first commit

frontend/components/Shell.tsx

@@ -0,0 +1,36 @@
+"use client";
+
+import Link from "next/link";
+import { useEffect, useState } from "react";
+import { apiFetch } from "@/lib/api";
+
+export default function Shell({ children }: { children: React.ReactNode }) {
+  const [me, setMe] = useState<{email:string, role:string} | null>(null);
+
+  useEffect(() => {
+    apiFetch("/auth/me").then(setMe).catch(() => setMe(null));
+  }, []);
+
+  return (
+    <div className="flex">
+      <aside className="w-64 shrink-0 border-r border-zinc-800 min-h-screen p-4">
+        <div className="text-lg font-semibold">mt-traffic</div>
+        <div className="mt-4 space-y-2 text-sm">
+          <Link className="block hover:text-white text-zinc-300" href="/dashboards">Dashboards</Link>
+          <Link className="block hover:text-white text-zinc-300" href="/admin">Admin</Link>
+        </div>
+        <div className="mt-6 text-xs text-zinc-400">
+          {me ? (
+            <div>
+              <div>{me.email}</div>
+              <div className="uppercase">{me.role}</div>
+            </div>
+          ) : (
+            <div>Not logged in</div>
+          )}
+        </div>
+      </aside>
+      <main className="flex-1 p-6">{children}</main>
+    </div>
+  );
+}