feat: post variants, transforms, image generation, AI ideas, channel edit page with image style settings

app/api/generate/transform/route.js

@@ -0,0 +1,15 @@
+import { NextResponse } from 'next/server';
+import { requireUser } from '@/lib/session';
+import { engine } from '@/lib/engine';
+
+export async function POST(req) {
+  const user = await requireUser();
+  if (!user) return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+  const body = await req.json();
+  try {
+    const result = await engine.transformPost(user.id, body);
+    return NextResponse.json(result);
+  } catch (e) {
+    return NextResponse.json({ error: e.message }, { status: 500 });
+  }
+}