feat: 初始化考培练系统项目

- 从服务器拉取完整代码
- 按框架规范整理项目结构
- 配置 Drone CI 测试环境部署
- 包含后端(FastAPI)、前端(Vue3)、管理端

技术栈: Vue3 + TypeScript + FastAPI + MySQL

backend/docker-compose.yml

@@ -0,0 +1,46 @@
+version: '3.8'
+
+services:
+  mysql:
+    image: mysql:8.0.43
+    container_name: kaopeilian_mysql
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: Kaopeilian2025!@#
+      MYSQL_DATABASE: kaopeilian
+      MYSQL_CHARACTER_SET_SERVER: utf8mb4
+      MYSQL_COLLATION_SERVER: utf8mb4_unicode_ci
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+      - ./将调用工作流-联调过半-考陪练kaopeilian_final_complete_backup_20250923_025629.sql:/docker-entrypoint-initdb.d/init.sql
+      - ./mysql.cnf:/etc/mysql/conf.d/mysql.cnf
+    command: --default-authentication-plugin=mysql_native_password
+    networks:
+      - kaopeilian_network
+
+  # 可选：phpMyAdmin管理界面
+  phpmyadmin:
+    image: phpmyadmin/phpmyadmin:latest
+    container_name: kaopeilian_phpmyadmin
+    restart: always
+    environment:
+      PMA_HOST: mysql
+      PMA_PORT: 3306
+      PMA_USER: root
+      PMA_PASSWORD: Kaopeilian2025!@#
+    ports:
+      - "8080:80"
+    depends_on:
+      - mysql
+    networks:
+      - kaopeilian_network
+
+volumes:
+  mysql_data:
+    driver: local
+
+networks:
+  kaopeilian_network:
+    driver: bridge