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/product-detail/index.tsx

@@ -27,9 +27,9 @@ import {
   normalizeFulfillmentFlags,
 } from '../../lib/product-fulfillment';
 import {
-  DEFAULT_SHARE_DESC,
-  DEFAULT_SHARE_TITLE,
+  buildSceneSharePayload,
   toWeappShareMessage,
+  toWeappShareTimeline,
 } from '../../lib/wechat-share';
 import iconHome from '../../assets/tabbar/home.png';
 import { usePageView } from '../../lib/usePageView';
@@ -88,21 +88,20 @@ export default function ProductDetailPage() {
   });
 
   const sharePayload = useMemo(
-    () => ({
-      title: product?.name || DEFAULT_SHARE_TITLE,
-      desc: product?.subtitle || DEFAULT_SHARE_DESC,
-      path: `/pages/product-detail/index?id=${productId}`,
-      imgUrl: (product ? getProductMainImage(product) : '') || undefined,
-    }),
+    () =>
+      buildSceneSharePayload('productDetail', {
+        path: `/pages/product-detail/index?id=${productId}`,
+        dynamicTitle: product?.name,
+        dynamicDesc: product?.subtitle,
+        dynamicImageUrl: product ? getProductMainImage(product) : undefined,
+      }),
     [product, productId],
   );
 
   useShareAppMessage(() => toWeappShareMessage(sharePayload));
-  useShareTimeline(() => ({
-    title: sharePayload.title || DEFAULT_SHARE_TITLE,
-    query: productId ? `id=${productId}` : '',
-    imageUrl: sharePayload.imgUrl,
-  }));
+  useShareTimeline(() =>
+    toWeappShareTimeline(sharePayload, productId ? `id=${productId}` : ''),
+  );
 
   function goBack() {
     const pages = Taro.getCurrentPages();