refactor(http): 移除.promise调用并实现无感刷新token

- 移除所有API调用中的.promise后缀，简化调用方式
- 在http.ts中实现双token无感刷新机制
- 移除测试用的sleep延迟和取消请求相关代码
- 优化401错误处理，支持双token模式自动刷新

src/pages/about/components/request-openapi.vue

@@ -6,10 +6,11 @@ const loading = ref(false)
 const error = ref<Error | null>(null)
 const data = ref<UserItem>()
 
+// openapi 请求示例
 async function getUserInfo() {
   try {
     loading.value = true
-    const res = await (await infoUsingGet({})).promise
+    const res = await infoUsingGet({})
     console.log(res)
     data.value = res
     error.value = null
@@ -22,7 +23,9 @@ async function getUserInfo() {
     loading.value = false
   }
 }
-const { data: data2, loading: loading2, run, cancel } = useRequest(() => listAllUsingGet({}), {
+
+// openapi + useRequest 请求示例
+const { data: data2, loading: loading2, run } = useRequest(() => listAllUsingGet({}), {
   immediate: false,
 })
 </script>
@@ -50,9 +53,6 @@ const { data: data2, loading: loading2, run, cancel } = useRequest(() => listAll
       <button type="primary" size="mini" class="w-160px" @click="run">
         发送请求
       </button>
-      <button type="default" size="mini" class="w-160px" @click="cancel">
-        取消请求
-      </button>
     </view>
     <view class="text-xl">
       请求数据如下