Changes: Preserve incomplete work and blocker metadata for S00-003. This checkpoint does not mark implementation accepted.
Validation: Session ended with status blocked.
Blocker: StanzaJS 12.22.1 SASL feature accepts missing/forged server-final without processSuccess/finalize, including success before challenge/proof. Safe SCRAM cannot be attested by S00-003 until this authentication boundary has a reviewed solution.
Task: S00-003
Agent: auto-protocol-826aa6bc12ef
Role: protocol
Action: claim
Status: blocked
Task title: Проверить XMPP WSS/auth библиотеку