Initial commit: AirCoding V1.0.0 Alpha architecture baseline

Complete architecture document set with multi-model review remediation:
- Frozen interface contracts, runtime semantics, DB schemas
- Event/tool/error/provider registries
- Scheduler and main agent state machines
- C4 module/code views, solution architecture, baseline V1
- Multi-model review reports and joint assessment
- Phase-gate remediation complete (P0/P1/P2/UX resolved)
- Implementation plan with T-000A through T-045
- Reference folders kept as placeholders only

reference/claude-hud-0.0.12/.github/workflows/release.yml

@@ -0,0 +1,40 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 20.x
+          cache: npm
+      - run: npm ci
+      - run: npm run build
+      - run: npm test
+      - run: npm run test:coverage
+      - name: Extract release notes from CHANGELOG
+        run: |
+          version="${GITHUB_REF_NAME#v}"
+          awk -v version="$version" '
+            $0 ~ "^## \\[" version "\\]" { in_section = 1; next }
+            in_section && $0 ~ "^## \\[" { exit }
+            in_section { print }
+          ' CHANGELOG.md > RELEASE_NOTES.md
+
+          if [ ! -s RELEASE_NOTES.md ]; then
+            echo "No changelog section found for version $version"
+            exit 1
+          fi
+      - name: Create release
+        uses: softprops/action-gh-release@v2
+        with:
+          body_path: RELEASE_NOTES.md