init

backend/.env.example

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+# Server
+PORT=3001
+NODE_ENV=development
+
+# CORS
+FRONTEND_URL=http://localhost:3000
+
+# Mail (SMTP)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=your@gmail.com
+SMTP_PASS=your-app-password
+MAIL_FROM=your@gmail.com
+MAIL_TO=owner@gmail.com
+
+# AI (Groq)
+GROQ_API_KEY=your-groq-api-key
+GROQ_MODEL=llama-3.3-70b-versatile
+
+# Rate limiting
+THROTTLE_TTL=60000
+THROTTLE_LIMIT=5