- Add proper error handling in database connection attempts - Set g.db to null when connection fails to prevent subsequent crashes - Add null check in execQuery to throw meaningful error when DB unavailable - Improve API endpoint to return 503 status when database is unavailable - Enhanced logging for better debugging of connection issues 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>