- Prevent UI hang by processing aria2 unpause actions asynchronously
- Bypass internal aria2 limits to honor Firelink's max concurrent setting
- Improve visibility of the 'Recheck engines' button in Settings
- Refactor Speed Limiter checkbox into a toggle and fix text selection
- Update Add window font and placeholder to match modern design standards
- Created root-level ToastProvider and useToast hook
- Replaced scattered ad-hoc toast states with unified provider
- Updated Settings, Scheduler, Speed Limiter, App, and DownloadTable to use ToastContext
- Added variant support (success, info, warning, error) with distinct styling
- Refined toast animations and styling for modern aesthetics
- Adjusted auto-dismiss behavior to ignore actionable or important errors