feat: add AI学习助手 agent (KG+RAG ideal) and renshenguo feishu bot

- Add AI学习助手 agent creation script with all 39 tools, 3-layer KG+RAG memory
- Add renshenguo (人参果) feishu bot integration (app_service + ws_handler)
- Register renshenguo WS client in main.py startup
- Add RENSHENGUO_APP_ID / RENSHENGUO_APP_SECRET / RENSHENGUO_AGENT_ID config
- Reorganize docs from root into docs/ subdirectories
- Move startup scripts to scripts/startup/
- Various backend optimizations and tool improvements

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.dev.yml

@@ -1,71 +0,0 @@
-services:
-  frontend:
-    build:
-      context: ./frontend
-      dockerfile: Dockerfile.dev
-    ports:
-      - "8038:3000"
-    volumes:
-      - ./frontend:/app
-      - /app/node_modules
-    environment:
-      - VITE_API_URL=http://101.43.95.130:8037
-    # 注意：Vite环境变量需要在构建时设置，运行时修改需要重启容器
-    depends_on:
-      - backend
-    networks:
-      - aiagent-network
-
-  backend:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile.dev
-    ports:
-      - "8037:8000"
-    volumes:
-      - ./backend:/app
-    environment:
-      - DATABASE_URL=mysql+pymysql://root:!Rjb12191@gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/agent_db?charset=utf8mb4
-      - REDIS_URL=redis://redis:6379/0
-      - SECRET_KEY=dev-secret-key-change-in-production
-      - CORS_ORIGINS=http://localhost:3000,http://127.0.0.1:3000,http://localhost:8038,http://101.43.95.130:8038
-      - DEEPSEEK_API_KEY=sk-fdf7cc1c73504e628ec0119b7e11b8cc
-      - DEEPSEEK_BASE_URL=https://api.deepseek.com
-    depends_on:
-      - redis
-    networks:
-      - aiagent-network
-
-  celery:
-    build:
-      context: ./backend
-      dockerfile: Dockerfile.dev
-    command: celery -A app.core.celery_app worker --loglevel=info
-    volumes:
-      - ./backend:/app
-    environment:
-      - DATABASE_URL=mysql+pymysql://root:!Rjb12191@gz-cynosdbmysql-grp-d26pzce5.sql.tencentcdb.com:24936/agent_db?charset=utf8mb4
-      - REDIS_URL=redis://redis:6379/0
-      - DEEPSEEK_API_KEY=sk-fdf7cc1c73504e628ec0119b7e11b8cc
-      - DEEPSEEK_BASE_URL=https://api.deepseek.com
-    depends_on:
-      - redis
-      - backend
-    networks:
-      - aiagent-network
-
-  redis:
-    image: redis:7-alpine
-    ports:
-      - "6380:6379"   # 主机 6380 映射到容器 6379，避免与宿主机 6379 冲突
-    volumes:
-      - redis_data:/data
-    networks:
-      - aiagent-network
-
-volumes:
-  redis_data:
-
-networks:
-  aiagent-network:
-    driver: bridge