feat(mcp): подготовить сервер и доступ к приёмке

app/(main)/loading.tsx

@@ -0,0 +1,15 @@
+import { Skeleton } from "@/components/ui/skeleton"
+
+export default function MainLoading() {
+  return (
+    <div className="flex flex-col gap-5 p-6">
+      <div className="grid grid-cols-2 sm:grid-cols-4 gap-4">
+        {Array.from({ length: 4 }).map((_, i) => (
+          <Skeleton key={i} className="h-24 rounded-xl" />
+        ))}
+      </div>
+      <Skeleton className="h-10 w-full max-w-md rounded-lg" />
+      <Skeleton className="h-96 w-full rounded-xl" />
+    </div>
+  )
+}