统一前端错误读取和调试日志

frontend/src/shared/composables/useSmsCountdown.ts

@@ -1,3 +1,4 @@
+import { readError } from '@/shared/utils/error'
 import { onUnmounted, ref } from 'vue'
 import { showToast } from 'vant'
 import { sendSmsCode } from '@/features/auth/api/auth'
@@ -51,13 +52,6 @@ export function useSmsCountdown() {
     }
   }
 
-  function readError(error: unknown, fallback: string) {
-    if (typeof error === 'object' && error && 'response' in error) {
-      const response = (error as { response?: { data?: { message?: string } } }).response
-      return response?.data?.message || fallback
-    }
-    return fallback
-  }
 
   return {
     countDown,