fix(auth): 修复授权后跳转逻辑并启用降级导航

修复授权成功后跳转回原页面时硬编码路径的问题，改为使用默认跳转
启用被注释的导航降级逻辑，当navigateTo失败时自动降级为redirectTo

 /*
  * @Date: 2025-06-28 10:33:00
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2026-01-12 23:48:04
+ * @LastEditTime: 2026-01-13 00:07:41
  * @FilePath: /xyxBooking-weapp/src/app.js
  * @Description: 文件描述
  */

@@ -19,7 +19,7 @@ import { silentAuth, returnToOriginalPage } from '@/utils/authRedirect'
 
 useDidShow(() => {
     silentAuth()
-      .then(() => returnToOriginalPage('/pages/index/index'))
+      .then(() => returnToOriginalPage())
       .catch((error) => {
         Taro.showToast({ title: error?.message || '授权失败', icon: 'none' })
       })

@@ -211,10 +211,9 @@ export const navigateToAuth = (return_path) => {
         return
     }
 
-    // TAG: navigateTo 失败时（例如页面栈满），降级为 redirectTo
-    // Taro.navigateTo({ url: '/pages/auth/index' }).catch(() => {
-    //     return Taro.redirectTo({ url: '/pages/auth/index' })
-    // })
+    Taro.navigateTo({ url: '/pages/auth/index' }).catch(() => {
+        return Taro.redirectTo({ url: '/pages/auth/index' })
+    })
 }
 
 /**