feat: AI聊天室多Agent协作讨论平台

- 实现Agent管理，支持AI辅助生成系统提示词
- 支持多个AI提供商（OpenRouter、智谱、MiniMax等）
- 实现聊天室和讨论引擎
- WebSocket实时消息推送
- 前端使用React + Ant Design
- 后端使用FastAPI + MongoDB

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docker-compose.yml

@@ -0,0 +1,70 @@
+version: '3.8'
+
+services:
+  # MongoDB数据库
+  mongodb:
+    image: mongo:7
+    container_name: ai-chatroom-mongodb
+    restart: unless-stopped
+    ports:
+      - "27017:27017"
+    volumes:
+      - mongodb_data:/data/db
+    environment:
+      MONGO_INITDB_ROOT_USERNAME: admin
+      MONGO_INITDB_ROOT_PASSWORD: ${MONGO_PASSWORD:-chatroom123}
+    networks:
+      - chatroom-network
+    healthcheck:
+      test: echo 'db.runCommand("ping").ok' | mongosh localhost:27017/test --quiet
+      interval: 10s
+      timeout: 5s
+      retries: 5
+
+  # 后端服务
+  backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: ai-chatroom-backend
+    restart: unless-stopped
+    ports:
+      - "8000:8000"
+    depends_on:
+      mongodb:
+        condition: service_healthy
+    environment:
+      - MONGODB_URL=mongodb://admin:${MONGO_PASSWORD:-chatroom123}@mongodb:27017
+      - MONGODB_DB=ai_chatroom
+      - HOST=0.0.0.0
+      - PORT=8000
+      - DEBUG=${DEBUG:-false}
+      - SECRET_KEY=${SECRET_KEY:-change-this-in-production}
+      - ENCRYPTION_KEY=${ENCRYPTION_KEY:-your-32-byte-encryption-key-here}
+    volumes:
+      - ./backend:/app
+    networks:
+      - chatroom-network
+
+  # 前端服务
+  frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    container_name: ai-chatroom-frontend
+    restart: unless-stopped
+    ports:
+      - "3000:80"
+    depends_on:
+      - backend
+    environment:
+      - VITE_API_URL=http://backend:8000
+    networks:
+      - chatroom-network
+
+networks:
+  chatroom-network:
+    driver: bridge
+
+volumes:
+  mongodb_data: