- Add ntfy settings (ntfyEnabled, ntfyTopic) to core types and config storage
- Create NtfyNotifier service with event-based notifications for task completion/failure
- Add Notifications section to SettingsModal for configuring ntfy topic
- Wire up NtfyNotifier in engine to send notifications on task state changes
- Include ntfy topic in task templates for per-task notification override
- Add comprehensive tests for NtfyNotifier service
- Add inline edit mode to TaskCard (double-click to edit title/details)
- Implement optimistic updates with automatic rollback on failure in useTasks hook
- Wire onUpdateTask through Board, Column, and WorktreeGroup component hierarchy
- Add CSS styling for inline edit mode with focus states and transitions
- Add comprehensive test coverage for TaskCard editing and useTasks updates
- Include changeset for patch release and update dashboard README
- Add GitManagerModal component with status, commits, branches, and worktrees tabs
- Implement git API endpoints for status, commits, diff, branches, worktrees, and actions
- Add git API client functions with error handling
- Integrate Git Manager into App and Header with toolbar button
- Add comprehensive tests for GitManagerModal component
- Include README documentation for dashboard package and changeset
