refactor: add debounce to optimize config updates and provider refresh handling

src/pages/_layout.tsx

@@ -170,6 +170,8 @@ const Layout = () => {
 
   // 设置监听器
   useEffect(() => {
+    let providersDebounceTimer: ReturnType<typeof setTimeout> | undefined;
+    
     const listeners = [
       addListener("verge://refresh-clash-config", async () => {
         await getAxios(true);
@@ -185,6 +187,18 @@ const Layout = () => {
         mutate("getAutotemProxy");
       }),
 
+      addListener("verge://refresh-providers-proxies", () => {
+        if (providersDebounceTimer) {
+          clearTimeout(providersDebounceTimer);
+        }
+        
+        providersDebounceTimer = setTimeout(() => {
+          console.log('[Layout] Debounced refresh-providers-proxies event');
+          mutate("getProxyProviders");
+          providersDebounceTimer = undefined;
+        }, 500);
+      }),
+
       addListener("verge://notice-message", ({ payload }) =>
         handleNotice(payload as [string, string]),
       ),
@@ -206,6 +220,10 @@ const Layout = () => {
     const cleanupWindow = setupWindowListeners();
 
     return () => {
+      if (providersDebounceTimer) {
+        clearTimeout(providersDebounceTimer);
+      }
+      
       listeners.forEach((listener) => {
         if (typeof listener.then === "function") {
           listener.then((unlisten) => unlisten());