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/aireng/.codex-plugin/plugin.json

@@ -0,0 +1,42 @@
+{
+  "name": "aireng",
+  "version": "0.6.0",
+  "description": "AirEng is the sole public Air scheduler plugin. It reads AirArc planning artifacts, dispatches isolated AirDo subagents, monitors them on a 5-minute cadence, and merges structured results back into AirPlan without defaulting to parent-thread coding.",
+  "author": {
+    "name": "14816",
+    "email": "noreply@example.com",
+    "url": "https://airlongdian.fun"
+  },
+  "homepage": "https://airlongdian.fun/plugins/aireng",
+  "repository": "https://airlongdian.fun/plugins/aireng",
+  "license": "MIT",
+  "keywords": [
+    "air",
+    "aireng",
+    "scheduler",
+    "subagent",
+    "parallel"
+  ],
+  "skills": "./skills/",
+  "interface": {
+    "displayName": "AirEng",
+    "shortDescription": "Schedule and monitor isolated AirDo subagents from AirArc plans",
+    "longDescription": "AirEng is the sole public scheduler for the Air workflow. It reads AirArc execution artifacts from AirPlan, prepares isolated task handoffs, dispatches multiple AirDo worker subagents with bounded concurrency, monitors them every 5 minutes, repairs stalled flow when possible, and merges structured worker results without replaying long parent-thread context or defaulting to parent-thread coding.",
+    "developerName": "14816",
+    "category": "Productivity",
+    "capabilities": [
+      "Interactive",
+      "Write"
+    ],
+    "websiteURL": "https://airlongdian.fun/plugins/aireng",
+    "privacyPolicyURL": "https://openai.com/policies/row-privacy-policy/",
+    "termsOfServiceURL": "https://openai.com/policies/row-terms-of-use/",
+    "defaultPrompt": [
+      "Use AirEng to load AirArc execution artifacts from AirPlan and plan a bounded dispatch wave.",
+      "Use AirEng to launch isolated AirDo subagents in parallel, keep concurrency within the dispatch manifest, and re-check active workers every 300 seconds.",
+      "Use AirEng to merge finalized AirDo results, repair blocked or stalled tasks, and keep AirPlan documents synchronized without defaulting to parent-thread implementation."
+    ],
+    "brandColor": "#0F766E",
+    "screenshots": []
+  }
+}