From 2a5993e4a8daec9d39110927d0542ea569db6059 Mon Sep 17 00:00:00 2001
From: rvdavid-rbi <214916231+rvdavid-rbi@users.noreply.github.com>
Date: Wed, 24 Jun 2026 07:11:43 +1000
Subject: [PATCH] fix(tui): preserve Ctrl+J newline in VTE terminals

---
 ui-tui/src/__tests__/textInputPassThrough.test.ts | 6 +++++-
 ui-tui/src/components/textInput.tsx               | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/ui-tui/src/__tests__/textInputPassThrough.test.ts b/ui-tui/src/__tests__/textInputPassThrough.test.ts
index 1fb47779b0f70..bffa83c87c781 100644
--- a/ui-tui/src/__tests__/textInputPassThrough.test.ts
+++ b/ui-tui/src/__tests__/textInputPassThrough.test.ts
@@ -17,7 +17,11 @@ describe('shouldPreserveCtrlJNewline', () => {
     ).toBe(true)
   })
 
-  it('keeps bare local POSIX LF-compatible prompts submitting on Ctrl+J', () => {
+  it('preserves Ctrl+J as newline in VTE terminals like GNOME Console/Terminal', () => {
+    expect(shouldPreserveCtrlJNewline({ TERM: 'xterm-256color', VTE_VERSION: '8400' })).toBe(true)
+  })
+
+  it('keeps bare local POSIX LF-compatible prompts submitting when no terminal fingerprint is available', () => {
     expect(shouldPreserveCtrlJNewline({ TERM: 'xterm-256color' })).toBe(false)
   })
 })
diff --git a/ui-tui/src/components/textInput.tsx b/ui-tui/src/components/textInput.tsx
index deb22914695ba..9da718369138f 100644
--- a/ui-tui/src/components/textInput.tsx
+++ b/ui-tui/src/components/textInput.tsx
@@ -124,6 +124,10 @@ export function applyPrintableInsert(
 export const shouldRouteMultiCharInputAsPaste = (text: string): boolean => text.includes('\n')
 
 export function shouldPreserveCtrlJNewline(env: MinimalEnv = process.env): boolean {
+  if (env.VTE_VERSION) {
+    return true
+  }
+
   if (env.WT_SESSION) {
     return true
   }