feat(activity,api,settings): activity panel v0 over conversation events sse

manifest.json

@@ -1,7 +1,7 @@
 {
   "id": "beaver",
   "name": "Beaver",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "minAppVersion": "1.5.0",
   "description": "Send the current note to a Beaver agent via the markdown frontend.",
   "author": "h",