fix(tests): suppress clippy expect warnings in enhance function

fix(timer): improve task removal logic in add_task method
refactor(notification): drop binding after emitting event
chore(Cargo): add lints section to Cargo.toml

src-tauri/Cargo.toml

@@ -123,3 +123,6 @@ tauri-plugin-updater = "2.9.0"
 
 [dev-dependencies]
 criterion = { workspace = true }
+
+[lints]
+workspace = true

src-tauri/src/cmd/system.rs

@@ -4,7 +4,7 @@ use super::CmdResult;
 use crate::core::{CoreManager, handle, manager::RunningMode};
 use clash_verge_logging::{Type, logging};
 use parking_lot::RwLock;
-use tauri::Manager;
+use tauri::Manager as _;
 use tauri_plugin_clash_verge_sysinfo::Platform;
 use tauri_plugin_clipboard_manager::ClipboardExt as _;
 

src-tauri/src/core/notification.rs

@@ -102,8 +102,6 @@ impl NotificationSystem {
         }
     }
 
-    // Clippy 似乎对 parking lot 的 RwLock 有误报，这里禁用相关警告
-    #[allow(clippy::significant_drop_tightening)]
     fn process_event(handle: &super::handle::Handle, event: FrontendEvent) {
         let binding = handle.notification_system.read();
         let system = match binding.as_ref() {
@@ -117,6 +115,7 @@ impl NotificationSystem {
 
         if let Some(window) = super::handle::Handle::get_window() {
             system.emit_to_window(&window, event);
+            drop(binding);
             thread::sleep(timing::EVENT_EMIT_DELAY);
         }
     }

src-tauri/src/core/timer.rs

@@ -253,12 +253,11 @@ impl Timer {
 
         // Now perform async operations without holding locks
         let delay_timer = self.delay_timer.write();
-        let mut timer_map = self.timer_map.write();
         for (uid, tid, interval) in operations_to_add {
             if let Err(e) = self.add_task(&delay_timer, uid.clone(), tid, interval) {
                 logging_error!(Type::Timer, "Failed to add task for uid {}: {}", uid, e);
                 // Rollback on failure - remove from timer_map
-                timer_map.remove(&uid);
+                self.timer_map.write().remove(&uid);
             } else {
                 logging!(debug, Type::Timer, "Added task {} for uid {}", tid, uid);
             }

src-tauri/src/enhance/mod.rs

@@ -692,6 +692,7 @@ pub async fn enhance() -> (Mapping, Vec<String>, HashMap<String, ResultLog>) {
     (config, exists_keys, result_map)
 }
 
+#[allow(clippy::expect_used)]
 #[cfg(test)]
 mod tests {
     use super::cleanup_proxy_groups;