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/FinalReviewChipEditModal.tsx

@@ -28,6 +28,7 @@ import {
 import CustomMethodCardModalBody from "./CustomMethodCardModalBody";
 import { buildCustomRuleModalKebabMenu } from "./customRuleModalKebabMenu";
 import { useDiscardCustomizeConfirm } from "../hooks/useDiscardCustomizeConfirm";
+import { useBeforeUnloadGuard } from "../../../hooks/useBeforeUnloadGuard";
 import {
   communicationPresetFor,
   conflictManagementPresetFor,
@@ -370,6 +371,12 @@ export function FinalReviewChipEditModal({
     draftFieldBlocks,
   ]);
 
+  useBeforeUnloadGuard(
+    isOpen &&
+      !addCustomWizardOpen &&
+      (!coreCustomizeSaveDisabled || !methodCustomizeSaveDisabled),
+  );
+
   const modalUsesWizardFieldBlocksBody = Boolean(
     target &&
       (usesWizardFieldBlocksModalBody({