fix(h5-shop): harden iOS WeChat scan after login with hard nav and recover UI

Root cause is JSSDK entry-URL mismatch after SPA post-OAuth, not camera permission. Hard-navigate on iOS, keep OAuth query in sign URL, skip redundant bind OAuth, and prompt refresh/re-auth on failure.

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

apps/h5-shop/src/pages/SelectStorePage.tsx

@@ -1,6 +1,7 @@
 import { useCallback, useEffect, useState } from 'react';
 import { useNavigate } from 'react-router-dom';
 import PullToRefresh from '@dukang/shared-ui/PullToRefresh';
+import { hardNavigateInWechat, shouldHardNavigateForJssdk } from '@dukang/weixin-sdk';
 import { useStoreSession } from '../contexts/StoreSessionContext';
 import {
   needsStoreSelection,
@@ -10,6 +11,14 @@ import {
   type ShopStoreOption,
 } from '../lib/api';
 
+function goShopHome(navigate: (path: string, opts?: { replace?: boolean }) => void) {
+  if (shouldHardNavigateForJssdk()) {
+    hardNavigateInWechat('/');
+    return;
+  }
+  navigate('/', { replace: true });
+}
+
 export default function SelectStorePage() {
   const navigate = useNavigate();
   const { applySession, store, authenticated } = useStoreSession();
@@ -37,7 +46,7 @@ export default function SelectStorePage() {
   async function onSelect(storeId: string) {
     if (loadingId) return;
     if (storeId === currentStoreId) {
-      navigate('/', { replace: true });
+      goShopHome(navigate);
       return;
     }
     setLoadingId(storeId);
@@ -45,7 +54,7 @@ export default function SelectStorePage() {
     try {
       const session = await selectStore(storeId);
       applySession(session);
-      navigate('/', { replace: true });
+      goShopHome(navigate);
     } catch (e) {
       setMsg(e instanceof Error ? e.message : '选店失败');
     } finally {
@@ -166,9 +175,11 @@ export function routeAfterShopLogin(
   session: ShopSessionPayload,
   navigate: (path: string, opts?: { replace?: boolean }) => void,
 ) {
-  if (needsStoreSelection(session)) {
-    navigate('/select-store', { replace: true });
+  const path = needsStoreSelection(session) ? '/select-store' : '/';
+  // iOS 微信：必须整页跳转，让业务页成为 JSSDK 新入场 URL，否则扫码验签必挂
+  if (shouldHardNavigateForJssdk()) {
+    hardNavigateInWechat(path);
     return;
   }
-  navigate('/', { replace: true });
+  navigate(path, { replace: true });
 }