From d9984345e6cd530c978e36384a87b8d71f725df7 Mon Sep 17 00:00:00 2001
From: HankGrimm <87528983+HankGrimm@users.noreply.github.com>
Date: Fri, 21 Aug 2026 14:40:15 +0800
Subject: [PATCH] fix: block Enter submission when submit button is not in DOM

---
 packages/elements/src/prompt-input.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/elements/src/prompt-input.tsx b/packages/elements/src/prompt-input.tsx
index 412c846d..00305989 100644
--- a/packages/elements/src/prompt-input.tsx
+++ b/packages/elements/src/prompt-input.tsx
@@ -988,7 +988,7 @@ export const PromptInputTextarea = ({
         const submitButton = form?.querySelector(
           'button[type="submit"]'
         ) as HTMLButtonElement | null;
-        if (submitButton?.disabled) {
+        if (!submitButton || submitButton.disabled) {
           return;
         }