feat(web): Channel Builder screen (refs #89)
3-column library-to-lineup builder replacing the four-editor chain:
library browser (search/filter/poster grid, double-click or drag to add,
collections via 5 typed browse calls) · drag-to-reorder lineup with
add-time constraint surfacing (Rerun/Playlist only-valid-alone,
MultiCollection requires shuffle, server lineup[i] 422 mapping) ·
settings rail (AUTO number, channel image w/ guide-logo + bug preview,
shuffle/always-playing toggles with overrides-template tags, template
picker + save-as-template, advanced override/view-defaults accordion).
Creates channel atomically via POST /api/channels/from-lineup, artwork
uploaded at create time. navigateToPath extracted to routing.ts to
avoid an App<->builder import cycle. 16 new tests (106 total).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
timothyandClaude Fable 5
579b30d489