fix:完善门店和总部管理端

apps/h5-user/src/lib/promo.ts

@@ -0,0 +1,53 @@
+import { apiBase } from './api';
+
+export const PROMO_STORAGE_KEY = 'dukang_promo_code';
+
+function readPromoFromSearch(search: string): string | null {
+  const params = new URLSearchParams(search.startsWith('?') ? search.slice(1) : search);
+  const code = params.get('promo')?.trim();
+  return code ? code.toUpperCase() : null;
+}
+
+/** 解析 URL 中的 ?promo= 并写入 sessionStorage */
+export function capturePromoFromUrl(): string | null {
+  if (typeof window === 'undefined') return null;
+  let code = readPromoFromSearch(window.location.search);
+  if (!code && window.location.hash.includes('?')) {
+    const hashQuery = window.location.hash.slice(window.location.hash.indexOf('?'));
+    code = readPromoFromSearch(hashQuery);
+  }
+  if (code) {
+    sessionStorage.setItem(PROMO_STORAGE_KEY, code);
+  }
+  return code ?? sessionStorage.getItem(PROMO_STORAGE_KEY);
+}
+
+export function getStoredPromoCode(): string | null {
+  if (typeof window === 'undefined') return null;
+  return sessionStorage.getItem(PROMO_STORAGE_KEY);
+}
+
+/** 调用 /promo/touch 完成扫码归因（OptionalJwt：未登录也累加 scan_count） */
+export async function touchPromoIfNeeded(): Promise<void> {
+  const promoCode = getStoredPromoCode();
+  if (!promoCode) return;
+
+  const headers: Record<string, string> = {
+    'Content-Type': 'application/json',
+    'X-Client-App': 'USER_H5',
+  };
+  const token = localStorage.getItem('accessToken');
+  if (token) headers.Authorization = `Bearer ${token}`;
+
+  try {
+    const res = await fetch(`${apiBase}/promo/touch`, {
+      method: 'POST',
+      headers,
+      body: JSON.stringify({ promoCode }),
+    });
+    const json = await res.json();
+    if (json.code !== 0) return;
+  } catch {
+    /* 静默失败，不阻断用户流程 */
+  }
+}