fix: 添加调试日志排查版本更新不生效问题

frontend/src/pages/admin/versions/[id].vue

@@ -180,13 +180,16 @@ async function handleSubmit() {
       entry_file: formData.value.entry_file,
     }
 
+    console.log('[DEBUG] handleSubmit payload:', JSON.stringify(payload))
+
     if (uploadedData.value) {
       payload.file_path = uploadedData.value.file_path
       payload.file_size = uploadedData.value.file_size
       payload.file_hash = uploadedData.value.file_hash
     }
 
-    await api.put(`/dev/versions/${versionId.value}`, payload)
+    const response = await api.put(`/dev/versions/${versionId.value}`, payload)
+    console.log('[DEBUG] handleSubmit response:', response)
     toast.success(t('admin.versions.createForm.updateSuccess'))
     router.push('/admin/versions')
   }