Files to modify : backend/src/server.ts , backend/src/middleware/rateLimiter.ts
Acceptance Criteria :
- Apply tiered rate limiting to all API endpoints
- Configure different rate limits per endpoint type (e.g., read vs write)
- Add rate limit headers to all responses
- All tests pass Why Important : Improves security and prevents abuse
Files to modify : backend/src/server.ts , backend/src/middleware/rateLimiter.ts
Acceptance Criteria :