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/opencode-1.15.5/.github/workflows/publish-vscode.yml

@@ -0,0 +1,37 @@
+name: publish-vscode
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "vscode-v*.*.*"
+
+concurrency: ${{ github.workflow }}-${{ github.ref }}
+
+permissions:
+  contents: write
+
+jobs:
+  publish:
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    steps:
+      - uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # v3.6.0
+        with:
+          fetch-depth: 0
+
+      - uses: ./.github/actions/setup-bun
+
+      - run: git fetch --force --tags
+      - run: bun install -g @vscode/vsce
+
+      - name: Install extension dependencies
+        run: bun install
+        working-directory: ./sdks/vscode
+
+      - name: Publish
+        run: |
+          ./script/publish
+        working-directory: ./sdks/vscode
+        env:
+          VSCE_PAT: ${{ secrets.VSCE_PAT }}
+          OPENVSX_TOKEN: ${{ secrets.OPENVSX_TOKEN }}