STRIDE Summary

Threat	Mitigation (summary)
Spoofing	Auth provider + session
Tampering	Client integrity; typed contracts
Repudiation	Structured logging of status (not payloads)
Info disclosure	No schedule exfil by default; CSP
DoS	Size caps, timeouts, sequential queue
Elevation	Entitlements / access policy

Detail: docs/SECURITY_AUDIT_SEQUENTIAL_DATA_ENGINE.md.