		user.LdapID = &input.LdapID
@@ -275,7 +298,13 @@ func (s *UserService) createUserInternal(ctx context.Context, input dto.UserCrea

 	// Apply default groups and claims for new non-LDAP users
 	if !isLdapSync {
-		if err := s.applySignupDefaults(ctx, &user, tx); err != nil {
+		if len(input.UserGroupIds) == 0 {
+			if err := s.applyDefaultGroups(ctx, &user, tx); err != nil {
+				return model.User{}, err
+			}
+		}
+
+		if err := s.applyDefaultCustomClaims(ctx, &user, tx); err != nil {
 			return model.User{}, err
 		}
 	}
@@ -283,34 +312,51 @@ func (s *UserService) createUserInternal(ctx context.Context, input dto.UserCrea
 	return user, nil
 }

-func (s *UserService) applySignupDefaults(ctx context.Context, user *model.User, tx *gorm.DB) error {
+func (s *UserService) applyDefaultGroups(ctx context.Context, user *model.User, tx *gorm.DB) error {
 	config := s.appConfigService.GetDbConfig()

-	// Apply default user groups
 	var groupIDs []string
-	if v := config.SignupDefaultUserGroupIDs.Value; v != "" && v != "[]" {
-		if err := json.Unmarshal([]byte(v), &groupIDs); err != nil {
+	v := config.SignupDefaultUserGroupIDs.Value
+	if v != "" && v != "[]" {
+		err := json.Unmarshal([]byte(v), &groupIDs)
+		if err != nil {
 			return fmt.Errorf("invalid SignupDefaultUserGroupIDs JSON: %w", err)
 		}
 		if len(groupIDs) > 0 {
 			var groups []model.UserGroup
-			if err := tx.WithContext(ctx).Where("id IN ?", groupIDs).Find(&groups).Error; err != nil {
+			err = tx.WithContext(ctx).
+				Where("id IN ?", groupIDs).
+				Find(&groups).
+				Error
+			if err != nil {
 				return fmt.Errorf("failed to find default user groups: %w", err)
 			}
-			if err := tx.WithContext(ctx).Model(user).Association("UserGroups").Replace(groups); err != nil {
+
+			err = tx.WithContext(ctx).
+				Model(user).
+				Association("UserGroups").
+				Replace(groups)
+			if err != nil {
 				return fmt.Errorf("failed to associate default user groups: %w", err)
 			}
 		}
 	}
+	return nil
+}
+
+func (s *UserService) applyDefaultCustomClaims(ctx context.Context, user *model.User, tx *gorm.DB) error {
+	config := s.appConfigService.GetDbConfig()

-	// Apply default custom claims
 	var claims []dto.CustomClaimCreateDto
-	if v := config.SignupDefaultCustomClaims.Value; v != "" && v != "[]" {
-		if err := json.Unmarshal([]byte(v), &claims); err != nil {
+	v := config.SignupDefaultCustomClaims.Value
+	if v != "" && v != "[]" {
+		err := json.Unmarshal([]byte(v), &claims)
+		if err != nil {
 			return fmt.Errorf("invalid SignupDefaultCustomClaims JSON: %w", err)
 		}
 		if len(claims) > 0 {
-			if _, err := s.customClaimService.updateCustomClaimsInternal(ctx, UserID, user.ID, claims, tx); err != nil {
+			_, err = s.customClaimService.updateCustomClaimsInternal(ctx, UserID, user.ID, claims, tx)
+			if err != nil {
 				return fmt.Errorf("failed to apply default custom claims: %w", err)
 			}
 		}
@@ -339,10 +385,15 @@ func (s *UserService) UpdateUser(ctx context.Context, userID string, updatedUser
 }

 func (s *UserService) updateUserInternal(ctx context.Context, userID string, updatedUser dto.UserCreateDto, updateOwnUser bool, isLdapSync bool, tx *gorm.DB) (model.User, error) {
+	if s.appConfigService.GetDbConfig().RequireUserEmail.IsTrue() && updatedUser.Email == nil {
+		return model.User{}, &common.UserEmailNotSetError{}
+	}
+
 	var user model.User
 	err := tx.
 		WithContext(ctx).
 		Where("id = ?", userID).
+		Clauses(clause.Locking{Strength: "UPDATE"}).
 		First(&user).
 		Error
 	if err != nil {
@@ -375,6 +426,8 @@ func (s *UserService) updateUserInternal(ctx context.Context, userID string, upd
 		}
 	}

+	user.UpdatedAt = utils.Ptr(datatype.DateTime(time.Now()))
+
 	err = tx.
 		WithContext(ctx).
 		Save(&user).
@@ -403,30 +456,36 @@ func (s *UserService) RequestOneTimeAccessEmailAsAdmin(ctx context.Context, user
 		return &common.OneTimeAccessDisabledError{}
 	}

-	return s.requestOneTimeAccessEmailInternal(ctx, userID, "", ttl)
+	_, err := s.requestOneTimeAccessEmailInternal(ctx, userID, "", ttl, true)
+	return err
 }

-func (s *UserService) RequestOneTimeAccessEmailAsUnauthenticatedUser(ctx context.Context, userID, redirectPath string) error {
+func (s *UserService) RequestOneTimeAccessEmailAsUnauthenticatedUser(ctx context.Context, userID, redirectPath string) (string, error) {
 	isDisabled := !s.appConfigService.GetDbConfig().EmailOneTimeAccessAsUnauthenticatedEnabled.IsTrue()
 	if isDisabled {
-		return &common.OneTimeAccessDisabledError{}
+		return "", &common.OneTimeAccessDisabledError{}
 	}

 	var userId string
 	err := s.db.Model(&model.User{}).Select("id").Where("email = ?", userID).First(&userId).Error
-	if err != nil {
+	if errors.Is(err, gorm.ErrRecordNotFound) {
 		// Do not return error if user not found to prevent email enumeration
-		if errors.Is(err, gorm.ErrRecordNotFound) {
-			return nil
-		} else {
-			return err
-		}
+		return "", nil
+	} else if err != nil {
+		return "", err
 	}

-	return s.requestOneTimeAccessEmailInternal(ctx, userId, redirectPath, 15*time.Minute)
+	deviceToken, err := s.requestOneTimeAccessEmailInternal(ctx, userId, redirectPath, 15*time.Minute, true)
+	if err != nil {
+		return "", err
+	} else if deviceToken == nil {
+		return "", errors.New("device token expected but not returned")
+	}
+
+	return *deviceToken, nil
 }

-func (s *UserService) requestOneTimeAccessEmailInternal(ctx context.Context, userID, redirectPath string, ttl time.Duration) error {
+func (s *UserService) requestOneTimeAccessEmailInternal(ctx context.Context, userID, redirectPath string, ttl time.Duration, withDeviceToken bool) (*string, error) {
 	tx := s.db.Begin()
 	defer func() {
 		tx.Rollback()
@@ -434,17 +493,20 @@ func (s *UserService) requestOneTimeAccessEmailInternal(ctx context.Context, use

 	user, err := s.GetUser(ctx, userID)
 	if err != nil {
-		return err
+		return nil, err
 	}

-	oneTimeAccessToken, err := s.createOneTimeAccessTokenInternal(ctx, user.ID, ttl, tx)
+	if user.Email == nil {
+		return nil, &common.UserEmailNotSetError{}
+	}
+
+	oneTimeAccessToken, deviceToken, err := s.createOneTimeAccessTokenInternal(ctx, user.ID, ttl, withDeviceToken, tx)
 	if err != nil {
-		return err
+		return nil, err
 	}
-
 	err = tx.Commit().Error
 	if err != nil {
-		return err
+		return nil, err
 	}

 	// We use a background context here as this is running in a goroutine
@@ -464,7 +526,7 @@ func (s *UserService) requestOneTimeAccessEmailInternal(ctx context.Context, use

 		errInternal := SendEmail(innerCtx, s.emailService, email.Address{
 			Name:  user.FullName(),
-			Email: user.Email,
+			Email: *user.Email,
 		}, OneTimeAccessTemplate, &OneTimeAccessTemplateData{
 			Code:              oneTimeAccessToken,
 			LoginLink:         link,
@@ -472,33 +534,34 @@ func (s *UserService) requestOneTimeAccessEmailInternal(ctx context.Context, use
 			ExpirationString:  utils.DurationToString(ttl),
 		})
 		if errInternal != nil {
-			slog.ErrorContext(innerCtx, "Failed to send one-time access token email", slog.Any("error", errInternal), slog.String("address", user.Email))
+			slog.ErrorContext(innerCtx, "Failed to send one-time access token email", slog.Any("error", errInternal), slog.String("address", *user.Email))
 			return
 		}
 	}()

-	return nil
+	return deviceToken, nil
 }

-func (s *UserService) CreateOneTimeAccessToken(ctx context.Context, userID string, ttl time.Duration) (string, error) {
-	return s.createOneTimeAccessTokenInternal(ctx, userID, ttl, s.db)
+func (s *UserService) CreateOneTimeAccessToken(ctx context.Context, userID string, ttl time.Duration) (token string, err error) {
+	token, _, err = s.createOneTimeAccessTokenInternal(ctx, userID, ttl, false, s.db)
+	return token, err
 }

-func (s *UserService) createOneTimeAccessTokenInternal(ctx context.Context, userID string, ttl time.Duration, tx *gorm.DB) (string, error) {
-	oneTimeAccessToken, err := NewOneTimeAccessToken(userID, ttl)
+func (s *UserService) createOneTimeAccessTokenInternal(ctx context.Context, userID string, ttl time.Duration, withDeviceToken bool, tx *gorm.DB) (token string, deviceToken *string, err error) {
+	oneTimeAccessToken, err := NewOneTimeAccessToken(userID, ttl, withDeviceToken)
 	if err != nil {
-		return "", err
+		return "", nil, err
 	}

 	err = tx.WithContext(ctx).Create(oneTimeAccessToken).Error
 	if err != nil {
-		return "", err
+		return "", nil, err
 	}

-	return oneTimeAccessToken.Token, nil
+	return oneTimeAccessToken.Token, oneTimeAccessToken.DeviceToken, nil
 }

-func (s *UserService) ExchangeOneTimeAccessToken(ctx context.Context, token string, ipAddress, userAgent string) (model.User, string, error) {
+func (s *UserService) ExchangeOneTimeAccessToken(ctx context.Context, token, deviceToken, ipAddress, userAgent string) (model.User, string, error) {
 	tx := s.db.Begin()
 	defer func() {
 		tx.Rollback()
@@ -507,7 +570,9 @@ func (s *UserService) ExchangeOneTimeAccessToken(ctx context.Context, token stri
 	var oneTimeAccessToken model.OneTimeAccessToken
 	err := tx.
 		WithContext(ctx).
-		Where("token = ? AND expires_at > ?", token, datatype.DateTime(time.Now())).Preload("User").
+		Where("token = ? AND expires_at > ?", token, datatype.DateTime(time.Now())).
+		Preload("User").
+		Clauses(clause.Locking{Strength: "UPDATE"}).
 		First(&oneTimeAccessToken).
 		Error
 	if err != nil {
@@ -516,6 +581,10 @@ func (s *UserService) ExchangeOneTimeAccessToken(ctx context.Context, token stri
 		}
 		return model.User{}, "", err
 	}
+	if oneTimeAccessToken.DeviceToken != nil && deviceToken != *oneTimeAccessToken.DeviceToken {
+		return model.User{}, "", &common.DeviceCodeInvalid{}
+	}
+
 	accessToken, err := s.jwtService.GenerateAccessToken(oneTimeAccessToken.User)
 	if err != nil {
 		return model.User{}, "", err
@@ -579,6 +648,16 @@ func (s *UserService) UpdateUserGroups(ctx context.Context, id string, userGroup
 		return model.User{}, err
 	}

+	// Update the UpdatedAt field for all affected groups
+	now := time.Now()
+	for _, group := range groups {
+		group.UpdatedAt = utils.Ptr(datatype.DateTime(now))
+		err = tx.WithContext(ctx).Save(&group).Error
+		if err != nil {
+			return model.User{}, err
+		}
+	}
+
 	err = tx.Commit().Error
 	if err != nil {
 		return model.User{}, err
@@ -660,30 +739,20 @@ func (s *UserService) checkDuplicatedFields(ctx context.Context, user model.User
 }

 // ResetProfilePicture deletes a user's custom profile picture
-func (s *UserService) ResetProfilePicture(userID string) error {
+func (s *UserService) ResetProfilePicture(ctx context.Context, userID string) error {
 	// Validate the user ID to prevent directory traversal
 	if err := uuid.Validate(userID); err != nil {
 		return &common.InvalidUUIDError{}
 	}

-	// Build path to profile picture
-	profilePicturePath := common.EnvConfig.UploadPath + "/profile-pictures/" + userID + ".png"
-
-	// Check if file exists and delete it
-	if _, err := os.Stat(profilePicturePath); err == nil {
-		if err := os.Remove(profilePicturePath); err != nil {
-			return fmt.Errorf("failed to delete profile picture: %w", err)
-		}
-	} else if !os.IsNotExist(err) {
-		// If any error other than "file not exists"
-		return fmt.Errorf("failed to check if profile picture exists: %w", err)
+	profilePicturePath := path.Join("profile-pictures", userID+".png")
+	if err := s.fileStorage.Delete(ctx, profilePicturePath); err != nil {
+		return fmt.Errorf("failed to delete profile picture: %w", err)
 	}
-	// It's okay if the file doesn't exist - just means there's no custom picture to delete
-
 	return nil
 }

-func (s *UserService) disableUserInternal(ctx context.Context, userID string, tx *gorm.DB) error {
+func (s *UserService) disableUserInternal(ctx context.Context, tx *gorm.DB, userID string) error {
 	return tx.
 		WithContext(ctx).
 		Model(&model.User{}).
@@ -692,12 +761,22 @@ func (s *UserService) disableUserInternal(ctx context.Context, userID string, tx
 		Error
 }

-func (s *UserService) CreateSignupToken(ctx context.Context, ttl time.Duration, usageLimit int) (model.SignupToken, error) {
+func (s *UserService) CreateSignupToken(ctx context.Context, ttl time.Duration, usageLimit int, userGroupIDs []string) (model.SignupToken, error) {
 	signupToken, err := NewSignupToken(ttl, usageLimit)
 	if err != nil {
 		return model.SignupToken{}, err
 	}

+	var userGroups []model.UserGroup
+	err = s.db.WithContext(ctx).
+		Where("id IN ?", userGroupIDs).
+		Find(&userGroups).
+		Error
+	if err != nil {
+		return model.SignupToken{}, err
+	}
+	signupToken.UserGroups = userGroups
+
 	err = s.db.WithContext(ctx).Create(signupToken).Error
 	if err != nil {
 		return model.SignupToken{}, err
@@ -720,10 +799,13 @@ func (s *UserService) SignUp(ctx context.Context, signupData dto.SignUpDto, ipAd
 	}

 	var signupToken model.SignupToken
+	var userGroupIDs []string
 	if tokenProvided {
 		err := tx.
 			WithContext(ctx).
+			Preload("UserGroups").
 			Where("token = ?", signupData.Token).
+			Clauses(clause.Locking{Strength: "UPDATE"}).
 			First(&signupToken).
 			Error
 		if err != nil {
@@ -736,14 +818,19 @@ func (s *UserService) SignUp(ctx context.Context, signupData dto.SignUpDto, ipAd
 		if !signupToken.IsValid() {
 			return model.User{}, "", &common.TokenInvalidOrExpiredError{}
 		}
+
+		for _, group := range signupToken.UserGroups {
+			userGroupIDs = append(userGroupIDs, group.ID)
+		}
 	}

 	userToCreate := dto.UserCreateDto{
-		Username:    signupData.Username,
-		Email:       signupData.Email,
-		FirstName:   signupData.FirstName,
-		LastName:    signupData.LastName,
-		DisplayName: strings.TrimSpace(signupData.FirstName + " " + signupData.LastName),
+		Username:     signupData.Username,
+		Email:        signupData.Email,
+		FirstName:    signupData.FirstName,
+		LastName:     signupData.LastName,
+		DisplayName:  strings.TrimSpace(signupData.FirstName + " " + signupData.LastName),
+		UserGroupIds: userGroupIDs,
 	}

 	user, err := s.createUserInternal(ctx, userToCreate, false, tx)
@@ -782,11 +869,11 @@ func (s *UserService) SignUp(ctx context.Context, signupData dto.SignUpDto, ipAd
 	return user, accessToken, nil
 }

-func (s *UserService) ListSignupTokens(ctx context.Context, sortedPaginationRequest utils.SortedPaginationRequest) ([]model.SignupToken, utils.PaginationResponse, error) {
+func (s *UserService) ListSignupTokens(ctx context.Context, listRequestOptions utils.ListRequestOptions) ([]model.SignupToken, utils.PaginationResponse, error) {
 	var tokens []model.SignupToken
-	query := s.db.WithContext(ctx).Model(&model.SignupToken{})
+	query := s.db.WithContext(ctx).Preload("UserGroups").Model(&model.SignupToken{})

-	pagination, err := utils.PaginateAndSort(sortedPaginationRequest, query, &tokens)
+	pagination, err := utils.PaginateFilterAndSort(listRequestOptions, query, &tokens)
 	return tokens, pagination, err
 }

@@ -794,23 +881,33 @@ func (s *UserService) DeleteSignupToken(ctx context.Context, tokenID string) err
 	return s.db.WithContext(ctx).Delete(&model.SignupToken{}, "id = ?", tokenID).Error
 }

-func NewOneTimeAccessToken(userID string, ttl time.Duration) (*model.OneTimeAccessToken, error) {
+func NewOneTimeAccessToken(userID string, ttl time.Duration, withDeviceToken bool) (*model.OneTimeAccessToken, error) {
 	// If expires at is less than 15 minutes, use a 6-character token instead of 16
 	tokenLength := 16
 	if ttl <= 15*time.Minute {
 		tokenLength = 6
 	}

-	randomString, err := utils.GenerateRandomAlphanumericString(tokenLength)
+	token, err := utils.GenerateRandomUnambiguousString(tokenLength)
 	if err != nil {
 		return nil, err
 	}

+	var deviceToken *string
+	if withDeviceToken {
+		dt, err := utils.GenerateRandomAlphanumericString(16)
+		if err != nil {
+			return nil, err
+		}
+		deviceToken = &dt
+	}
+
 	now := time.Now().Round(time.Second)
 	o := &model.OneTimeAccessToken{
-		UserID:    userID,
-		ExpiresAt: datatype.DateTime(now.Add(ttl)),
-		Token:     randomString,
+		UserID:      userID,
+		ExpiresAt:   datatype.DateTime(now.Add(ttl)),
+		Token:       token,
+		DeviceToken: deviceToken,
 	}

 	return o, nil
--- a/backend/internal/service/version_service.go
+++ b/backend/internal/service/version_service.go
@@ -58,7 +58,7 @@ func (s *VersionService) GetLatestVersion(ctx context.Context) (string, error) {
 		}

 		if payload.TagName == "" {
-			return "", fmt.Errorf("GitHub API returned empty tag name")
+			return "", errors.New("GitHub API returned empty tag name")
 		}

 		return strings.TrimPrefix(payload.TagName, "v"), nil
--- a/backend/internal/service/webauthn_service.go
+++ b/backend/internal/service/webauthn_service.go
@@ -2,6 +2,8 @@ package service

 import (
 	"context"
+	"encoding/hex"
+	"errors"
 	"fmt"
 	"net/http"
 	"time"
@@ -81,6 +83,7 @@ func (s *WebAuthnService) BeginRegistration(ctx context.Context, userID string)
 		&user,
 		webauthn.WithResidentKeyRequirement(protocol.ResidentKeyRequirementRequired),
 		webauthn.WithExclusions(user.WebAuthnCredentialDescriptors()),
+		webauthn.WithExtensions(map[string]any{"credProps": true}), // Required for Firefox Android to properly save the key in Google password manager
 	)
 	if err != nil {
 		return nil, fmt.Errorf("failed to begin WebAuthn registration: %w", err)
@@ -89,6 +92,7 @@ func (s *WebAuthnService) BeginRegistration(ctx context.Context, userID string)
 	sessionToStore := &model.WebauthnSession{
 		ExpiresAt:        datatype.DateTime(session.Expires),
 		Challenge:        session.Challenge,
+		CredentialParams: session.CredParams,
 		UserVerification: string(session.UserVerification),
 	}

@@ -112,7 +116,7 @@ func (s *WebAuthnService) BeginRegistration(ctx context.Context, userID string)
 	}, nil
 }

-func (s *WebAuthnService) VerifyRegistration(ctx context.Context, sessionID, userID string, r *http.Request) (model.WebauthnCredential, error) {
+func (s *WebAuthnService) VerifyRegistration(ctx context.Context, sessionID string, userID string, r *http.Request, ipAddress string) (model.WebauthnCredential, error) {
 	tx := s.db.Begin()
 	defer func() {
 		tx.Rollback()
@@ -130,9 +134,10 @@ func (s *WebAuthnService) VerifyRegistration(ctx context.Context, sessionID, use
 	}

 	session := webauthn.SessionData{
-		Challenge: storedSession.Challenge,
-		Expires:   storedSession.ExpiresAt.ToTime(),
-		UserID:    []byte(userID),
+		Challenge:  storedSession.Challenge,
+		Expires:    storedSession.ExpiresAt.ToTime(),
+		CredParams: storedSession.CredentialParams,
+		UserID:     []byte(userID),
 	}

 	var user model.User
@@ -170,6 +175,9 @@ func (s *WebAuthnService) VerifyRegistration(ctx context.Context, sessionID, use
 		return model.WebauthnCredential{}, fmt.Errorf("failed to store WebAuthn credential: %w", err)
 	}

+	auditLogData := model.AuditLogData{"credentialID": hex.EncodeToString(credential.ID), "passkeyName": passkeyName}
+	s.auditLogService.Create(ctx, model.AuditLogEventPasskeyAdded, ipAddress, r.UserAgent(), userID, auditLogData, tx)
+
 	err = tx.Commit().Error
 	if err != nil {
 		return model.WebauthnCredential{}, fmt.Errorf("failed to commit transaction: %w", err)
@@ -285,16 +293,30 @@ func (s *WebAuthnService) ListCredentials(ctx context.Context, userID string) ([
 	return credentials, nil
 }

-func (s *WebAuthnService) DeleteCredential(ctx context.Context, userID, credentialID string) error {
-	err := s.db.
+func (s *WebAuthnService) DeleteCredential(ctx context.Context, userID string, credentialID string, ipAddress string, userAgent string) error {
+	tx := s.db.Begin()
+	defer func() {
+		tx.Rollback()
+	}()
+
+	credential := &model.WebauthnCredential{}
+	err := tx.
 		WithContext(ctx).
-		Where("id = ? AND user_id = ?", credentialID, userID).
-		Delete(&model.WebauthnCredential{}).
+		Clauses(clause.Returning{}).
+		Delete(credential, "id = ? AND user_id = ?", credentialID, userID).
 		Error
 	if err != nil {
 		return fmt.Errorf("failed to delete record: %w", err)
 	}

+	auditLogData := model.AuditLogData{"credentialID": hex.EncodeToString(credential.CredentialID), "passkeyName": credential.Name}
+	s.auditLogService.Create(ctx, model.AuditLogEventPasskeyRemoved, ipAddress, userAgent, userID, auditLogData, tx)
+
+	err = tx.Commit().Error
+	if err != nil {
+		return fmt.Errorf("failed to commit transaction: %w", err)
+	}
+
 	return nil
 }

@@ -350,7 +372,7 @@ func (s *WebAuthnService) CreateReauthenticationTokenWithAccessToken(ctx context

 	userID, ok := token.Subject()
 	if !ok {
-		return "", fmt.Errorf("access token does not contain user ID")
+		return "", errors.New("access token does not contain user ID")
 	}

 	// Check if token is issued less than a minute ago
--- a/backend/internal/storage/database.go
+++ b/backend/internal/storage/database.go
@@ -0,0 +1,226 @@
+package storage
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/pocket-id/pocket-id/backend/internal/model"
+	datatype "github.com/pocket-id/pocket-id/backend/internal/model/types"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+)
+
+var TypeDatabase = "database"
+
+type databaseStorage struct {
+	db *gorm.DB
+}
+
+// NewDatabaseStorage creates a new database storage provider
+func NewDatabaseStorage(db *gorm.DB) (FileStorage, error) {
+	if db == nil {
+		return nil, errors.New("database connection is required")
+	}
+	return &databaseStorage{db: db}, nil
+}
+
+func (s *databaseStorage) Type() string {
+	return TypeDatabase
+}
+
+func (s *databaseStorage) Save(ctx context.Context, relativePath string, data io.Reader) error {
+	// Normalize the path
+	relativePath = filepath.ToSlash(filepath.Clean(relativePath))
+
+	// Read all data into memory
+	b, err := io.ReadAll(data)
+	if err != nil {
+		return fmt.Errorf("failed to read data: %w", err)
+	}
+
+	now := datatype.DateTime(time.Now())
+	storage := model.Storage{
+		Path:      relativePath,
+		Data:      b,
+		Size:      int64(len(b)),
+		ModTime:   now,
+		CreatedAt: now,
+	}
+
+	// Use upsert: insert or update on conflict
+	result := s.db.
+		WithContext(ctx).
+		Clauses(clause.OnConflict{
+			Columns:   []clause.Column{{Name: "path"}},
+			DoUpdates: clause.AssignmentColumns([]string{"data", "size", "mod_time"}),
+		}).
+		Create(&storage)
+
+	if result.Error != nil {
+		return fmt.Errorf("failed to save file to database: %w", result.Error)
+	}
+
+	return nil
+}
+
+func (s *databaseStorage) Open(ctx context.Context, relativePath string) (io.ReadCloser, int64, error) {
+	relativePath = filepath.ToSlash(filepath.Clean(relativePath))
+
+	var storage model.Storage
+	result := s.db.
+		WithContext(ctx).
+		Where("path = ?", relativePath).
+		First(&storage)
+
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return nil, 0, os.ErrNotExist
+		}
+		return nil, 0, fmt.Errorf("failed to read file from database: %w", result.Error)
+	}
+
+	reader := io.NopCloser(bytes.NewReader(storage.Data))
+	return reader, storage.Size, nil
+}
+
+func (s *databaseStorage) Delete(ctx context.Context, relativePath string) error {
+	relativePath = filepath.ToSlash(filepath.Clean(relativePath))
+
+	result := s.db.
+		WithContext(ctx).
+		Where("path = ?", relativePath).
+		Delete(&model.Storage{})
+	if result.Error != nil {
+		return fmt.Errorf("failed to delete file from database: %w", result.Error)
+	}
+
+	return nil
+}
+
+func (s *databaseStorage) DeleteAll(ctx context.Context, prefix string) error {
+	prefix = filepath.ToSlash(filepath.Clean(prefix))
+
+	// If empty prefix, delete all
+	if isRootPath(prefix) {
+		result := s.db.
+			WithContext(ctx).
+			Where("1 = 1"). // Delete everything
+			Delete(&model.Storage{})
+		if result.Error != nil {
+			return fmt.Errorf("failed to delete all files from database: %w", result.Error)
+		}
+		return nil
+	}
+
+	// Ensure prefix ends with / for proper prefix matching
+	if !strings.HasSuffix(prefix, "/") {
+		prefix += "/"
+	}
+
+	query := s.db.WithContext(ctx)
+	query = addPathPrefixClause(s.db.Name(), query, prefix)
+	result := query.Delete(&model.Storage{})
+	if result.Error != nil {
+		return fmt.Errorf("failed to delete files with prefix '%s' from database: %w", prefix, result.Error)
+	}
+
+	return nil
+}
+
+func (s *databaseStorage) List(ctx context.Context, prefix string) ([]ObjectInfo, error) {
+	prefix = filepath.ToSlash(filepath.Clean(prefix))
+
+	var storageItems []model.Storage
+	query := s.db.WithContext(ctx)
+
+	if !isRootPath(prefix) {
+		// Ensure prefix matching
+		if !strings.HasSuffix(prefix, "/") {
+			prefix += "/"
+		}
+		query = addPathPrefixClause(s.db.Name(), query, prefix)
+	}
+
+	result := query.
+		Select("path", "size", "mod_time").
+		Find(&storageItems)
+	if result.Error != nil {
+		return nil, fmt.Errorf("failed to list files from database: %w", result.Error)
+	}
+
+	objects := make([]ObjectInfo, 0, len(storageItems))
+	for _, item := range storageItems {
+		// Filter out directory-like paths (those that contain additional slashes after the prefix)
+		relativePath := strings.TrimPrefix(item.Path, prefix)
+		if strings.ContainsRune(relativePath, '/') {
+			continue
+		}
+
+		objects = append(objects, ObjectInfo{
+			Path:    item.Path,
+			Size:    item.Size,
+			ModTime: time.Time(item.ModTime),
+		})
+	}
+
+	return objects, nil
+}
+
+func (s *databaseStorage) Walk(ctx context.Context, root string, fn func(ObjectInfo) error) error {
+	root = filepath.ToSlash(filepath.Clean(root))
+
+	var storageItems []model.Storage
+	query := s.db.WithContext(ctx)
+
+	if !isRootPath(root) {
+		// Ensure root matching
+		if !strings.HasSuffix(root, "/") {
+			root += "/"
+		}
+		query = addPathPrefixClause(s.db.Name(), query, root)
+	}
+
+	result := query.
+		Select("path", "size", "mod_time").
+		Find(&storageItems)
+	if result.Error != nil {
+		return fmt.Errorf("failed to walk files from database: %w", result.Error)
+	}
+
+	for _, item := range storageItems {
+		err := fn(ObjectInfo{
+			Path:    item.Path,
+			Size:    item.Size,
+			ModTime: time.Time(item.ModTime),
+		})
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func isRootPath(path string) bool {
+	return path == "" || path == "/" || path == "."
+}
+
+func addPathPrefixClause(dialect string, query *gorm.DB, prefix string) *gorm.DB {
+	// In SQLite, we use "GLOB" which can use the index
+	switch dialect {
+	case "sqlite":
+		return query.Where("path GLOB ?", prefix+"*")
+	case "postgres":
+		return query.Where("path LIKE ?", prefix+"%")
+	default:
+		// Indicates a development-time error
+		panic(fmt.Errorf("unsupported database dialect: %s", dialect))
+	}
+}
--- a/backend/internal/storage/database_test.go
+++ b/backend/internal/storage/database_test.go
@@ -0,0 +1,148 @@
+package storage
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	testingutil "github.com/pocket-id/pocket-id/backend/internal/utils/testing"
+)
+
+func TestDatabaseStorageOperations(t *testing.T) {
+	ctx := context.Background()
+	db := testingutil.NewDatabaseForTest(t)
+	store, err := NewDatabaseStorage(db)
+	require.NoError(t, err)
+
+	t.Run("type should be database", func(t *testing.T) {
+		assert.Equal(t, TypeDatabase, store.Type())
+	})
+
+	t.Run("save, open and list files", func(t *testing.T) {
+		err := store.Save(ctx, "images/logo.png", bytes.NewBufferString("logo-data"))
+		require.NoError(t, err)
+
+		reader, size, err := store.Open(ctx, "images/logo.png")
+		require.NoError(t, err)
+		defer reader.Close()
+
+		contents, err := io.ReadAll(reader)
+		require.NoError(t, err)
+		assert.Equal(t, []byte("logo-data"), contents)
+		assert.Equal(t, int64(len(contents)), size)
+
+		err = store.Save(ctx, "images/nested/child.txt", bytes.NewBufferString("child"))
+		require.NoError(t, err)
+
+		files, err := store.List(ctx, "images")
+		require.NoError(t, err)
+		require.Len(t, files, 1)
+		assert.Equal(t, "images/logo.png", files[0].Path)
+		assert.Equal(t, int64(len("logo-data")), files[0].Size)
+	})
+
+	t.Run("save should update existing file", func(t *testing.T) {
+		err := store.Save(ctx, "test/update.txt", bytes.NewBufferString("original"))
+		require.NoError(t, err)
+
+		err = store.Save(ctx, "test/update.txt", bytes.NewBufferString("updated"))
+		require.NoError(t, err)
+
+		reader, size, err := store.Open(ctx, "test/update.txt")
+		require.NoError(t, err)
+		defer reader.Close()
+
+		contents, err := io.ReadAll(reader)
+		require.NoError(t, err)
+		assert.Equal(t, []byte("updated"), contents)
+		assert.Equal(t, int64(len("updated")), size)
+	})
+
+	t.Run("delete files individually", func(t *testing.T) {
+		err := store.Save(ctx, "images/delete-me.txt", bytes.NewBufferString("temp"))
+		require.NoError(t, err)
+
+		require.NoError(t, store.Delete(ctx, "images/delete-me.txt"))
+		_, _, err = store.Open(ctx, "images/delete-me.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+	})
+
+	t.Run("delete missing file should not error", func(t *testing.T) {
+		require.NoError(t, store.Delete(ctx, "images/missing.txt"))
+	})
+
+	t.Run("delete all files", func(t *testing.T) {
+		require.NoError(t, store.Save(ctx, "cleanup/a.txt", bytes.NewBufferString("a")))
+		require.NoError(t, store.Save(ctx, "cleanup/b.txt", bytes.NewBufferString("b")))
+		require.NoError(t, store.Save(ctx, "cleanup/nested/c.txt", bytes.NewBufferString("c")))
+		require.NoError(t, store.DeleteAll(ctx, "/"))
+
+		_, _, err := store.Open(ctx, "cleanup/a.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		_, _, err = store.Open(ctx, "cleanup/b.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		_, _, err = store.Open(ctx, "cleanup/nested/c.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+	})
+
+	t.Run("delete all files under a prefix", func(t *testing.T) {
+		require.NoError(t, store.Save(ctx, "cleanup/a.txt", bytes.NewBufferString("a")))
+		require.NoError(t, store.Save(ctx, "cleanup/b.txt", bytes.NewBufferString("b")))
+		require.NoError(t, store.Save(ctx, "cleanup/nested/c.txt", bytes.NewBufferString("c")))
+		require.NoError(t, store.DeleteAll(ctx, "cleanup"))
+
+		_, _, err := store.Open(ctx, "cleanup/a.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		_, _, err = store.Open(ctx, "cleanup/b.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		_, _, err = store.Open(ctx, "cleanup/nested/c.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+	})
+
+	t.Run("walk files", func(t *testing.T) {
+		require.NoError(t, store.Save(ctx, "walk/file1.txt", bytes.NewBufferString("1")))
+		require.NoError(t, store.Save(ctx, "walk/file2.txt", bytes.NewBufferString("2")))
+		require.NoError(t, store.Save(ctx, "walk/nested/file3.txt", bytes.NewBufferString("3")))
+
+		var paths []string
+		err := store.Walk(ctx, "walk", func(info ObjectInfo) error {
+			paths = append(paths, info.Path)
+			return nil
+		})
+		require.NoError(t, err)
+		assert.Len(t, paths, 3)
+		assert.Contains(t, paths, "walk/file1.txt")
+		assert.Contains(t, paths, "walk/file2.txt")
+		assert.Contains(t, paths, "walk/nested/file3.txt")
+	})
+}
+
+func TestNewDatabaseStorage(t *testing.T) {
+	t.Run("should return error with nil database", func(t *testing.T) {
+		_, err := NewDatabaseStorage(nil)
+		require.Error(t, err)
+		assert.Contains(t, err.Error(), "database connection is required")
+	})
+
+	t.Run("should create storage with valid database", func(t *testing.T) {
+		db := testingutil.NewDatabaseForTest(t)
+		store, err := NewDatabaseStorage(db)
+		require.NoError(t, err)
+		assert.NotNil(t, store)
+	})
+}
--- a/backend/internal/storage/filesystem.go
+++ b/backend/internal/storage/filesystem.go
@@ -0,0 +1,193 @@
+package storage
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/google/uuid"
+)
+
+type filesystemStorage struct {
+	root             *os.Root
+	absoluteRootPath string
+}
+
+func NewFilesystemStorage(rootPath string) (FileStorage, error) {
+	if err := os.MkdirAll(rootPath, 0700); err != nil {
+		return nil, fmt.Errorf("failed to create root directory '%s': %w", rootPath, err)
+	}
+	root, err := os.OpenRoot(rootPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open root directory '%s': %w", rootPath, err)
+	}
+
+	absoluteRootPath, err := filepath.Abs(rootPath)
+	if err != nil {
+		return nil, fmt.Errorf("failed to get absolute path of root directory '%s': %w", rootPath, err)
+	}
+
+	return &filesystemStorage{root: root, absoluteRootPath: absoluteRootPath}, err
+}
+
+func (s *filesystemStorage) Type() string {
+	return TypeFileSystem
+}
+
+func (s *filesystemStorage) Save(_ context.Context, path string, data io.Reader) error {
+	path = filepath.FromSlash(path)
+
+	if err := s.root.MkdirAll(filepath.Dir(path), 0700); err != nil {
+		return fmt.Errorf("failed to create directories for path '%s': %w", path, err)
+	}
+
+	// Our strategy is to save to a separate file and then rename it to override the original file
+	tmpName := path + "." + uuid.NewString() + "-tmp"
+
+	// Write to the temporary file
+	tmpFile, err := s.root.Create(tmpName)
+	if err != nil {
+		return fmt.Errorf("failed to open file '%s' for writing: %w", tmpName, err)
+	}
+
+	_, err = io.Copy(tmpFile, data)
+	if err != nil {
+		tmpFile.Close()
+		_ = s.root.Remove(tmpName)
+		return fmt.Errorf("failed to write temporary file: %w", err)
+	}
+
+	if err = tmpFile.Close(); err != nil {
+		_ = s.root.Remove(tmpName)
+		return fmt.Errorf("failed to close temporary file: %w", err)
+	}
+
+	// Rename to the final file, which overrides existing files
+	// This is an atomic operation
+	if err = s.root.Rename(tmpName, path); err != nil {
+		_ = s.root.Remove(tmpName)
+		return fmt.Errorf("failed to move temporary file: %w", err)
+	}
+
+	return nil
+}
+
+func (s *filesystemStorage) Open(_ context.Context, path string) (io.ReadCloser, int64, error) {
+	path = filepath.FromSlash(path)
+
+	file, err := s.root.Open(path)
+	if err != nil {
+		return nil, 0, err
+	}
+	info, err := file.Stat()
+	if err != nil {
+		file.Close()
+		return nil, 0, err
+	}
+	return file, info.Size(), nil
+}
+
+func (s *filesystemStorage) Delete(_ context.Context, path string) error {
+	path = filepath.FromSlash(path)
+
+	err := s.root.Remove(path)
+	if err != nil && !errors.Is(err, fs.ErrNotExist) {
+		return err
+	}
+	return nil
+}
+
+func (s *filesystemStorage) DeleteAll(_ context.Context, path string) error {
+	path = filepath.FromSlash(path)
+
+	// If "/", "." or "" is requested, we delete all contents of the root.
+	if path == "" || path == "/" || path == "." {
+		dir, err := s.root.Open(".")
+		if err != nil {
+			return fmt.Errorf("failed to open root directory: %w", err)
+		}
+		defer dir.Close()
+
+		entries, err := dir.ReadDir(-1)
+		if err != nil {
+			return fmt.Errorf("failed to list root directory: %w", err)
+		}
+		for _, entry := range entries {
+			if err := s.root.RemoveAll(entry.Name()); err != nil {
+				return fmt.Errorf("failed to delete '%s': %w", entry.Name(), err)
+			}
+		}
+		return nil
+	}
+
+	return s.root.RemoveAll(path)
+}
+func (s *filesystemStorage) List(_ context.Context, path string) ([]ObjectInfo, error) {
+	path = filepath.FromSlash(path)
+
+	dir, err := s.root.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer dir.Close()
+
+	entries, err := dir.ReadDir(-1)
+	if err != nil {
+		return nil, err
+	}
+
+	objects := make([]ObjectInfo, 0, len(entries))
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+		info, err := entry.Info()
+		if err != nil {
+			return nil, err
+		}
+		objects = append(objects, ObjectInfo{
+			Path:    filepath.Join(path, entry.Name()),
+			Size:    info.Size(),
+			ModTime: info.ModTime(),
+		})
+	}
+	return objects, nil
+}
+func (s *filesystemStorage) Walk(_ context.Context, root string, fn func(ObjectInfo) error) error {
+	root = filepath.FromSlash(root)
+
+	fullPath := filepath.Clean(filepath.Join(s.absoluteRootPath, root))
+
+	// As we can't use os.Root here, we manually ensure that the fullPath is within the root directory
+	sep := string(filepath.Separator)
+	if !strings.HasPrefix(fullPath+sep, s.absoluteRootPath+sep) {
+		return fmt.Errorf("invalid root path: %s", root)
+	}
+
+	return filepath.WalkDir(fullPath, func(full string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+		rel, err := filepath.Rel(s.absoluteRootPath, full)
+		if err != nil {
+			return err
+		}
+		info, err := d.Info()
+		if err != nil {
+			return err
+		}
+		return fn(ObjectInfo{
+			Path:    filepath.ToSlash(rel),
+			Size:    info.Size(),
+			ModTime: info.ModTime(),
+		})
+	})
+}
--- a/backend/internal/storage/filesystem_test.go
+++ b/backend/internal/storage/filesystem_test.go
@@ -0,0 +1,68 @@
+package storage
+
+import (
+	"bytes"
+	"context"
+	"io"
+	"path/filepath"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestFilesystemStorageOperations(t *testing.T) {
+	ctx := context.Background()
+	store, err := NewFilesystemStorage(t.TempDir())
+	require.NoError(t, err)
+
+	t.Run("save, open and list files", func(t *testing.T) {
+		err := store.Save(ctx, "images/logo.png", bytes.NewBufferString("logo-data"))
+		require.NoError(t, err)
+
+		reader, size, err := store.Open(ctx, "images/logo.png")
+		require.NoError(t, err)
+		defer reader.Close()
+
+		contents, err := io.ReadAll(reader)
+		require.NoError(t, err)
+		assert.Equal(t, []byte("logo-data"), contents)
+		assert.Equal(t, int64(len(contents)), size)
+
+		err = store.Save(ctx, "images/nested/child.txt", bytes.NewBufferString("child"))
+		require.NoError(t, err)
+
+		files, err := store.List(ctx, "images")
+		require.NoError(t, err)
+		require.Len(t, files, 1)
+		assert.Equal(t, filepath.Join("images", "logo.png"), files[0].Path)
+		assert.Equal(t, int64(len("logo-data")), files[0].Size)
+	})
+
+	t.Run("delete files individually and idempotently", func(t *testing.T) {
+		err := store.Save(ctx, "images/delete-me.txt", bytes.NewBufferString("temp"))
+		require.NoError(t, err)
+
+		require.NoError(t, store.Delete(ctx, "images/delete-me.txt"))
+		_, _, err = store.Open(ctx, "images/delete-me.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		// Deleting a missing object should be a no-op.
+		require.NoError(t, store.Delete(ctx, "images/missing.txt"))
+	})
+
+	t.Run("delete all files under a prefix", func(t *testing.T) {
+		require.NoError(t, store.Save(ctx, "images/a.txt", bytes.NewBufferString("a")))
+		require.NoError(t, store.Save(ctx, "images/b.txt", bytes.NewBufferString("b")))
+		require.NoError(t, store.DeleteAll(ctx, "images"))
+
+		_, _, err := store.Open(ctx, "images/a.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+
+		_, _, err = store.Open(ctx, "images/b.txt")
+		require.Error(t, err)
+		assert.True(t, IsNotExist(err))
+	})
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Elias Schneider	f42ba3bbef	release: 2.0.1	2026-01-02 23:50:35 +01:00
Elias Schneider	2341da99e9	fix: restore old input input field size	2026-01-02 23:49:41 +01:00
Elias Schneider	2cce200892	fix: admins imported from LDAP lose admin privileges	2026-01-02 23:42:25 +01:00
Elias Schneider	cd2e9f3a2a	chore(docker): bump image tag to `v2`	2026-01-02 19:21:58 +01:00
Elias Schneider	f5e2c68ba3	release: 2.0.0	2026-01-02 19:07:32 +01:00
Elias Schneider	651b58aee6	chore(translations): update translations via Crowdin (#1184 )	2026-01-02 18:55:58 +01:00
Elias Schneider	ffb2ef91bd	tests: change translation string in e2e tests	2026-01-02 18:46:57 +01:00
Elias Schneider	4776b70d96	chore: upgrade dependencies	2026-01-02 17:55:24 +01:00
Elias Schneider	579cfdc678	feat: add support for SCIM provisioning (#1182 )	2026-01-02 17:54:20 +01:00
Elias Schneider	e4a8ca476c	refactor: run formatter	2026-01-02 17:45:53 +01:00
Kyle Mendell	386add08c4	refactor: update forms and other areas to use new shadcn components (#1115 ) Co-authored-by: Elias Schneider <login@eliasschneider.com> Co-authored-by: ItalyPaleAle <43508+ItalyPaleAle@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2026-01-02 17:45:08 +01:00
Elias Schneider	894eaf3cff	fix(translations): add missing translations to date picker	2026-01-02 15:57:50 +01:00
Elias Schneider	d9e7bf9eef	fix: remove ambiguous characters from login code	2026-01-02 15:48:46 +01:00
Elias Schneider	b19d901618	chore(translations): update translations via Crowdin (#1181 )	2026-01-01 16:56:11 +01:00
Kyle Mendell	0b625a9707	chore(deps): bump pnpm to version 10.27.0 (#1183 )	2026-01-01 16:55:54 +01:00
Elias Schneider	e60b80632f	chore: preparation for merge into main branch	2025-12-30 17:01:22 +01:00
Elias Schneider	078152d4db	fix!: make wildcard matching in callback URLs more stricter (#1161 )	2025-12-30 17:01:22 +01:00
Kyle Mendell	ba2f0f18f4	feat: remove DbProvider env variable and calculate it dynamically (#1114 )	2025-12-30 17:01:22 +01:00
Elias Schneider	3420a00073	feat: add CLI command for importing and exporting Pocket ID data (#998 ) Co-authored-by: Alessandro (Ale) Segala <43508+ItalyPaleAle@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>	2025-12-30 17:01:22 +01:00
Elias Schneider	f0144584af	feat!: drop support for storing JWK on the filesystem (#1088 )	2025-12-30 17:01:22 +01:00
Elias Schneider	e1c5021eee	fix!: rename `LDAP_ATTRIBUTE_ADMIN_GROUP` env variable to `LDAP_ADMIN_GROUP_NAME` (#1089 )	2025-12-30 17:01:22 +01:00
Elias Schneider	c0e490c28f	chore(translations): update translations via Crowdin (#1167 )	2025-12-29 09:03:44 -06:00
github-actions[bot]	3c98c98fe3	chore: update AAGUIDs (#1177 ) Co-authored-by: stonith404 <58886915+stonith404@users.noreply.github.com>	2025-12-29 09:03:25 -06:00
Elias Schneider	1bc9f5f7e7	feat: add "restricted" column to oidc client table	2025-12-24 14:05:37 +01:00
Elias Schneider	461293ba1d	ci/cd: remove `breaking/**` push trigger from actions	2025-12-24 11:45:15 +01:00
Elias Schneider	7c5ffbf9a5	chore(translations): update translations via Crowdin (#1134 )	2025-12-24 11:42:35 +01:00
Elias Schneider	f75cef83d5	feat: restrict oidc clients by user groups per default (#1164 )	2025-12-24 09:09:25 +01:00
Jenic Rycr	e358c433f0	feat: allow audit log retention to be controlled by env variable (#1158 )	2025-12-23 13:50:00 +01:00
Elias Schneider	08e4ffeb60	feat: minor redesign of auth pages	2025-12-22 21:36:23 +01:00
Elias Schneider	59ca6b26ac	feat: add ability define user groups for sign up tokens (#1155 )	2025-12-21 18:26:52 +01:00
Melvin Snijders	f5da11b99b	feat: add email logo customization (#1150 )	2025-12-17 16:20:22 +01:00
Elias Schneider	3eaf36aae7	fix: restrict email one time sign in token to same browser (#1144 )	2025-12-12 14:51:07 +01:00
Masahiro Ono	0a6ff6f84b	fix(translations): add Japanese locale to inlang settings (#1142 )	2025-12-10 16:43:31 +01:00
Elias Schneider	edb32d82b2	chore: fix type error after version bump	2025-12-10 16:41:59 +01:00
Elias Schneider	90f555f7c1	chore: upgrade dependencies	2025-12-10 16:13:24 +01:00
github-actions[bot]	177ada10ba	chore: update AAGUIDs (#1140 ) Co-authored-by: stonith404 <58886915+stonith404@users.noreply.github.com>	2025-12-07 19:41:51 -06:00
Elias Schneider	91b0d74c43	feat: add HTTP `HEAD` method support (#1135 )	2025-12-05 11:17:13 +01:00
Sebastian	3a1dd3168e	fix(translations): update image format message to include WEBP (#1133 )	2025-12-04 07:58:03 +00:00
Elias Schneider	25f67bd25a	tests: fix api key e2e test	2025-12-03 10:51:19 +01:00
Elias Schneider	e3483a9c78	chore(translations): update translations via Crowdin (#1129 )	2025-12-02 15:17:58 -06:00
github-actions[bot]	95d49256f6	chore: update AAGUIDs (#1128 ) Co-authored-by: stonith404 <58886915+stonith404@users.noreply.github.com>	2025-11-30 19:00:53 +01:00
Elias Schneider	8cddcb88e8	release: 1.16.0	2025-11-30 18:30:29 +01:00
Elias Schneider	a25d6ef56c	feat: add `Cache-Control: private, no-store` to all API routes per default (#1126 )	2025-11-30 18:29:35 +01:00
Elias Schneider	14c7471b52	refactor: run formatter	2025-11-30 18:17:22 +01:00
Elias Schneider	5d6a7fdb58	fix: hide theme switcher on auth pages because of dynamic background	2025-11-30 18:17:11 +01:00
Elias Schneider	a1cd3251cd	fix: theme mode not correctly applied if selected manually	2025-11-30 18:05:01 +01:00
Elias Schneider	4eeb06f29d	docs: add `ENCRYPTION_KEY` to `.env.example` for breaking change preparation	2025-11-30 13:14:15 +01:00
Elias Schneider	b2c718d13d	ci/cd: fix wrong storage value	2025-11-30 13:12:57 +01:00
Elias Schneider	8d30346f64	refactor: rename file backend value `fs` to `filesystem`	2025-11-30 12:56:15 +01:00
Elias Schneider	714b7744f0	chore(translations): update translations via Crowdin (#1123 )	2025-11-30 12:20:35 +01:00
Elias Schneider	d98c0a391a	fix: global audit log user filter not working	2025-11-29 23:15:50 +01:00
Mike Nestor	4fe56a8d5c	chore: update vscode launch.json (#1117 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-11-29 21:16:25 +01:00
Elias Schneider	cfc9e464d9	fix: automatically create parent directory of Sqlite db	2025-11-29 21:14:23 +01:00
Elias Schneider	3d46badb3c	chore: fix package vulnerabilities	2025-11-27 11:58:44 +01:00
Elias Schneider	f523f39483	tests: fix Dutch validation message	2025-11-25 22:51:20 +01:00
Elias Schneider	4bde271b47	chore: upgrade dependencies	2025-11-25 22:30:28 +01:00
Elias Schneider	a3c968758a	feat: add option to disable S3 integrity check	2025-11-25 22:14:44 +01:00
Elias Schneider	ca888b3dd2	chore(translations): add Finish files	2025-11-25 20:46:48 +01:00
Elias Schneider	ce88686c5f	chore(translations): update translations via Crowdin (#1111 )	2025-11-25 20:43:47 +01:00
Elias Schneider	a9b6635126	chore(translations): update translations via Crowdin (#1101 )	2025-11-23 17:10:24 +01:00
dependabot[bot]	e817f042ec	chore(deps): bump golang.org/x/crypto from 0.43.0 to 0.45.0 in /backend in the go_modules group across 1 directory (#1107 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-11-23 17:10:10 +01:00
Alessandro (Ale) Segala	c56afe016e	feat: adding/removing passkeys creates an entry in audit logs (#1099 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-11-16 14:51:38 -08:00
Alessandro (Ale) Segala	a54b867105	refactor: use constants for AppEnv values (#1098 )	2025-11-16 18:25:06 +01:00
Alessandro (Ale) Segala	29a1d3b778	feat: add database storage backend (#1091 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-11-16 18:23:46 +01:00
Elias Schneider	12125713a2	feat: add support for WEBP profile pictures (#1090 )	2025-11-11 10:56:20 -06:00
Elias Schneider	ab9c0f9ac0	ci/cd: run checks on PR to `breaking/**` branches	2025-11-11 11:21:39 +01:00
Elias Schneider	42b872d6b2	chore(translations): update translations via Crowdin (#1085 )	2025-11-10 14:46:48 +01:00
Elias Schneider	bfd71d090c	feat: add support for S3 storage backend (#1080 ) Co-authored-by: Alessandro (Ale) Segala <43508+ItalyPaleAle@users.noreply.github.com>	2025-11-10 09:02:25 +00:00
Kyle Mendell	d5e0cfd4a6	feat: light/dark/system mode switcher (#1081 )	2025-11-09 13:28:58 -06:00
Kyle Mendell	9981304b4b	chore(deps): update pnpm to 10.20 (#1082 )	2025-11-08 13:09:05 -06:00
Elias Schneider	5cf73e9309	fix: use `quoted-printable` encoding for mails to prevent line limitation	2025-11-08 17:34:43 +01:00
Elias Schneider	f125cf0dad	release: 1.15.0	2025-11-06 15:49:39 +01:00
Elias Schneider	6a038fcf9a	fix: remove redundant indexes in Postgres	2025-11-06 15:02:39 +01:00
Elias Schneider	76e0192cee	fix: disabled property gets ignored when creating an user	2025-11-06 12:28:07 +01:00
Elias Schneider	3ebf94dd84	chore(translations): update translations via Crowdin (#1059 )	2025-11-05 11:28:14 +01:00
dai	7ec57437ac	fix: replace %lang% placeholder in html lang (#1071 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-11-04 13:01:12 +00:00
Elias Schneider	ed2c7b2303	feat: add ability to set default profile picture (#1061 ) Co-authored-by: Alessandro (Ale) Segala <43508+ItalyPaleAle@users.noreply.github.com>	2025-11-04 13:40:00 +01:00
Elias Schneider	e03270eb9d	fix: sorting by PKCE and re-auth of OIDC clients	2025-11-04 13:27:05 +01:00
Elias Schneider	d683d18d91	chore: add support for OpenBSD binaries	2025-11-01 16:26:43 +01:00
Elias Schneider	f184120890	feat: open edit page on table row click	2025-10-29 10:46:03 +01:00
Elias Schneider	04d8500910	release: 1.14.2	2025-10-29 09:25:28 +01:00
Mufeed Ali	93639dddb2	fix: dark oidc client icons not saved on client creation (#1057 )	2025-10-28 12:35:56 +01:00
Elias Schneider	a190529117	chore(translations): add Turkish language files	2025-10-28 09:31:32 +01:00
Elias Schneider	73392b5837	release: 1.14.1	2025-10-27 14:07:34 +01:00
Elias Schneider	65616f65e5	fix: ignore trailing slashes in `APP_URL`	2025-10-27 10:48:27 +01:00
Elias Schneider	98a99fbb0a	chore(translations): update translations via Crowdin (#1048 )	2025-10-27 09:48:39 +01:00
Quentin L'Hours	3f3b6b88fd	fix: use credProps to save passkey on firefox android (#1055 )	2025-10-27 09:48:24 +01:00
Mufeed Ali	8f98d8c0b4	fix: Prevent blinding FOUC in dark mode (#1054 )	2025-10-26 20:40:25 +01:00
Elias Schneider	c9308472a9	release: 1.14.0	2025-10-24 13:47:58 +02:00
Elias Schneider	6362ff9861	chore: upgrade dependencies	2025-10-24 12:18:38 +02:00
Elias Schneider	10d640385f	fix: prevent page flickering on redirection based on auth state	2025-10-24 12:12:42 +02:00
Elias Schneider	47927d1574	fix: make pkce requirement visible in the oidc form if client is public	2025-10-24 10:57:44 +02:00
Elias Schneider	b356cef766	fix: only animate login background on initial page load	2025-10-24 10:53:51 +02:00
Elias Schneider	9fc45930a8	chore(translations): update translations via Crowdin (#1033 )	2025-10-24 09:58:00 +02:00
Kyle Mendell	028d1c858e	feat: add support for dark mode oidc client icons (#1039 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-10-24 09:57:12 +02:00
Alessandro (Ale) Segala	eb3963d0fc	fix: use constant time comparisons when validating PKCE challenges (#1047 )	2025-10-24 08:30:50 +02:00
dependabot[bot]	35d913f905	chore(deps-dev): bump vite from 7.0.7 to 7.0.8 in the npm_and_yarn group across 1 directory (#1042 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-10-21 18:04:28 -05:00
github-actions[bot]	32485f4c7c	chore: update AAGUIDs (#1041 ) Co-authored-by: stonith404 <58886915+stonith404@users.noreply.github.com>	2025-10-20 08:43:27 +02:00
Elias Schneider	ceb38b0825	chore(translations): update translations via Crowdin (#1025 )	2025-10-16 08:28:13 +02:00
dependabot[bot]	c0b6ede5be	chore(deps): bump sveltekit-superforms from 2.27.1 to 2.27.4 in the npm_and_yarn group across 1 directory (#1031 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2025-10-16 08:27:52 +02:00
Elias Schneider	c20e93b55c	feat: add various improvements to the table component (#961 ) Co-authored-by: Kyle Mendell <kmendell@ofkm.us>	2025-10-13 09:12:55 +00:00
Elias Schneider	24ca6a106d	chore(translations): update translations via Crowdin (#1014 )	2025-10-12 09:58:22 -05:00
Elias Schneider	9f0aa55be6	fix: ignore trailing slash in URL	2025-10-09 20:27:15 +02:00
Kyle Mendell	068fcc65a6	chore(translations): add Japanese files	2025-10-07 18:29:13 -05:00
Elias Schneider	f2dfb3da5d	release: 1.13.1	2025-10-07 08:21:41 +02:00
Elias Schneider	cbf0e3117d	fix: mark any callback url as valid if they contain a wildcard (#1006 )	2025-10-07 08:18:53 +02:00
CzBiX	694f266dea	fix: uploading a client logo with an URL fails (#1008 )	2025-10-06 10:37:43 -05:00
Kyle Mendell	29fc185376	chore: cleanup root of repo, update workflow actions (#1003 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-10-05 14:49:06 -05:00
Elias Schneider	781be37416	release: 1.13.0	2025-10-05 17:30:47 +02:00
Elias Schneider	b1f97e05a1	chore(translations): update translations via Crowdin (#999 )	2025-10-05 17:30:08 +02:00
Elias Schneider	2c74865173	feat: add link to API docs on API key page	2025-10-04 23:45:37 +02:00
Elias Schneider	ad8a90c839	fix: uploading a client logo with an URL fails if folder doesn't exist	2025-10-04 23:44:37 +02:00
Elias Schneider	f9839a978c	release: 1.12.0	2025-10-03 11:59:38 +02:00
Elias Schneider	b81de45166	fix: date locale can't be loaded if locale is `en`	2025-10-03 11:54:07 +02:00
Elias Schneider	22f4254932	fix: allow any image source but disallow base64	2025-10-03 11:50:39 +02:00
Elias Schneider	507f9490fa	feat: add the ability to make email optional (#994 )	2025-10-03 11:24:53 +02:00
Elias Schneider	043cce615d	feat: add required indicator for required inputs (#993 )	2025-10-01 13:44:17 +02:00
Elias Schneider	69e2083722	chore(translations): update translations via Crowdin (#992 )	2025-09-30 23:04:54 -05:00
Elias Schneider	d47b20326f	fix: improve back button handling on auth pages	2025-09-30 14:44:08 +02:00
Elias Schneider	fc9939d1f1	fix: prevent endless effect loop in login wrapper	2025-09-30 14:06:13 +02:00
Elias Schneider	2c1c67b5e4	fix: include port in OIDC client details	2025-09-30 12:18:44 +02:00
Elias Schneider	d010be4c88	feat: hide alternative sign in methods page if email login disabled	2025-09-30 12:15:08 +02:00
Elias Schneider	01db8c0a46	fix: make logo and oidc client images sizes consistent	2025-09-30 12:12:37 +02:00
Alessandro (Ale) Segala	fe5917d96d	fix: tokens issued with refresh token flow don't contain groups (#989 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-09-30 09:44:38 +00:00
Elias Schneider	4f0b434c54	chore(translations): update translations via Crowdin (#973 )	2025-09-30 11:39:47 +02:00
Kyle Mendell	6bdf5fa37a	feat: support for url based icons (#840 ) Co-authored-by: Elias Schneider <login@eliasschneider.com>	2025-09-29 15:07:55 +00:00
Caian Benedicto	47bd5ba1ba	fix: remove previous socket file to prevent bind error (#979 )	2025-09-24 10:10:05 +00:00
Elias Schneider	b746ac0835	chore(email): remove unnecessary logo fallback	2025-09-24 12:08:24 +02:00
Elias Schneider	79989fb176	fix(email): display login location correctly if country or city is not present	2025-09-24 12:01:20 +02:00
Clément Contini	ecc7e224e9	fix: show only country in audit log location if no city instead of Unknown (#977 )	2025-09-23 18:41:54 -05:00
Alessandro (Ale) Segala	549d219f44	fix(unit-tests): do not use cache=shared for in-memory SQLite (#971 )	2025-09-21 19:32:41 -05:00
github-actions[bot]	ffe18db2fb	chore: update AAGUIDs (#972 ) Co-authored-by: stonith404 <58886915+stonith404@users.noreply.github.com>	2025-09-21 19:31:44 -05:00
Elias Schneider	e8b172f1c3	chore(release notes): fix whitespace after commit message	2025-09-20 22:54:55 +02:00
@@ -1 +1 @@
 .11.2
 .0.1