chore: push all design docs, V2 plan specs, and current working state

Includes AirPlan design documents, AircOding-alpha1-plan, AirPlanV2,
AirPlan-ParaV2, AirPlan-Para V1 reference docs, and all working code
changes across packages.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

AirPlan/docs/spec/AirPlan-ParaV2/plugins/airarc/.codex-plugin/plugin.json

@@ -0,0 +1,42 @@
+{
+  "name": "airarc",
+  "version": "0.3.1",
+  "description": "Experimental upgraded AirArc prototype with built-in post-plan parallelization review support.",
+  "author": {
+    "name": "14816",
+    "email": "noreply@example.com",
+    "url": "https://airlongdian.fun"
+  },
+  "homepage": "https://airlongdian.fun/plugins/airarc",
+  "repository": "https://airlongdian.fun/plugins/airarc",
+  "license": "MIT",
+  "keywords": [
+    "airarc",
+    "architecture",
+    "planning",
+    "parallel",
+    "review"
+  ],
+  "skills": "./skills/",
+  "interface": {
+    "displayName": "AirArc",
+    "shortDescription": "Architecture-first planning with built-in parallel review",
+    "longDescription": "This AirArc prototype keeps architecture-first planning and adds a built-in post-plan review step that emits dependency edges, parallel-safe groups, shared write-set conflicts, serialization points, and an execution plan for Air Engine.",
+    "developerName": "14816",
+    "category": "Productivity",
+    "capabilities": [
+      "Interactive",
+      "Write"
+    ],
+    "websiteURL": "https://airlongdian.fun/plugins/airarc",
+    "privacyPolicyURL": "https://openai.com/policies/row-privacy-policy/",
+    "termsOfServiceURL": "https://openai.com/policies/row-terms-of-use/",
+    "defaultPrompt": [
+      "Use AirArc to initialize or inspect project planning context.",
+      "Use AirArc to produce a post-plan parallelization review from todo.md.",
+      "Use AirArc to identify dependency edges, shared-write conflicts, and serialization points before workers run."
+    ],
+    "brandColor": "#0D9488",
+    "screenshots": []
+  }
+}