docs: add deploy scripts, skills, and pattern guides

Deploy scripts for webicached and webid (build, upload, restart).
AGENTS.md with releases.conf reference and variant tagging docs.
Installer archive pattern guide and version oddities reference.

docs/installer-patterns.md

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+# Installer Archive Patterns
+
+Every package falls into one of these archive structure patterns. When writing
+or modifying an `install.sh`, identify the pattern first — it determines the
+extraction and installation strategy.
+
+## Pattern A: Bare Binary in Archive
+
+Archive contains the binary (and maybe LICENSE/README) at the top level.
+
+Examples: awless, caddy, cilium, curlie, dashmsg, deno, dotenv, dotenv-linter,
+ffuf, fzf, gitdeploy, gprox, grype, hugo, hugo-extended, k9s, keypairs, koji,
+lf, monorel, ots, runzip, sclient, sqlc, sqlpkg, sttr, terraform, uuidv7, xcaddy
+
+Install: extract, move binary to `~/.local/opt/{pkg}-{ver}/bin/{binary}`, symlink.
+
+## Pattern B: Subdirectory with Binary Only
+
+Archive contains a version-named directory wrapping the binary and docs.
+
+Examples: delta, hexyl, kubectx, kubens, shellcheck, trip, xsv
+
+Typical directory naming: `{tool}-{ver}-{triplet}/`
+
+Install: extract, find binary in subdirectory, move to opt, symlink.
+
+Special cases:
+- `pathman`: bare binary named with full release tag (needs rename)
+- `yq`: binary named with platform suffix `yq_linux_amd64` (needs rename)
+
+## Pattern C: Binary + Completions + Man Pages
+
+Archive includes shell completions and/or man pages alongside the binary.
+
+| Package | Completions Dir | Man Page |
+|---------|----------------|----------|
+| bat | `autocomplete/` | `bat.1` |
+| fd | `autocomplete/{fd.bash,.fish,_fd}` | `fd.1` |
+| goreleaser | `completions/{.bash,.fish,.zsh}` | `manpages/*.1.gz` |
+| lsd | `autocomplete/{lsd.bash-completion,.fish,_lsd}` | `lsd.1` |
+| rg | `complete/{rg.bash,.fish,_rg}` | `doc/rg.1` |
+| sd | `completions/{sd.bash,.fish,_sd}` | `sd.1` |
+| watchexec | `completions/{bash,fish,zsh}` | `watchexec.1` |
+| zoxide | `completions/{zoxide.bash,.fish,_zoxide}` | `man/man1/zoxide*.1` |
+
+Install: extract, install binary, install completions to standard dirs, install
+man pages. Completion naming varies: `autocomplete/`, `completions/`, `complete/`.
+
+## Pattern D: Binary + Libraries
+
+Complex packages that bundle shared libraries.
+
+| Package | Layout |
+|---------|--------|
+| ollama (Linux) | `bin/ollama` + `lib/ollama/{cuda_v12,cuda_v13,vulkan}/` |
+| pg/postgres/psql | `bin/psql` + `lib/{libpq,libz,...}.so` + `include/` |
+| sass | `dart-sass/sass` (wrapper) + `dart-sass/src/{dart,sass.snapshot}` |
+| syncthing | `syncthing-{triplet}-{ver}/syncthing` + `etc/{systemd,...}/` |
+| xz | `xz-{ver}-{triplet}/xz` + `xz-{ver}-{triplet}/unxz` |
+
+Install: extract entire directory tree into opt, symlink binary.
+
+## Pattern E: FHS-like Layout (bin/ + share/)
+
+Archive already follows standard layout.
+
+| Package | Layout |
+|---------|--------|
+| gh | `gh_{ver}_{os}_{arch}/bin/gh` + `share/man/man1/*.1` |
+| pandoc | `pandoc-{ver}/bin/{pandoc,...}` + `share/man/man1/*.1.gz` |
+
+Install: extract directly into opt (already correct layout).
+
+## Pattern G: Full SDK/Toolchain
+
+Self-contained toolchain with compiler, runtime, standard library.
+
+| Package | Layout |
+|---------|--------|
+| cmake | `cmake-{ver}-{os}-{arch}/bin/{cmake,ctest,...}` + `share/` + `man/` |
+| tinygo | `tinygo/bin/tinygo` + `tinygo/src/` + `tinygo/targets/` |
+| go | `go/bin/{go,gofmt}` + `go/src/` + `go/pkg/` |
+| zig | `zig-{os}-{arch}-{ver}/zig` + `lib/` |
+| flutter | `flutter/bin/flutter` + full SDK |
+| julia | `julia-{ver}/bin/julia` + full SDK |
+| node | `node-{ver}-{os}-{arch}/bin/{node,npm,npx}` + `lib/` |
+
+Install: extract entire tree into `~/.local/opt/{pkg}-{ver}/`, symlink `bin/*`.
+
+## Pattern H: .NET Runtime Bundle
+
+Flat archive with hundreds of DLLs.
+
+Example: pwsh — `pwsh` binary + `*.dll` + locale dirs
+
+Install: extract entire directory into opt, symlink primary binary.
+
+## Pattern I: Multi-Binary Distribution
+
+Archive contains multiple related binaries + libs.
+
+| Package | Layout |
+|---------|--------|
+| dashcore | `dashcore-{ver}/bin/{dashd,dash-cli,...}` + `lib/` + `share/man/` |
+| mutagen | `mutagen` + `mutagen-agents.tar.gz` (embedded agent archive) |
+
+Install: extract into opt, symlink primary binary.
+
+## Format Changes Over Time
+
+Most packages have stable formats. Notable structural changes:
+
+| Package | When | Change |
+|---------|------|--------|
+| sd | 2023 | zip → tar.gz, added completions + man page |
+| ollama | 2025-2026 | bare binary → no GitHub release → tar.zst with lib/ |
+| deno | 2020-2021 | .gz (gzipped binary) → .zip |
+| hugo | 2017-2018 | zip → tar.gz; 2024: macOS → .pkg only |
+| gh | 2024 | darwin: tar.gz → .pkg |
+| sclient | 2023 | tar.gz → tar.xz |
+| watchexec | 2019-2020 | tar.gz → tar.xz |