- Update useModalManager to accept Task objects for immediate modal display before full detail loads
- Refactor TaskDetailModal to render with basic Task data and load TaskDetail asynchronously
- Update TaskCard click handlers to open modal immediately with optimistic data
- Update ListView click handler for same optimistic opening behavior
- Update AppModals types to support Task | TaskDetail union
- Add CSS for modal loading/skeleton states
- Add comprehensive tests for TaskDetailModal and useModalManager optimistic flow
- Simplify TaskCard and ListView tests to reflect new optimistic opening pattern
- Extract modal manager, app settings, deep-link handling, favorites, and auth onboarding into dedicated hooks
- Rewire App.tsx to consume the new hooks and reduce component-level state/effect complexity
- Preserve favorite-toggle error toast behavior in the updated favorites wiring
- Add hook-level test coverage for modal manager, app settings, deep links, favorites, and auth onboarding flows
