Fetch the detail page (cached, rate-limited, per-site hourly cap
identity.detailIdsPerSiteHour) for search results, subscription-related
candidates, pool enrich and manual re-identify; resolve IMDb/TMDB via TMDB,
douban via cached douban subjects (site detail info block / META-2 snippets).
No identity_unresolved decisions for releases with site IDs.
Co-Authored-By: Claude Opus 5.5 <[email protected]>