debug: 添加 update_type 调试显示

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/pages/admin/versions/create.vue

@@ -529,6 +529,11 @@ onMounted(() => {
                 </UiSelect>
               </div>
 
+              <!-- 调试信息 -->
+              <div class="text-xs text-muted-foreground p-2 bg-muted rounded">
+                DEBUG: update_type = "{{ formData.update_type }}"
+              </div>
+
               <!-- 基础版本选择（仅补丁类型） -->
               <div v-if="formData.update_type === 'patch'" class="space-y-2">
                 <UiLabel>{{ t('admin.versions.createForm.baseVersion') }}</UiLabel>