Felix Förtsch
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The real reason 8 Mile landed as Turkish: Radarr WAS being called, but the
call path had three silent failure modes that all looked identical from
outside.
1. try { … } catch { return null } swallowed every error. No log when
Radarr was unreachable, when the API key was wrong, when HTTP returned
404/500, or when JSON parsing failed. A miss and a crash looked the
same: null, fall back to Jellyfin's dub guess.
2. /api/v3/movie?tmdbId=X only queries Radarr's LIBRARY. If the movie is
on disk + in Jellyfin but not actively managed in Radarr, returns [].
We then gave up and used the Jellyfin guess.
3. iso6391To6392 fell back to normalizeLanguage(name.slice(0, 3)) for any
unknown language name — pretending 'Mandarin' → 'man' and 'Flemish' →
'fle' are valid ISO 639-2 codes.
Fixes:
- Both services: fetchJson helper logs HTTP errors with context and the
url (api key redacted), plus catches+logs thrown errors.
- Added a metadata-lookup fallback: /api/v3/movie/lookup/tmdb and
/lookup/imdb for Radarr, /api/v3/series/lookup?term=tvdb:X for Sonarr.
These hit TMDB/TVDB via the arr service for titles not in its library.
- Expanded NAME_TO_639_2: Mandarin/Cantonese → zho, Flemish → nld,
Farsi → fas, plus common European langs that were missing.
- Unknown name → return null (log a warning) instead of a made-up 3-char
code. scan.ts then marks needs_review.
- scan.ts: per-item warn when Radarr/Sonarr miss; per-scan summary line
showing hits/misses/no-provider-id tallies.
Run a scan — the logs will now tell you whether Radarr was called, what
it answered, and why it fell back if it did.