{"message":"EasyLearning AI Tutor API","version":"1.0.0","timestamp":"2026-09-16T13:20:21.728Z","currentTime":"2025-07-04 04:29:58","user":"Anonymous User","runtime":"Bun + Express + TypeScript","features":{"textChat":true,"imageAnalysis":true,"supportedImageTypes":["image/jpeg","image/jpg","image/png","image/gif","image/webp","image/heic","image/heif"],"maxImageSize":"10MB"},"endpoints":{"chat":"POST /api/chat","health":"GET /health","analytics":"GET /api/analytics/* (requires Authorization: Bearer <ADMIN_TOKEN>)"}}