fix: route trace new lot modal instead of separate page

src/app/admin/route-trace/lots/new/page.tsx

@@ -1,38 +1,6 @@
 import { redirect } from "next/navigation";
-import { cookies } from "next/headers";
-import { getAdminUser } from "@/lib/admin-permissions";
-import { isFeatureEnabled } from "@/lib/feature-flags";
-import LotCreateForm from "@/components/route-trace/LotCreateForm";
-import RouteTraceNav from "@/components/route-trace/RouteTraceNav";
 
-export const metadata = {
-  title: "Create New Lot | Route Trace",
-  description: "Create a new harvest lot for traceability tracking. Record crop type, field location, worker, quantity, and harvest date.",
-  keywords: ["create lot", "new lot", "harvest entry", "lot creation", "traceability", "harvest tracking"],
-};
-
-export default async function NewLotPage() {
-  const adminUser = await getAdminUser();
-  if (!adminUser) redirect("/login");
-
-  const cookieStore = await cookies();
-  const devSession = cookieStore.get("dev_session")?.value;
-  const isDevMode = !!devSession;
-
-  const effectiveBrandId = adminUser.brand_id ?? "64294306-5f42-463d-a5e8-2ad6c81a96de";
-
-  const enabled = isDevMode ? true : await isFeatureEnabled(effectiveBrandId, "route_trace");
-  if (!enabled) redirect("/admin/settings/apps?reason=route_trace");
-
-  return (
-    <div className="min-h-screen px-6 py-10" style={{ backgroundColor: "var(--admin-bg)" }}>
-      <div className="mx-auto max-w-2xl">
-        <div className="mb-6">
-          <a href="/admin/route-trace/lots" className="text-sm text-stone-500 hover:text-stone-700">← Back to Lots</a>
-        </div>
-        <RouteTraceNav activeTab="lots" />
-        <LotCreateForm brandId={effectiveBrandId} />
-      </div>
-    </div>
-  );
+export default function NewLotPage() {
+  // New lot creation is now handled via modal in the Lots tab
+  redirect("/admin/route-trace/lots");
 }