- Applied RegisterRateLimit to POST /auth/register (3 attempts/hour)
- Applied PasswordResetRateLimit to password reset endpoints (3 attempts/hour)
- Added VerifyEmailRateLimit for POST /auth/verify-email (5 attempts/hour)
- Added ResendVerificationRateLimit for POST /auth/resend-verification (3 attempts/hour)
- Login endpoint already had rate limiting (5 attempts/15min)
- All rate limits are IP-based and use Redis for persistence
- Rate limiting disabled in test/e2e environments
Phase: PHASE-4
Priority: P1
Progress: 7/267 (2.6%)
