[Stress Test] User 4 - Add auth module + token utilities
Automated stress test MR for concurrent PR summary generation.
User: 4 Source: stress-test-user-4 Target: main Change Size: 800 lines Commit: Add auth module + token utilities Created: 2026-02-19 03:16:19 UTC
Summary by Bito
- Added AuthModule class for issuing and verifying custom tokens with SHA-256 signing, including claim sanitization and expiration checks.
- Implemented TokenSigner with custom token format (header.body.signature) and base64-encoded claims.
- Included 15 identical AuthUtil classes providing static utility methods for string validation, clipping, hashing, and copying.
- Added Clock class for epoch time retrieval and TokenPayload record for verified token data.
Edited by KUNAL KUMAR