refactor: repartition server-side and client-side code

app/.client/components/sidebar/HistorySwitch.tsx

@@ -0,0 +1,23 @@
+import { memo, useEffect, useState } from 'react';
+import { IconButton } from '~/.client/components/ui/IconButton';
+import { toggleSidebar } from '~/.client/stores/sidebar';
+
+interface HistorySwitchProps {
+  className?: string;
+}
+
+export const HistorySwitch = memo(({ className }: HistorySwitchProps) => {
+  const [domLoaded, setDomLoaded] = useState(false);
+
+  useEffect(() => {
+    setDomLoaded(true);
+  }, []);
+
+  return (
+    domLoaded && (
+      <IconButton className={className} title="查看历史" onClick={toggleSidebar}>
+        <div className="i-mingcute:history-line text-xl"></div>
+      </IconButton>
+    )
+  );
+});