Refactor timer management and remove delay_timer dependency (#7075)

* Refactor timer management and remove delay_timer dependency

The delay_timer spawned tokio threads of cores, which not controled by expected.

* refactor: improve logging messages in Timer implementation

* fix(timer): prevent potential panic by using saturating_mul for interval calculations

* refactor timer scheduler

* chore: translate timer logs to english

* fix timer clippy warnings

* fix profile auto update refresh

* fix duplicate profile update notification

* fix: prevent potential panic in lightweight timer setup

* fix profile update listener cleanup

* Revert "fix duplicate profile update notification"

This reverts commit 4aafa94d3e.

src-tauri/src/cmd/profile.rs

@@ -349,9 +349,9 @@ pub async fn patch_profile(index: String, profile: PrfItem) -> CmdResult {
     // 如果更新间隔或允许自动更新变更，异步刷新定时器
     if should_refresh_timer {
         crate::process::AsyncHandler::spawn(move || async move {
-            logging!(info, Type::Timer, "定时器更新间隔已变更，正在刷新定时器...");
+            logging!(info, Type::Timer, "Timer update settings changed, refreshing timer...");
             if let Err(e) = crate::core::Timer::global().refresh().await {
-                logging!(error, Type::Timer, "刷新定时器失败: {}", e);
+                logging!(error, Type::Timer, "Failed to refresh timer: {}", e);
             } else {
                 // 刷新成功后发送自定义事件，不触发配置重载
                 crate::core::handle::Handle::notify_timer_updated(&index);