feat: add emergency V2 PR generator (read-only recovery)

Provides a safe, low-cost way to publish the current cached state of the V2 portal without running the full AI pipeline. Guaranteed read-only cache access.

.github/workflows/agentic_v2_pr_only.yml

@@ -0,0 +1,91 @@
+name: Emergency V2 PR Generator (Read-Only Recovery)
+
+on:
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+concurrency:
+  group: v2-emergency-${{ github.ref }}
+  cancel-in-progress: false
+
+jobs:
+  recover-and-pr:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Repository Synchronization
+        uses: actions/checkout@v6
+        with:
+          ref: develop
+          fetch-depth: 0
+
+      - name: Python 3.11 Environment Provisioning
+        uses: actions/setup-python@v6
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+
+      - name: Restore Incremental Inventory Cache (Mandate 22)
+        uses: actions/cache/restore@v4
+        id: inventory-cache-restore
+        with:
+          path: data/inventory.yaml
+          key: inventory-v2-${{ github.run_id }}-${{ github.run_attempt }}
+          restore-keys: |
+            inventory-v2-
+
+      - name: Installation of Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install --no-cache-dir pydantic PyGithub httpx fake-useragent pytz python-dotenv pyyaml tenacity
+
+      - name: Assemble V2 Portal (Render Only)
+        env:
+          GEMINI_API_KEY_1: ${{ secrets.GEMINI_API_KEY_1 }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PYTHONPATH: .
+          PYTHONUNBUFFERED: "1"
+        run: |
+          # The --render-only flag short-circuits AI logic and uses the cached inventory.
+          python src/v2_optimizer.py --render-only
+          
+          if [ -f v2_safety_report.md ]; then
+            cat v2_safety_report.md >> pr_description.md
+          else
+            echo "No safety report generated." > pr_description.md
+          fi
+
+      - name: Consolidate README Metrics (Integrated)
+        env:
+          PYTHONPATH: .
+        run: |
+          python src/readme_updater.py
+          python src/safety_readme.py
+
+      - name: Safety Reset for Workflow Files (Security)
+        run: |
+          # Ensure no self-modification happens to avoid permission rejections
+          git checkout HEAD -- .github/workflows/
+
+      - name: Create Pull Request for V2 Elite Update
+        id: cpr
+        uses: peter-evans/create-pull-request@v8
+        with:
+          branch: bot/v2-elite-sync-emergency
+          base: develop
+          title: "V2 Elite: Agentic Optimization Sync (Emergency Recovery)"
+          body-path: pr_description.md
+          commit-message: "feat: sync V2 elite curated edition from partial cache [skip ci]"
+          labels: "v2-elite, agentic-sync"
+
+      - name: Post Supplementary Architecture Audit (Comment)
+        if: steps.cpr.outputs.pull-request-number != ''
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PR_NUMBER: ${{ steps.cpr.outputs.pull-request-number }}
+        run: |
+          if [ -f v2_file_audit.md ]; then
+            gh pr comment $PR_NUMBER --body-file v2_file_audit.md
+          fi