- Fix unsafe JSON parsing in WebSocket with proper error handling
- Fix unsafe JSON parsing in Settings import with validation
- Improve API token security by using sessionStorage as primary storage
- Remove debug console statements from production code
- Fix race conditions in WebSocket alert handling with atomic updates
- Add NaN validation for parseFloat operations in search queries
- Add safer error handling alternatives in generics utility
- Improve graceful shutdown in Settings API with proper timing
- All changes verified with successful frontend and backend builds
