feat(src/utils/a2use.vue): 添加 SafeNFormItem 组件用于电话号码验证

src/utils/a2use.vue

@@ -72,6 +72,14 @@ function handleValidateClick() {
             <n-input v-model:value="formValue.phone" placeholder="电话号码" />
           </n-form-item>
 
+          <SafeNFormItem
+            label="电话号码"
+            path="phone"
+            :rule="{ required: true, message: '请输入电话号码', trigger: ['blur'] }"
+          >
+            <!-- 如果没有提供插槽，会默认渲染一个`<NInput>` -->
+          </SafeNFormItem>
+
           <n-form-item>
             <n-button attr-type="button" @click="handleValidateClick"> 验证 </n-button>
           </n-form-item>