US-017 completed

src/renderer/components/ai/AIChatPanel.tsx

@@ -0,0 +1,12 @@
+import { Sparkles } from 'lucide-react';
+
+export function AIChatPanel() {
+  return (
+    <div className="absolute inset-0 z-0 flex flex-col items-center justify-center bg-background">
+      <Sparkles size={32} className="text-muted-foreground/40 mb-3" />
+      <p className="text-sm text-muted-foreground/60 tracking-wide">
+        AI Chat — coming soon
+      </p>
+    </div>
+  );
+}