- Add 03-radarr-filter.png: browse + filter movies by partial title
- Add 04-radarr-selected.png: movie selected in browse panel
- Add 05-mapped.png: completed drag-and-drop title mapping
- Update 03-title-mapping.png to completed-state screenshot
- docs/integrations/radarr.md: add workflow section with 3 annotated screenshots
- docs/quickstart.md: rewrite step 5 with browse/filter/drag workflow
- README.md and docs/index.md: use completed-mapping screenshot