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]>