- Add backend API routes and file service for project-scoped file operations
- Create useProjectFileBrowser and useProjectFileEditor hooks with comprehensive tests
- Update FileBrowserModal to support both task and project modes via dualMode prop
- Add Files button to dashboard header toolbar
- Remove Files tab from TaskDetailModal
- Integrate project file browser into main App layout
- Include changeset for @dustinbyrne/kb package
- Add server-side file service with list, read, and write operations
- Add REST API endpoints for file operations with tests
- Add client-side API functions and React hooks for file browsing
- Create FileBrowser, FileEditor, and FileBrowserModal components
- Add CodeMirror 6 for syntax-highlighted file editing
- Integrate Files tab into TaskDetailModal
- Add comprehensive file browser styles and responsive design
