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>

.dependency-cruiser.js

@@ -8,7 +8,7 @@
  *   tui            -> contracts
  *   runtime        -> contracts, llm   — llm facade only
  *   cli            -> contracts, runtime, tui, llm, toolchain-cpp
- *   workers        -> contracts        — WorkerRuntime IPC surface only
+ *   workers        -> contracts, runtime — WorkerRuntime IPC + shared utilities
  */
 module.exports = {
   forbidden: [
@@ -69,15 +69,15 @@ module.exports = {
       },
     },
 
-    /* ── Rule 5: workers may only import from contracts ── */
+    /* ── Rule 5: workers may import from contracts and runtime ── */
     {
       name: "workers-boundary",
-      comment: "workers may only depend on contracts (WorkerRuntime IPC surface)",
+      comment: "workers may depend on contracts (IPC surface) and runtime (shared utilities like CompressionValidator)",
       severity: "error",
       from: { path: "^packages/workers/src/" },
       to:   {
-        path: "^packages/(llm|runtime|tui|cli|toolchain-cpp)/",
-        pathNot: "^packages/contracts/",
+        path: "^packages/(llm|tui|cli|toolchain-cpp)/",
+        pathNot: "^packages/(contracts|runtime)/",
       },
     },