Warn on tab close when create-flow module or wizard edits have not been saved.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/(app)/create/components/CustomMethodCardWizard/CustomMethodCardWizard.container.tsx

@@ -6,6 +6,7 @@ import {
   useTranslation,
 } from "../../../../contexts/MessagesContext";
 import { useAsyncConfirm } from "../../../../hooks/useAsyncConfirm";
+import { useBeforeUnloadGuard } from "../../../../hooks/useBeforeUnloadGuard";
 import type { CustomMethodCardFieldBlock } from "../../../../../lib/create/customMethodCardFieldBlocks";
 import {
   CUSTOM_METHOD_CARD_WIZARD_MAX_DESCRIPTION_CHARS,
@@ -213,6 +214,8 @@ const CustomMethodCardWizardContainer = memo<CustomMethodCardWizardProps>(
       policyTitle,
     ]);
 
+    useBeforeUnloadGuard(isOpen && isWizardSessionDirty());
+
     const confirmAbandonWizardEdits = useCallback(async () => {
       if (!isWizardSessionDirty()) {
         return true;