feat: add GameGroup2 project with frontend and backend

- Add .gitignore for Node.js and PocketBase projects
- Add frontend (Vue 3 + Vite + TypeScript)
- Add backend (PocketBase)
- Add deployment scripts and Docker compose configs

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

frontend/src/api/pocketbase.ts

@@ -0,0 +1,32 @@
+// src/api/pocketbase.ts
+import PocketBase from 'pocketbase'
+
+const pbUrl = import.meta.env.VITE_PB_URL || '/api'
+
+export const pb = new PocketBase(pbUrl)
+
+// 认证状态持久化
+pb.authStore.loadFromCookie(document.cookie)
+
+// 保存认证状态到 cookie
+pb.authStore.onChange(() => {
+  document.cookie = pb.authStore.exportToCookie({ httpOnly: false })
+})
+
+// 获取当前用户
+export function getCurrentUser() {
+  return pb.authStore.model
+}
+
+// 检查是否已登录
+export function isAuthenticated(): boolean {
+  return pb.authStore.isValid
+}
+
+// 登出
+export function logout() {
+  pb.authStore.clear()
+  window.location.href = '/login'
+}
+
+export default pb