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/openai-codex/.devcontainer/codex-install/pnpm-lock.yaml

@@ -0,0 +1,85 @@
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+
+settings:
+  autoInstallPeers: true
+  excludeLinksFromLockfile: false
+
+importers:
+
+  .:
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+        specifier: 0.121.0
+        version: 0.121.0
+
+packages:
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+    engines: {node: '>=16'}
+    hasBin: true
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+    engines: {node: '>=16'}
+    cpu: [arm64]
+    os: [darwin]
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+  '@openai/codex@0.121.0-darwin-x64':
+    resolution: {integrity: sha512-1/OAtdkAZ5yPI3xqaEFlHuPziS1yCqL2gOZdswE7HTmmwpIxi6Z3FCo60JWDPluIp89z4tftdjq73/OCN0YVcw==}
+    engines: {node: '>=16'}
+    cpu: [x64]
+    os: [darwin]
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+  '@openai/codex@0.121.0-linux-arm64':
+    resolution: {integrity: sha512-2UgMmdo237o7SCMsfb529cOSEM2HFUgN6OBkv5SBLwfNY1NO2Ex6JnUjlppEXlX6/4cXfZ5qjDghVz5j/+B9zw==}
+    engines: {node: '>=16'}
+    cpu: [arm64]
+    os: [linux]
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+  '@openai/codex@0.121.0-linux-x64':
+    resolution: {integrity: sha512-vlpNJXIqss800J+32Vy7TUZzv31n61b45OLxmsVQGFkTNLJcjFrj9jDUC7I62eC4F16gLioilefNfv4CdJQOEw==}
+    engines: {node: '>=16'}
+    cpu: [x64]
+    os: [linux]
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+    engines: {node: '>=16'}
+    cpu: [arm64]
+    os: [win32]
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+    engines: {node: '>=16'}
+    cpu: [x64]
+    os: [win32]
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+snapshots:
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+  '@openai/codex@0.121.0':
+    optionalDependencies:
+      '@openai/codex-darwin-arm64': '@openai/codex@0.121.0-darwin-arm64'
+      '@openai/codex-darwin-x64': '@openai/codex@0.121.0-darwin-x64'
+      '@openai/codex-linux-arm64': '@openai/codex@0.121.0-linux-arm64'
+      '@openai/codex-linux-x64': '@openai/codex@0.121.0-linux-x64'
+      '@openai/codex-win32-arm64': '@openai/codex@0.121.0-win32-arm64'
+      '@openai/codex-win32-x64': '@openai/codex@0.121.0-win32-x64'
+
+  '@openai/codex@0.121.0-darwin-arm64':
+    optional: true
+
+  '@openai/codex@0.121.0-darwin-x64':
+    optional: true
+
+  '@openai/codex@0.121.0-linux-arm64':
+    optional: true
+
+  '@openai/codex@0.121.0-linux-x64':
+    optional: true
+
+  '@openai/codex@0.121.0-win32-arm64':
+    optional: true
+
+  '@openai/codex@0.121.0-win32-x64':
+    optional: true