Implement comprehensive health monitoring for streams and threads

- Added RecoveryManager for automatic handling of health issues, including circuit breaker patterns, automatic restarts, and graceful degradation.
- Introduced StreamHealthTracker to monitor video stream metrics, including frame production, connection health, and error rates.
- Developed ThreadHealthMonitor for detecting unresponsive and deadlocked threads, providing liveness detection and responsiveness testing.
- Integrated health checks for streams and threads, reporting metrics and recovery actions to the health monitor.
- Enhanced logging for recovery attempts, errors, and health checks to improve observability and debugging.

.claude/settings.local.json

@@ -2,7 +2,8 @@
   "permissions": {
     "allow": [
       "Bash(dir:*)",
-      "WebSearch"
+      "WebSearch",
+      "Bash(mkdir:*)"
     ],
     "deny": [],
     "ask": []