feat(mini): v4.0.8 客服卡片主包落地、定位误报修复，合伙人微信内预览保存海报

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

apps/h5-partner/src/pages/AssocQrcodePage.tsx

@@ -4,6 +4,7 @@ import PageHeader from '@dukang/shared-ui/PageHeader';
 import type { PartnerAssocSummary } from '@dukang/shared-types';
 import { request } from '../lib/api';
 import { toastError, toastSuccess } from '../lib/toast';
+import { isHttpImageUrl, previewSaveableImage } from '../lib/wechat-save-image';
 import { isWechatEnv } from '../lib/weixin';
 import { usePartnerPageView } from '../lib/usePageView';
 
@@ -11,7 +12,6 @@ export default function AssocQrcodePage() {
   usePartnerPageView('partner_assoc_qrcode_view');
   const navigate = useNavigate();
   const [summary, setSummary] = useState<PartnerAssocSummary | null>(null);
-  const [previewUrl, setPreviewUrl] = useState<string | null>(null);
   const [loading, setLoading] = useState(true);
 
   useEffect(() => {
@@ -21,11 +21,12 @@ export default function AssocQrcodePage() {
       .finally(() => setLoading(false));
   }, []);
 
-  useEffect(() => () => {
-    if (previewUrl) URL.revokeObjectURL(previewUrl);
-  }, [previewUrl]);
-
   async function downloadQr() {
+    const publicUrl = summary?.qrcodeUrl;
+    if (isWechatEnv() && isHttpImageUrl(publicUrl)) {
+      await previewSaveableImage(publicUrl);
+      return;
+    }
     const token = localStorage.getItem('accessToken');
     try {
       const res = await fetch('/api/v1/partner/assoc/qrcode', {
@@ -37,11 +38,6 @@ export default function AssocQrcodePage() {
       if (!res.ok) throw new Error('下载失败');
       const blob = await res.blob();
       const url = URL.createObjectURL(blob);
-      if (isWechatEnv()) {
-        setPreviewUrl(url);
-        toastSuccess('请长按图片保存到相册');
-        return;
-      }
       const a = document.createElement('a');
       a.href = url;
       a.download = `partner-assoc-${summary?.partnerId || 'qr'}.png`;
@@ -49,9 +45,8 @@ export default function AssocQrcodePage() {
       URL.revokeObjectURL(url);
       toastSuccess('已开始下载');
     } catch (e) {
-      if (summary?.qrcodeUrl) {
-        setPreviewUrl(summary.qrcodeUrl);
-        toastSuccess('请长按图片保存到相册');
+      if (isWechatEnv() && isHttpImageUrl(publicUrl)) {
+        await previewSaveableImage(publicUrl);
         return;
       }
       toastError(e instanceof Error ? e.message : '下载失败');
@@ -70,7 +65,8 @@ export default function AssocQrcodePage() {
             </p>
             {summary?.qrcodeUrl ? (
               <img
-                src={previewUrl || summary.qrcodeUrl}
+                className="partner-longpress-img"
+                src={summary.qrcodeUrl}
                 alt="关联码"
                 style={{ width: 220, height: 220, background: '#fff' }}
               />
@@ -83,11 +79,11 @@ export default function AssocQrcodePage() {
             <button type="button" className="partner-btn-primary" style={{ marginTop: 20 }} onClick={() => void downloadQr()}>
               下载二维码
             </button>
-            {previewUrl && isWechatEnv() && (
+            {isWechatEnv() && summary?.qrcodeUrl ? (
               <p className="label-md text-muted" style={{ marginTop: 12 }}>
-                微信内请长按上方图片保存
+                微信内请点「下载二维码」后长按保存
               </p>
-            )}
+            ) : null}
           </div>
         </section>
       )}