feat(buyer-tasks): page route + sidebar entry

Co-authored-by: Orca <help@stably.ai>

src/app/(app)/orders/tasks/page.tsx

@@ -0,0 +1,10 @@
+import { BuyerTasksPage } from "@/components/buyer-tasks/buyer-tasks-page";
+
+export default function Page() {
+  return (
+    <div className="container py-4">
+      <h1 className="text-xl font-semibold mb-4">Buyer Tasks</h1>
+      <BuyerTasksPage />
+    </div>
+  );
+}

src/components/sidebar.tsx

@@ -78,6 +78,7 @@ const orderItems: NavEntry[] = [
   { href: "/orders/new", label: "New Order", icon: Plus },
   { href: "/orders", label: "Order List", icon: ShoppingCart },
   { href: "/orders/sprint", label: "Order Sprint", icon: Truck },
+  { href: "/orders/tasks", label: "Buyer Tasks", icon: ClipboardList },
 ];
 
 // Office-side view of the driver / collection workflow. The driver app