- Create ArrRetriever abstract base class defining pluggable interface
- Implement PollingSonarrRetriever and PollingRadarrRetriever with HTTP polling
- Add ArrRetrieverRegistry for managing retriever instances
- Refactor poller.js to use retriever registry instead of direct Axios calls
- Update historyFetcher.js to use retriever registry
- Preserve all cache keys, TTLs, timing logs, SSE broadcasts, error handling
- Enable future webhook listeners without touching poller logic
- Add includeEpisode:true to Sonarr queue and history API requests
in both the poller and historyFetcher
- Add extractEpisode() / gatherEpisodes() helpers in dashboard.js
and history.js to build a sorted, deduplicated episodes array
covering all records matching a download title (handles multi-
episode packs and series packs)
- Replace episodeInfo: sonarrMatch with episodes: gatherEpisodes()
across all 8 assignment sites in dashboard.js
- Add episodes field to /api/history/recent response items
- Frontend: formatEpisodeInfo() renders S01E05 for single episodes
or 'Multiple episodes' with hover tooltip listing all for packs
- CSS: .episode-info and .multi-episode tooltip styles
- ARCHITECTURE.md: update polling table and download/history schemas
