Feat: Replace the link of the old version of the agent module #3221 (#9130)

### What problem does this PR solve?
Feat: Automatically save agent canvas content
Feat: Replace the link of the old version of the agent module #3221
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/profile-setting/mcp/index.tsx

@@ -32,7 +32,7 @@ export default function McpServer() {
   );
 
   return (
-    <section className="p-4">
+    <section className="p-4 w-full">
       <div className="text-text-title text-2xl">MCP Servers</div>
       <section className="flex items-center justify-between pb-5">
         <div className="text-text-sub-title">

web/src/pages/profile-setting/sidebar/index.tsx

@@ -2,6 +2,7 @@ import { useIsDarkTheme, useTheme } from '@/components/theme-provider';
 import { Button } from '@/components/ui/button';
 import { Label } from '@/components/ui/label';
 import { Switch } from '@/components/ui/switch';
+import { ThemeEnum } from '@/constants/common';
 import { useLogout } from '@/hooks/login-hooks';
 import { useSecondPathName } from '@/hooks/route-hook';
 import { cn } from '@/lib/utils';
@@ -60,7 +61,7 @@ export function SideBar() {
 
   const handleThemeChange = useCallback(
     (checked: boolean) => {
-      setTheme(checked ? 'dark' : 'light');
+      setTheme(checked ? ThemeEnum.Dark : ThemeEnum.Light);
     },
     [setTheme],
   );