chore(ideai): sync tickets #43/#140 + skills index + agent context

Ticket #43 carnet reflects activationScope in the plugin manifest
example; ticket #140 closed; skills index/content refreshed.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

.ideai/skills/index.json

@@ -5,13 +5,8 @@
       "id": "a72dac60-641c-4417-b0d7-94b8539f817a",
       "name": "build-appimage",
       "description": null,
-      "contentHash": "77cb33b978b242f6"
-    },
-    {
-      "id": "86ea97df-1533-47e5-8809-dc2b02242567",
-      "name": "mcp-rendezvous-functional-test",
-      "description": null,
-      "contentHash": "9fc8260f64c3b9d5"
+      "kind": "workflow",
+      "contentHash": "56dd74230ccf517d"
     }
   ]
-}
+}