fix(partner): resolve WeChat image picker auth denied on store create

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

apps/h5-partner/src/components/OssUploadField.tsx

@@ -1,4 +1,4 @@
-import { useId, useRef, useState } from 'react';
+import { useEffect, useId, useRef, useState } from 'react';
 import { uploadFileToOss, type OssMediaType } from '../lib/upload';
 import { isWechatEnv, weixinSdk } from '../lib/weixin';
 
@@ -34,6 +34,13 @@ export default function OssUploadField({
     accept ?? (mediaType === 'VIDEO' ? 'video/*' : mediaType === 'FILE' ? 'image/*,.pdf' : 'image/*');
   const useWechatPicker = isWechatEnv() && mediaType !== 'VIDEO';
 
+  useEffect(() => {
+    if (!useWechatPicker) return;
+    void weixinSdk.init().catch(() => {
+      /* 点击上传时会再次初始化并提示 */
+    });
+  }, [useWechatPicker]);
+
   async function uploadSelectedFile(file: File) {
     if (file.size > DEFAULT_MAX_MB * 1024 * 1024) {
       setError(`文件不能超过 ${DEFAULT_MAX_MB}MB`);
@@ -66,11 +73,16 @@ export default function OssUploadField({
           await uploadSelectedFile(files[0]);
           return;
         }
+        setError('未能获取图片，请重试');
       } catch (e) {
         const msg = e instanceof Error ? e.message : '无法打开相册';
-        if (!/cancel/i.test(msg)) setError(msg);
-        return;
+        if (!/cancel/i.test(msg)) {
+          setError(/permission|auth|denied|授权|拒绝/i.test(msg)
+            ? '微信选图授权失败，请刷新页面后重试'
+            : msg);
+        }
       }
+      return;
     }
 
     inputRef.current?.click();

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

@@ -6,6 +6,7 @@ import OssUploadField from '../components/OssUploadField';
 import { request } from '../lib/api';
 import { resolveRegionBinding } from '../lib/china-region';
 import { fetchPartnerCities, type OpenCityOption } from '../lib/upload';
+import { isWechatEnv, weixinSdk } from '../lib/weixin';
 import {
   clearStoreDraft,
   defaultStoreForm,
@@ -41,6 +42,13 @@ export default function StoreCreatePage() {
     saveStoreDraft({ step, form });
   }, [step, form]);
 
+  useEffect(() => {
+    if (step !== 2 || !isWechatEnv()) return;
+    void weixinSdk.init().catch(() => {
+      /* OssUploadField 点击时会再次初始化 */
+    });
+  }, [step]);
+
   useEffect(() => {
     void fetchPartnerCities()
       .then((items) => {