Replace expanded inline cards with a ProgramDetailModal for viewing full program
details. Add real-time progress bars to currently-airing programs using direct DOM manipulation. Extract and display season/episode info from EPG data with a 3-tier fallback (custom_properties → onscreen_episode → description text).
Backend:
- Add ProgramDetailSerializer for rich EPG data (categories, credits, ratings, images, external IDs) served on the detail endpoint
- Add infer_is_live() for status badges (live, new, premiere, finale)
- Add shared S/E extraction utilities in apps/epg/utils.py
- Optimize querysets with select_related("epg")
Frontend:
- ProgramDetailModal with conditional field rendering and image fallback chain
- Progress bars via scaleX transform updated every second
- Parallel data fetching with Promise.all for channels + programs
- Browser tab visibility recovery for progress bars
- Now-line with triangle marker and sub-millisecond precision
- Card layout: title, season/episode + subtitle, time + badges
- Shared formatSeasonEpisode() and external URL helpers
Add is_new, is_live, is_premiere, and is_finale fields to the EPG program API and render them as colored badges in the TV guide.
- Compact card: S/E, LIVE, and NEW badges on the title row
- Expanded card: all badges (S/E, LIVE, NEW, PREMIERE, FINALE) on the subtitle row, now moved directly after title for consistency
- PREMIERE/FINALE detected from premiere_text (case-insensitive)
- PREMIERE/FINALE only shown in expanded view to conserve space
- Badge order: S/E → LIVE → NEW → PREMIERE → FINALE
Display sub_title (episode name) and season/episode badge on guide program cards. Extract season/episode from custom_properties with fallback parsing of onscreen_episode format (e.g. "S12 E6").
- Add season/episode SerializerMethodFields to ProgramDataSerializer
- Parse onscreen_episode string as fallback when xmltv_ns data absent
- Display sub_title with S/E badge on guide cards
- Show description for programs without sub_title (movies)
- Add formatSeasonEpisode utility with full test coverage
- Add 15 backend serializer tests and 12 frontend utility tests
Fulfills #1065
