feat: 重构前端 dist 构建产物，更新 Docker 配置及文档

- 重新构建 frontend/dist（新版 hash 替换旧版）
- 更新 docker 前端 Dockerfile 及 docker-compose 配置
- 新增 docs/team-development-plan.md 团队开发计划文档
- 更新 README、系统开发计划等文档
- 更新 LoginView 组件

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

docker/app/docker-compose.yml

@@ -12,6 +12,16 @@ services:
     volumes:
       - ../../frontend/dist:/usr/share/nginx/html:ro
       - ../nginx.conf.template:/etc/nginx/templates/default.conf.template:ro
+    command:
+      - /bin/sh
+      - -c
+      - |
+        if [ ! -f /usr/share/nginx/html/index.html ]; then
+          echo "frontend dist is missing: build frontend first and ensure ../../frontend/dist is mounted";
+          ls -la /usr/share/nginx/html;
+          exit 1;
+        fi;
+        nginx -g 'daemon off;'
     networks:
       - yg-ft-app
     restart: unless-stopped