chore: preserve initial reconstruction prototype

app/page.jsx

@@ -0,0 +1,15 @@
+import ScenarioForm from "@/components/scenario-form";
+
+export default function Home() {
+  return (
+    <main className="mx-auto max-w-2xl px-6 py-12">
+      <h1 className="mb-2 text-3xl font-bold tracking-tight">Confidence Engine</h1>
+      <p className="mb-8 text-sm text-gray-500">
+        Experimental prototype: enter a scenario and send it to a local LLM for
+        evidence-based structured reconstruction. This is a technical vertical
+        slice — not a production system.
+      </p>
+      <ScenarioForm />
+    </main>
+  );
+}