- Fix rate limiter to extract real client IP and handle sync/async endpoints
- Rate-limit public enrollment (10/min) and program info (30/min) endpoints
- Add 409 Conflict to non-retryable status codes in retry decorator
- Cache private key in get_save_url() to avoid re-reading JSON per call
- Make update_class() return bool success status with error-level logging
- Move Google Wallet config from core to loyalty module config
- Document time.sleep() safety in retry decorator (threadpool execution)
- Add per-card retry (1 retry, 2s delay) to wallet sync task
- Add logo URL reachability check (HEAD request) to validate_config()
- Add 26 comprehensive unit tests for GoogleWalletService
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Samir Boulahtit
b6047f5b7d