fix(h5-partner): allow reopening WeChat image picker after cancel

Avoid resetting JSSDK on each pick and unlock cancel paths so camera/album can be opened again.

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

packages/weixin-sdk/src/chooseImage.ts

@@ -17,10 +17,14 @@ function delay(ms: number): Promise<void> {
   return new Promise((resolve) => window.setTimeout(resolve, ms));
 }
 
+function isChooseImageCancelMessage(msg: string): boolean {
+  return /cancel|取消/i.test(msg.trim());
+}
+
 /** 将微信 chooseImage / getLocalImgData fail 的 errMsg 转为用户可读文案 */
 export function formatChooseImageFailMessage(errMsg: string): string {
   const msg = errMsg.trim() || '无法打开相册';
-  if (/cancel/i.test(msg)) return '';
+  if (isChooseImageCancelMessage(msg)) return '';
 
   if (/offline verifying|permission value is offline/i.test(msg)) {
     return '微信权限验证中，请稍候再试或刷新页面后重新选择图片';
@@ -54,7 +58,7 @@ async function reportChooseImageEvent(
     stage: 'jssdk' | 'choose' | 'read' | 'empty';
   },
 ) {
-  if (/cancel/i.test(payload.errMsg)) return;
+  if (isChooseImageCancelMessage(payload.errMsg)) return;
   try {
     const headers: Record<string, string> = {
       'Content-Type': 'application/json',
@@ -159,19 +163,38 @@ function invokeChooseImage(
   sourceType: Array<'album' | 'camera'>,
 ): Promise<string[]> {
   return new Promise((resolve, reject) => {
+    let settled = false;
+    const finish = (fn: () => void) => {
+      if (settled) return;
+      settled = true;
+      window.clearTimeout(hangTimer);
+      fn();
+    };
+
+    // 极端机型取消后无回调：最长等待后按取消解锁，避免业务侧 uploading 永久卡住
+    const hangTimer = window.setTimeout(() => {
+      finish(() => resolve([]));
+    }, 180_000);
+
     window.wx!.chooseImage!({
       count,
       sizeType: ['compressed'],
       sourceType,
-      success: (res) => resolve(res.localIds ?? []),
+      success: (res) => finish(() => resolve(res.localIds ?? [])),
       fail: (err) => {
         const raw = err.errMsg || '无法打开相册';
-        if (/cancel/i.test(raw)) {
-          resolve([]);
+        if (isChooseImageCancelMessage(raw)) {
+          finish(() => resolve([]));
           return;
         }
         const formatted = formatChooseImageFailMessage(raw);
-        reject(new Error(formatted || raw));
+        finish(() => reject(new Error(formatted || raw)));
+      },
+      // 部分微信版本取消只走 complete
+      complete: () => {
+        window.setTimeout(() => {
+          finish(() => resolve([]));
+        }, 300);
       },
     });
   });