- Rework tasks page with new board/list views, header with view tabs (Tableau, Liste, Roadmap, Calendrier), search and filter dropdown
- Board view: new card style with tablo row, assignee avatar, kebab menu (ouvrir/déplacer)
- List view: grouped by status, table with fixed column layout, kebab actions
- Add files page (/fichiers) with per-project file tables, folder cards, upload modal, download/delete actions
- Add /all-filenames API endpoint to fetch all tablo file names in a single call
- Add files nav item and recent projects section in NavigationBar
- Translate all UI strings to French
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
