Judge a vault KID only on a file whose KID map holds it, tell remote vaults of a bad pair only once another key replaces it, and let the server CDM unflag a pair it returns; the server never flags a CDM-licensed pair. Log FFmpeg stderr on a failed check and name the missing CDM when none is set.
The server CDM stub names only the manifest's KIDs; sibling keys stay content keys. API and HTTP vaults retry a 429, and a vault that is down or still rate limited costs one timeout per run.
Relay the service's CDM calls to the client, accept the service's allowed identity config (for example ESN/Kpe/Kph), add the server_vault grant and a lent server-device mode that reads keys only from vaults and returns no login cache. Also fixes the proxied certificate fetch, Base64 Widevine licences, an answered call that stayed pending and a missing default quality.
A session above the cap licenses with the client's own device, and a track above it in an uncapped -q run is handed back to the client. Also names the fallback in the ccextractor crash warning.
A client with a local PlayReady device asked the server for a PlayReady licence on a service the server maps to a Widevine device. Both server_cdm routes now share one candidate list from one config lookup, report the system that licensed in drm_type, and the client adopts it.
The licence response lists KIDs a server vault supplied, the client proves them with the decode check, and a bad pair goes to the new session keys/bad route so the server flags its own row. Client vault keys go first over --remote, and the dashboard health warns when no SQLite vault can store flags.
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