diff --git a/src/components/forms/custom-form-builder.tsx b/src/components/forms/custom-form-builder.tsx
index 14f90f6..c30c690 100644
--- a/src/components/forms/custom-form-builder.tsx
+++ b/src/components/forms/custom-form-builder.tsx
@@ -395,6 +395,7 @@ export function CustomFormBuilder() {
         indent: number;
         caption?: boolean;
         heading?: 0 | 1 | 2 | 3;
+        marker?: string; // list marker prefix like "1." or "•"
       }
     | { kind: "table"; rows: TableCellSeg[][] };