Annotation canvas:
- Mouse wheel: zoom centered on cursor (1×→20×)
- Right-click drag or Space+drag: pan
- Two-finger pinch-to-zoom on touch devices
- Bbox coordinates computed in logical image space (zoom-invariant)
- "Plein écran" button opens current frame in new tab at full res
- Zoom % indicator + reset button
Event detail lightbox:
- Mouse wheel: zoom in/out (0.5×→20×)
- Drag to pan when zoomed in
- "Ouvrir en plein écran" link opens raw frame at native 4K in new tab
- Zoom resets on image change or lightbox close
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
