feat: Add team registration executable and API for auto-registration.

docker-compose.yml

@@ -23,6 +23,8 @@ services:
     volumes:
       # 数据持久化 (配置文件和数据库)
       - ./data:/app/data
+      # Team-Reg 可执行文件 (需要 Linux 版本)
+      - ./backend/team-reg:/app/team-reg
     environment:
       - TZ=${TZ:-Asia/Shanghai}
       - CONFIG_PATH=/app/data/config.json