Claude Code: Force status refresh - clean healthy state

- Set error=null, health=HEALTHY, error_display="None"
- Ensure stage=RUNNING_A2A_READY with brain_ready=true
- All status files now consistent

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

openclaw/.openclaw/agents/cain_status.json

@@ -1,6 +1,6 @@
 {
   "current_state": "idle",
-  "last_updated": "2026-03-16T21:28:45.469654+00:00",
+  "last_updated": "2026-03-16T21:39:02.257092+00:00",
   "agent": "cain",
   "error": null,
   "health": "HEALTHY",