From 3685a1423893b7c44b74881c26734b36d8af4b17 Mon Sep 17 00:00:00 2001
From: tttpob <i@tpob.io>
Date: Tue, 4 Aug 2026 15:52:14 +0800
Subject: [PATCH] fix(ui): keep empty composer caret visible

---
 packages/ui/src/components/chat/composer/editor/theme.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/ui/src/components/chat/composer/editor/theme.ts b/packages/ui/src/components/chat/composer/editor/theme.ts
index 0b685c96..b484af27 100644
--- a/packages/ui/src/components/chat/composer/editor/theme.ts
+++ b/packages/ui/src/components/chat/composer/editor/theme.ts
@@ -19,6 +19,8 @@ export const COMPOSER_EDITOR_THEME_SPEC = {
     '&.cm-focused': { outline: 'none' },
     '.cm-content': {
         padding: '0',
+        // Keep the drawn empty-document cursor inside the scroller's horizontal clip.
+        paddingInlineStart: '1px',
         fontFamily: 'inherit',
         fontSize: 'inherit',
         lineHeight: 'inherit',