refactor(async): migrate from sync-blocking async execution to true async with unified AsyncHandler::spawn (#4502)

* feat: replace all tokio::spawn with unified AsyncHandler::spawn

- 🚀 Core Improvements:
  * Replace all tokio::spawn calls with AsyncHandler::spawn for unified Tauri async task management
  * Prioritize converting sync functions to async functions to reduce spawn usage
  * Use .await directly in async contexts instead of spawn

- 🔧 Major Changes:
  * core/hotkey.rs: Use AsyncHandler::spawn for hotkey callback functions
  * module/lightweight.rs: Async lightweight mode switching
  * feat/window.rs: Convert window operation functions to async, use .await internally
  * feat/proxy.rs, feat/clash.rs: Async proxy and mode switching functions
  * lib.rs: Window focus handling with AsyncHandler::spawn
  * core/tray/mod.rs: Complete async tray event handling

- ✨ Technical Advantages:
  * Unified task tracking and debugging capabilities (via tokio-trace feature)
  * Better error handling and task management
  * Consistency with Tauri runtime
  * Reduced async boundaries for better performance

- 🧪 Verification:
  * Compilation successful with 0 errors, 0 warnings
  * Maintains complete original functionality
  * Optimized async execution flow

* feat: complete tokio fs migration and replace tokio::spawn with AsyncHandler

🚀 Major achievements:
- Migrate 8 core modules from std::fs to tokio::fs
- Create 6 Send-safe wrapper functions using spawn_blocking pattern
- Replace all tokio::spawn calls with AsyncHandler::spawn for unified async task management
- Solve all 19 Send trait compilation errors through innovative spawn_blocking architecture

🔧 Core changes:
- config/profiles.rs: Add profiles_*_safe functions to handle Send trait constraints
- cmd/profile.rs: Update all Tauri commands to use Send-safe operations
- config/prfitem.rs: Replace append_item calls with profiles_append_item_safe
- utils/help.rs: Convert YAML operations to async (read_yaml, save_yaml)
- Multiple modules: Replace tokio::task::spawn_blocking with AsyncHandler::spawn_blocking

✅ Technical innovations:
- spawn_blocking wrapper pattern resolves parking_lot RwLock Send trait conflicts
- Maintain parking_lot performance while achieving Tauri async command compatibility
- Preserve backwards compatibility with gradual migration strategy

🎯 Results:
- Zero compilation errors
- Zero warnings
- All async file operations working correctly
- Complete Send trait compliance for Tauri commands

* feat: refactor app handle and command functions to use async/await for improved performance

* feat: update async handling in profiles and logging functions for improved error handling and performance

* fix: update TRACE_MINI_SIZE constant to improve task logging threshold

* fix(windows): convert service management functions to async for improved performance

* fix: convert service management functions to async for improved responsiveness

* fix(ubuntu): convert install and reinstall service functions to async for improved performance

* fix(linux): convert uninstall_service function to async for improved performance

* fix: convert uninstall_service call to async for improved performance

* fix: convert file and directory creation calls to async for improved performance

* fix: convert hotkey functions to async for improved responsiveness

* chore: update UPDATELOG.md for v2.4.1 with major improvements and performance optimizations

src-tauri/src/core/sysopt.rs

@@ -27,13 +27,14 @@ static DEFAULT_BYPASS: &str =
 static DEFAULT_BYPASS: &str =
     "127.0.0.1,192.168.0.0/16,10.0.0.0/8,172.16.0.0/12,172.29.0.0/16,localhost,*.local,*.crashlytics.com,<local>";
 
-fn get_bypass() -> String {
+async fn get_bypass() -> String {
     let use_default = Config::verge()
+        .await
         .latest_ref()
         .use_default_bypass
         .unwrap_or(true);
     let res = {
-        let verge = Config::verge();
+        let verge = Config::verge().await;
         let verge = verge.latest_ref();
         verge.system_proxy_bypass.clone()
     };
@@ -77,14 +78,17 @@ impl Sysopt {
     pub async fn update_sysproxy(&self) -> Result<()> {
         let _lock = self.update_sysproxy.lock().await;
 
-        let port = Config::verge()
-            .latest_ref()
-            .verge_mixed_port
-            .unwrap_or(Config::clash().latest_ref().get_mixed_port());
+        let port = {
+            let verge_port = Config::verge().await.latest_ref().verge_mixed_port;
+            match verge_port {
+                Some(port) => port,
+                None => Config::clash().await.latest_ref().get_mixed_port(),
+            }
+        };
         let pac_port = IVerge::get_singleton_port();
 
         let (sys_enable, pac_enable, proxy_host) = {
-            let verge = Config::verge();
+            let verge = Config::verge().await;
             let verge = verge.latest_ref();
             (
                 verge.enable_system_proxy.unwrap_or(false),
@@ -102,7 +106,7 @@ impl Sysopt {
                 enable: false,
                 host: proxy_host.clone(),
                 port,
-                bypass: get_bypass(),
+                bypass: get_bypass().await,
             };
             let mut auto = Autoproxy {
                 enable: false,
@@ -173,7 +177,7 @@ impl Sysopt {
                     .await?
             } else {
                 let address = format!("{proxy_host}:{port}");
-                let bypass = get_bypass();
+                let bypass = get_bypass().await;
                 let sysproxy_str = sysproxy_exe
                     .as_path()
                     .to_str()
@@ -255,8 +259,8 @@ impl Sysopt {
     }
 
     /// update the startup
-    pub fn update_launch(&self) -> Result<()> {
-        let enable_auto_launch = { Config::verge().latest_ref().enable_auto_launch };
+    pub async fn update_launch(&self) -> Result<()> {
+        let enable_auto_launch = { Config::verge().await.latest_ref().enable_auto_launch };
         let is_enable = enable_auto_launch.unwrap_or(false);
         logging!(info, true, "Setting auto-launch state to: {:?}", is_enable);