Update Docker configuration, enhance error handling, and improve logging

- Added health check to the camera management API service in docker-compose.yml for better container reliability.
- Updated installation scripts in Dockerfile to check for existing dependencies before installation, improving efficiency.
- Enhanced error handling in the USDAVisionSystem class to allow partial operation if some components fail to start, preventing immediate shutdown.
- Improved logging throughout the application, including more detailed error messages and critical error handling in the main loop.
- Refactored WebSocketManager and CameraMonitor classes to use debug logging for connection events, reducing log noise.

scripts/diagnose_container_crashes.sh

@@ -0,0 +1,61 @@
+#!/bin/bash
+# Diagnostic script to investigate container crashes
+
+echo "=========================================="
+echo "Container Crash Diagnostic"
+echo "=========================================="
+echo ""
+
+echo "1. Checking container status..."
+docker ps -a | grep usda-vision-api
+echo ""
+
+echo "2. Recent container exit codes and status..."
+docker inspect usda-vision-api --format='{{.State.Status}} - Exit Code: {{.State.ExitCode}} - Started: {{.State.StartedAt}} - Finished: {{.State.FinishedAt}}' 2>/dev/null || echo "Container not found"
+echo ""
+
+echo "3. Last 50 lines of container logs..."
+docker logs usda-vision-api --tail 50 2>&1
+echo ""
+
+echo "4. Checking for common error patterns..."
+docker logs usda-vision-api 2>&1 | grep -iE "error|exception|failed|fatal|traceback|crash" | tail -20
+echo ""
+
+echo "5. Checking container resource usage (if running)..."
+docker stats usda-vision-api --no-stream 2>/dev/null || echo "Container not running"
+echo ""
+
+echo "6. Checking if config file exists in container..."
+docker exec usda-vision-api ls -la /app/config.compose.json 2>/dev/null || echo "Cannot access container or file missing"
+echo ""
+
+echo "7. Checking Python process..."
+docker exec usda-vision-api ps aux | grep python 2>/dev/null || echo "Cannot access container"
+echo ""
+
+echo "8. Checking for OOM (Out of Memory) kills..."
+dmesg | grep -i "killed process" | tail -5 || echo "No OOM kills found in dmesg (may require sudo)"
+echo ""
+
+echo "9. Container restart count..."
+docker inspect usda-vision-api --format='Restart Count: {{.RestartCount}}' 2>/dev/null || echo "Container not found"
+echo ""
+
+echo "10. Checking docker-compose status..."
+docker compose ps api 2>/dev/null || echo "Cannot check compose status"
+echo ""
+
+echo "=========================================="
+echo "Diagnostic Complete"
+echo "=========================================="
+echo ""
+echo "Common causes of crashes:"
+echo "  - MQTT connection failure (check broker at 192.168.1.110:1883)"
+echo "  - Camera SDK initialization failure"
+echo "  - Storage path issues (/mnt/nfs_share)"
+echo "  - Out of memory (OOM)"
+echo "  - Missing config file"
+echo "  - Python exception not caught"
+echo ""
+