- 4 nouvelles vues HTML: calendar (grid mensuel), gallery (cartes), list (compacte), timeline (Gantt)
- Navigation entre vues via tabs (Table/Board/Calendar/Gallery/List/Timeline)
- _render_view dispatcher + _base_html template commun
- Routes: GET /db/{id}/view/{calendar,gallery,list,timeline}
- Default view = table (SSR avec properties)
- 49/49 tests passent (+6 tests v1.6)
- Version 1.5.0 → 1.6.0