{"message":"Product Ingredient Scanner & Analyzer API","version":"1.0.0","security":{"headers":"Helmet (HSTS, CSP, XSS-Protection active)","rateLimiting":"Active (Global + LLM Protection)","inputValidation":"Zod + NoSQL Sanitizer"},"endpoints":{"health":"GET /api/v1/health","analyze":"POST /api/v1/analyze","guestUser":"POST /api/v1/users/guest","history":"GET /api/v1/users/:guestId/history"}}