fix: switch to Gemini AI, fix free-tier output, fix spinner state, upgrade prompts, multi-domain routing

components/OutputPanel.tsx

@@ -13,6 +13,7 @@ interface OutputPanelProps {
   preview: string | null;
   fullOutput: string | null;
   isPaid: boolean;
+  generating?: boolean;
   onPaymentRequest: () => void;
   paymentLoading?: boolean;
 }
@@ -23,17 +24,20 @@ export default function OutputPanel({
   preview,
   fullOutput,
   isPaid,
+  generating,
   onPaymentRequest,
   paymentLoading,
 }: OutputPanelProps) {
   const [output, setOutput] = useState(fullOutput);
   const [finalizing, setFinalizing] = useState(false);
 
-  const state: State = !sessionId
-    ? 'idle'
-    : !preview
-      ? 'generating'
-      : !isPaid
+  const state: State = generating
+    ? 'generating'
+    : !sessionId
+      ? 'idle'
+      : !preview
+        ? 'idle'
+        : !isPaid
         ? 'preview'
         : finalizing
           ? 'done'