feat: AI虚拟用户新闻互动系统 v1.3.0 初始提交

- 虚拟用户管理（昵称/头像/性别/简介/邮箱同步到目标平台）
- AI互动调度（点赞/收藏/评论/转发）
- 日志时间改为北京时间
- 评论达上限后继续执行点赞收藏转发
- 一键登出全部功能
- 浅色主题UI

docker-compose.yml

@@ -0,0 +1,82 @@
+services:
+  ai-virtual-backend:
+    build:
+      context: ./backend
+      dockerfile: Dockerfile
+    container_name: ai-virtual-backend
+    restart: always
+    ports:
+      - "8000:8000"
+    environment:
+      - DB_HOST=ai-virtual-mysql
+      - DB_PORT=3306
+      - DB_USER=aivirtual
+      - DB_PASSWORD=AiVirtual2024
+      - DB_NAME=ai_virtual_news
+      - REDIS_HOST=ai-virtual-redis
+      - REDIS_PORT=6379
+      - SECRET_KEY=your-secret-key-change-in-production
+      - AES_KEY=your-aes-key-32-chars-change-now!
+      - TZ=Asia/Shanghai
+    volumes:
+      - ./backend/app:/app/app    # ← 核心：代码目录直接挂载，改文件无需重建
+      - ./backend/logs:/app/logs
+      - ./backend/config:/app/config
+    depends_on:
+      - ai-virtual-mysql
+      - ai-virtual-redis
+    networks:
+      - ai-virtual-net
+
+  ai-virtual-frontend:
+    build:
+      context: ./frontend
+      dockerfile: Dockerfile
+    container_name: ai-virtual-frontend
+    restart: always
+    ports:
+      - "9000:80"
+    depends_on:
+      - ai-virtual-backend
+    networks:
+      - ai-virtual-net
+
+  ai-virtual-mysql:
+    image: mysql:8.0
+    container_name: ai-virtual-mysql
+    restart: always
+    environment:
+      - MYSQL_ROOT_PASSWORD=Root2024
+      - MYSQL_DATABASE=ai_virtual_news
+      - MYSQL_USER=aivirtual
+      - MYSQL_PASSWORD=AiVirtual2024
+    volumes:
+      - mysql_data:/var/lib/mysql
+      - ./docker/mysql/init.sql:/docker-entrypoint-initdb.d/init.sql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "localhost"]
+      timeout: 10s
+      retries: 10
+    networks:
+      - ai-virtual-net
+
+  ai-virtual-redis:
+    image: redis:6.0-alpine
+    container_name: ai-virtual-redis
+    restart: always
+    volumes:
+      - redis_data:/data
+    healthcheck:
+      test: ["CMD", "redis-cli", "ping"]
+      timeout: 5s
+      retries: 5
+    networks:
+      - ai-virtual-net
+
+volumes:
+  mysql_data:
+  redis_data:
+
+networks:
+  ai-virtual-net:
+    driver: bridge