{"service":"Nutrition Estimation Engine","version":"2.0.0","endpoints":{"POST /estimate-from-text":"Primary endpoint. Free-text → Layer 0 (LLM+RAG) → L1 → L2 → L3.","POST /estimate":"Structured input → Layer 0 → L1 → L2 → L3.","GET /health":"Liveness check.","GET /ready":"Readiness check (startup complete?).","GET /docs":"Interactive API docs (Swagger UI)."}}