kawa c4a1775d7d Harden auth, headers, and container per OWASP review ...

- Add per-account lockout + IP rate limiter on local sign-in (A07)
- Emit CSP and security headers on every response (A05)
- Run container as non-root `app`, /data 0700 (A05/A02)
- Stop reflecting raw token-endpoint body into redirect URL (A09)
- Handle missing refresh_token in connect callback without a 500

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-11 14:30:19 +02:00

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OAuthEndpoints.cs

Harden auth, headers, and container per OWASP review

2026-06-11 14:30:19 +02:00