refactor: clean up unused backend code

src-tauri/src/cmd/profile.rs

@@ -350,7 +350,6 @@ pub async fn patch_profiles_config(profiles: IProfiles) -> CmdResult<ValidationO
 }
 
 /// 根据profile name修改profiles
-#[tauri::command]
 pub async fn patch_profiles_config_by_profile_index(profile_index: String) -> CmdResult<ValidationOutcome> {
     logging!(info, Type::Cmd, "切换配置到: {}", profile_index);
 

src-tauri/src/core/tray/speed_task.rs

@@ -10,8 +10,6 @@ use tauri_plugin_mihomo::models::WsConnectionId;
 
 /// 托盘速率流异常后的重连间隔。
 const TRAY_SPEED_RETRY_DELAY: Duration = Duration::from_secs(1);
-/// 托盘速率流运行时的空闲轮询间隔。
-const TRAY_SPEED_IDLE_POLL_INTERVAL: Duration = Duration::from_millis(200);
 /// 托盘速率流在此时间内收不到有效数据时，触发重连并降级到 0/0。
 const TRAY_SPEED_STALE_TIMEOUT: Duration = Duration::from_secs(5);
 
@@ -88,9 +86,7 @@ impl TraySpeedController {
 
                 loop {
                     let next_state = speed_stream
-                        .next_event(TRAY_SPEED_IDLE_POLL_INTERVAL, TRAY_SPEED_STALE_TIMEOUT, || {
-                            handle::Handle::global().is_exiting()
-                        })
+                        .next_event(TRAY_SPEED_STALE_TIMEOUT, || handle::Handle::global().is_exiting())
                         .await;
 
                     match next_state {

src-tauri/src/enhance/tun.rs

@@ -10,17 +10,6 @@ macro_rules! revise {
     };
 }
 
-// if key not exists then append value
-#[allow(unused_macros)]
-macro_rules! append {
-    ($map: expr, $key: expr, $val: expr) => {
-        let ret_key = Value::String($key.into());
-        if !$map.contains_key(&ret_key) {
-            $map.insert(ret_key, Value::from($val));
-        }
-    };
-}
-
 pub fn use_tun(mut config: Mapping, enable: bool) -> Mapping {
     let tun_key = Value::from("tun");
     let tun_val = config.get(&tun_key);

src-tauri/src/utils/connections_stream.rs

@@ -96,15 +96,9 @@ impl<T> MihomoWsEventStream<T> {
     /// 等待下一次可用事件或结束状态。
     ///
     /// # Arguments
-    /// * `idle_poll_interval` - 空闲检查间隔
     /// * `stale_timeout` - 无有效事件超时时间
     /// * `should_exit` - 上层退出判定函数
-    pub async fn next_event<F>(
-        &mut self,
-        _idle_poll_interval: Duration, // 签名保留，但内部逻辑已进化为更高效的驱动方式
-        stale_timeout: Duration,
-        should_exit: F,
-    ) -> StreamConsumeState<T>
+    pub async fn next_event<F>(&mut self, stale_timeout: Duration, should_exit: F) -> StreamConsumeState<T>
     where
         F: Fn() -> bool,
     {