feat(client): workspace

Signed-off-by: Noa Virellia <noa@requiem.garden>

client/src/components/site-header.tsx

@@ -0,0 +1,17 @@
+import { Separator } from '@/components/ui/separator';
+import { SidebarTrigger } from '@/components/ui/sidebar';
+
+export function SiteHeader() {
+  return (
+    <header className="flex h-(--header-height) shrink-0 items-center gap-2 border-b transition-[width,height] ease-linear group-has-data-[collapsible=icon]/sidebar-wrapper:h-(--header-height)">
+      <div className="flex w-full items-center gap-1 px-4 lg:gap-2 lg:px-6">
+        <SidebarTrigger className="-ml-1" />
+        <Separator
+          orientation="vertical"
+          className="mx-2 data-[orientation=vertical]:h-4"
+        />
+        <h1 className="text-base font-medium">工作台</h1>
+      </div>
+    </header>
+  );
+}