Phase 0 Complete by ClaudeCode

.env.example

@@ -0,0 +1,18 @@
+# Firebase
+FIREBASE_SERVICE_ACCOUNT_PATH=./firebase-service-account.json
+
+# JWT
+JWT_SECRET_KEY=your-secret-key-here
+JWT_ALGORITHM=HS256
+JWT_EXPIRATION_MINUTES=480
+
+# MQTT
+MQTT_BROKER_HOST=localhost
+MQTT_BROKER_PORT=1883
+MQTT_ADMIN_USERNAME=admin
+MQTT_ADMIN_PASSWORD=your-mqtt-admin-password
+MOSQUITTO_PASSWORD_FILE=/etc/mosquitto/passwd
+
+# App
+BACKEND_CORS_ORIGINS=["http://localhost:5173"]
+DEBUG=true