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/aircontext-settings-snippet.json

@@ -0,0 +1,13 @@
+{
+  "extraKnownMarketplaces": {
+    "aircontext-mkt": {
+      "source": {
+        "source": "directory",
+        "path": "C:\\Users\\<YourUser>\\AirContextServer"
+      }
+    }
+  },
+  "enabledPlugins": {
+    "aircontext@aircontext-mkt": true
+  }
+}