Add Create page, gated on creator role and ComfyUI

src/app/create/page.tsx

@@ -0,0 +1,27 @@
+import { redirect } from "next/navigation";
+import SiteNav from "@/components/SiteNav";
+import CreateForm from "./CreateForm";
+import { getCurrentUser, canCreate } from "@/lib/session";
+import { isCreateEnabled } from "@/lib/comfyui";
+
+export const dynamic = "force-dynamic";
+export const metadata = { title: "Create · DrawIt" };
+
+export default async function CreatePage({ searchParams }: { searchParams: Promise<{ level?: string }> }) {
+  const user = await getCurrentUser();
+  if (!user) redirect("/login");
+  if (!canCreate(user)) redirect("/learn");
+  // Hide the Create page entirely when ComfyUI isn't configured (Creator role alone isn't enough).
+  if (!isCreateEnabled()) redirect("/learn");
+
+  const { level } = await searchParams;
+  const lvl = level === "beginner" ? "beginner" : "early-beginner";
+
+  return (
+    <>
+      <SiteNav />
+      <main className="container page">
+        <h1>✨ Create your own lesson</h1>
+        <p className="muted" style={{ maxWidth: 640 }}>
+          Type something you&apos;d love to draw and DrawIt will make a brand-new coloring-book lesson for it —
+