feat(ops): v4.0.7 HQ 活动图快链与勾选导出

HQ 指定一张活动图为勾选主合伙人合成 PNG/zip；城市合伙人页增加快链与单下/导出。

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

apps/admin-web/src/lib/api.ts

@@ -58,6 +58,54 @@ export async function request<T>(path: string, options: RequestInit = {}): Promi
   return json.data as T;
 }
 
+function parseDownloadFileName(header: string | null, fallback: string): string {
+  if (!header) return fallback;
+  const star = /filename\*=(?:UTF-8''|utf-8'')([^;]+)/i.exec(header);
+  if (star?.[1]) {
+    try {
+      return decodeURIComponent(star[1].trim());
+    } catch {
+      /* ignore */
+    }
+  }
+  const quoted = /filename="([^"]+)"/i.exec(header);
+  if (quoted?.[1]) return quoted[1];
+  const plain = /filename=([^;]+)/i.exec(header);
+  return plain?.[1]?.trim() || fallback;
+}
+
+/** Binary download (PNG / zip). JSON error bodies are surfaced as Error. */
+export async function requestDownload(path: string, options: RequestInit = {}, fallbackName: string) {
+  const headers: Record<string, string> = {
+    'X-Client-App': CLIENT_APP,
+    ...(options.headers as Record<string, string>),
+  };
+  if (options.body && !headers['Content-Type']) headers['Content-Type'] = 'application/json';
+  const token = getToken();
+  if (token) headers.Authorization = `Bearer ${token}`;
+
+  const res = await fetch(`${apiBase}${path}`, { ...options, headers });
+  const contentType = res.headers.get('content-type') || '';
+  if (contentType.includes('application/json')) {
+    const json = (await res.json()) as { code?: number; message?: string };
+    if (json.code === 401) {
+      clearAuth();
+      window.location.href = '/login';
+      throw new Error('未登录');
+    }
+    throw new Error(json.message || '下载失败');
+  }
+  if (!res.ok) throw new Error(`下载失败（HTTP ${res.status}）`);
+  const blob = await res.blob();
+  const fileName = parseDownloadFileName(res.headers.get('content-disposition'), fallbackName);
+  const url = URL.createObjectURL(blob);
+  const a = document.createElement('a');
+  a.href = url;
+  a.download = fileName;
+  a.click();
+  URL.revokeObjectURL(url);
+}
+
 export type Paginated<T> = {
   items: T[];
   total: number;