- Import HTTPException from fastapi for proper exception handling in endpoints
- Prepare for enhanced error responses in blockchain explorer API routes
- Fix CSS animation syntax in HTML template by escaping curly braces for proper f-string formatting
- Replace .format() with .replace() for node_url substitution to avoid KeyError with unescaped braces
- Add blockchain node connectivity test to health check with 5s timeout
- Return degraded status when node is unreachable instead of error
- Add node_status field and API endpoints documentation to health response
- Add cached decorator to admin stats, job status, payment status, and marketplace stats endpoints
- Configure cache TTLs using get_cache_config for different endpoint types (1min job_list, 30s user_balance, marketplace_stats)
- Import cache_management router and include it in main app with /v1 prefix
- Fix blockchain-explorer formatTimestamp to handle both ISO string and Unix numeric timestamps with type
- Bump minimum Python version from 3.11 to 3.13 across all apps
- Add Python 3.11-3.13 test matrix to CLI workflow
- Document Python 3.11+ requirement in .env.example
- Fix Starlette Broadcast removal with in-process fallback implementation
- Add _InProcessBroadcast class for tests when Starlette Broadcast is unavailable
- Refactor API key validators to read live settings instead of cached values
- Update database models with explicit
