Adds SRS specification documents for daemon-scoped broker credential management: - REQ-046: Broker credential daemon_id field - REQ-047: Migration PKv1→PKv2 with daemon_id - REQ-048: Backfill existing broker credentials with daemon_id - REQ-049: User info endpoint including daemon-scoped credentials - REQ-050: Credential CLI --daemon-id option - REQ-051: Security isolation per daemon boundary Updates dcy-010 discovery document with generated REQ references and register. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01VHtM5Ws1HKCKQ4JGi6GRb5