feat(mini-user): configurable WeChat mini share scenes in system settings

Add HQ group for default and per-page share title/desc/image; expose via client-config and wire all mini-user share entry points.

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

apps/mini-user/src/pages/store-detail/index.tsx

@@ -19,9 +19,9 @@ import { maskPhone } from '../../lib/phone';
 import { track } from '../../lib/analytics';
 import { formatShanghaiDateTime } from '../../lib/datetime';
 import {
-  DEFAULT_SHARE_DESC,
-  DEFAULT_SHARE_TITLE,
+  buildSceneSharePayload,
   toWeappShareMessage,
+  toWeappShareTimeline,
 } from '../../lib/wechat-share';
 
 type StoreMedia = {
@@ -237,18 +237,15 @@ export default function StoreDetailPage() {
     void loadRecentRedeems(id);
   });
 
-  const sharePayload = useMemo(
-    () => {
-      const envFirst = store ? envPhotoUrls(store)[0] : undefined;
-      return {
-        title: store?.name || DEFAULT_SHARE_TITLE,
-        desc: store?.intro?.trim() || store?.address || DEFAULT_SHARE_DESC,
-        path: `/pages/store-detail/index?id=${storeId}`,
-        imgUrl: store?.coverUrl || envFirst || store?.carouselUrls?.[0] || undefined,
-      };
-    },
-    [store, storeId],
-  );
+  const sharePayload = useMemo(() => {
+    const envFirst = store ? envPhotoUrls(store)[0] : undefined;
+    return buildSceneSharePayload('storeDetail', {
+      path: `/pages/store-detail/index?id=${storeId}`,
+      dynamicTitle: store?.name,
+      dynamicDesc: store?.intro?.trim() || store?.address,
+      dynamicImageUrl: store?.coverUrl || envFirst || store?.carouselUrls?.[0],
+    });
+  }, [store, storeId]);
 
   const marqueeLines = useMemo(
     () => recentRedeems.map(formatRecentRedeemLine).filter(Boolean),
@@ -256,11 +253,9 @@ export default function StoreDetailPage() {
   );
 
   useShareAppMessage(() => toWeappShareMessage(sharePayload));
-  useShareTimeline(() => ({
-    title: sharePayload.title || DEFAULT_SHARE_TITLE,
-    query: storeId ? `id=${storeId}` : '',
-    imageUrl: sharePayload.imgUrl,
-  }));
+  useShareTimeline(() =>
+    toWeappShareTimeline(sharePayload, storeId ? `id=${storeId}` : ''),
+  );
 
   function goBack() {
     const pages = Taro.getCurrentPages();