chore(ui): Update dashboard and layout titles

- Rename application title to "Proxy Go控制台"
- Reduce metrics and cache page refresh interval from 5s to 1s for more real-time updates

web/app/dashboard/cache/page.tsx

@@ -129,7 +129,7 @@ export default function CachePage() {
     fetchConfigs()
 
     // 设置定时刷新
-    const interval = setInterval(fetchStats, 5000)
+    const interval = setInterval(fetchStats, 1000)
     return () => clearInterval(interval)
   }, [fetchStats, fetchConfigs])
 

web/app/dashboard/page.tsx

@@ -95,7 +95,7 @@ export default function DashboardPage() {
 
   useEffect(() => {
     fetchMetrics()
-    const interval = setInterval(fetchMetrics, 5000)
+    const interval = setInterval(fetchMetrics, 1000)
     return () => clearInterval(interval)
   }, [fetchMetrics])
 

web/app/layout.tsx

@@ -6,8 +6,8 @@ import { Toaster } from "@/components/ui/toaster";
 const inter = Inter({ subsets: ["latin"] });
 
 export const metadata: Metadata = {
-  title: "代理服务管理后台",
-  description: "代理服务管理后台",
+  title: "Proxy Go控制台",
+  description: "Proxy Go控制台",
 };
 
 export default function RootLayout({