Initial commit: Memind H5 portal with MindSpace, Plaza, and agent jobs.

Track application source and tests; exclude local env, user workspaces, and runtime data via .gitignore.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/utils/wechat.ts

@@ -0,0 +1,57 @@
+export function isWechatBrowser(userAgent = navigator.userAgent) {
+  const ua = userAgent || '';
+  return /MicroMessenger/i.test(ua) || /WindowsWechat/i.test(ua);
+}
+
+/** 从服务号链接进入时带的参数（即使 UA 识别失败也展示微信登录） */
+export function isWechatEntryUrl(search = window.location.search) {
+  const params = new URLSearchParams(search);
+  const from = (params.get('from') || '').toLowerCase();
+  const utm = (params.get('utm_source') || '').toLowerCase();
+  return from === 'wechat' || utm === 'wechat';
+}
+
+export function isWechatContext(options?: {
+  userAgent?: string;
+  search?: string;
+  serverInWechat?: boolean;
+}) {
+  if (options?.serverInWechat) return true;
+  if (isWechatBrowser(options?.userAgent)) return true;
+  return isWechatEntryUrl(options?.search);
+}
+
+export function buildWechatAuthorizeUrl(options?: {
+  returnTo?: string;
+  utmSource?: string;
+  utmMedium?: string;
+  utmCampaign?: string;
+}) {
+  const params = new URLSearchParams();
+  const returnTo =
+    options?.returnTo ??
+    `${window.location.pathname}${window.location.search}${window.location.hash}`;
+  if (returnTo && returnTo !== '/') {
+    params.set('return_to', returnTo);
+  }
+  if (options?.utmSource) params.set('utm_source', options.utmSource);
+  if (options?.utmMedium) params.set('utm_medium', options.utmMedium);
+  if (options?.utmCampaign) params.set('utm_campaign', options.utmCampaign);
+  const query = params.toString();
+  return query ? `/auth/wechat/authorize?${query}` : '/auth/wechat/authorize';
+}
+
+export function readWechatAuthError(): string | null {
+  const params = new URLSearchParams(window.location.search);
+  const error = params.get('wechat_error');
+  if (!error) return null;
+  params.delete('wechat_error');
+  const nextSearch = params.toString();
+  const nextUrl = `${window.location.pathname}${nextSearch ? `?${nextSearch}` : ''}${window.location.hash}`;
+  window.history.replaceState({}, '', nextUrl);
+  try {
+    return decodeURIComponent(error);
+  } catch {
+    return error;
+  }
+}