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/containers.yml

@@ -0,0 +1,45 @@
+name: containers
+
+on:
+  push:
+    branches:
+      - dev
+    paths:
+      - packages/containers/**
+      - .github/workflows/containers.yml
+      - package.json
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build:
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    env:
+      REGISTRY: ghcr.io/${{ github.repository_owner }}
+      TAG: "24.04"
+    steps:
+      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - uses: ./.github/actions/setup-bun
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3.7.0
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3.12.0
+
+      - name: Login to GHCR
+        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push containers
+        run: bun ./packages/containers/script/build.ts --push
+        env:
+          REGISTRY: ${{ env.REGISTRY }}
+          TAG: ${{ env.TAG }}