- Add debounced state updates for title and content (500ms delay) - Immediate UI updates with delayed history saving - Prevent one-letter-per-undo issue - Add cleanup for debounce timers on unmount
- Implement useUndoRedo hook with proper state management (max 50 history) - Add Undo/Redo buttons with keyboard shortcuts (Ctrl+Z/Ctrl+Y) - Fix image upload with proper sizing (max-w-full max-h-96 object-contain) - Add image validation (type and 5MB size limit) - Implement reminder system with date validation - Add comprehensive input validation with user-friendly error messages - Improve error handling with try-catch blocks - Add MCP-GUIDE.md with complete MCP documentation and examples Breaking changes: None Production ready: Yes
