From cad7944b929174afd99d0ad6134e7bdef2218645 Mon Sep 17 00:00:00 2001
From: Brooklyn Nicholson <brooklyn.bb.nicholson@gmail.com>
Date: Thu, 30 Apr 2026 12:05:15 -0500
Subject: [PATCH] fix(tui): reset extended keyboard modes

---
 cli.py                                     | 2 ++
 ui-tui/src/__tests__/terminalModes.test.ts | 2 ++
 ui-tui/src/lib/terminalModes.ts            | 2 ++
 3 files changed, 6 insertions(+)

diff --git a/cli.py b/cli.py
index d5deded931..651824608a 100644
--- a/cli.py
+++ b/cli.py
@@ -1556,6 +1556,8 @@ _TERMINAL_INPUT_MODE_RESET_SEQ = (
     "\x1b[?1004l"  # disable focus events
     "\x1b[?2004l"  # disable bracketed paste
     "\x1b[?1049l"  # leave alt screen (if stuck there)
+    "\x1b[<u"      # pop kitty keyboard mode
+    "\x1b[>4m"     # reset modifyOtherKeys
     "\x1b[0m"      # reset text attributes
     "\x1b[?25h"    # ensure cursor visible
 )
diff --git a/ui-tui/src/__tests__/terminalModes.test.ts b/ui-tui/src/__tests__/terminalModes.test.ts
index 3eacdba55f..38ad8fe6a2 100644
--- a/ui-tui/src/__tests__/terminalModes.test.ts
+++ b/ui-tui/src/__tests__/terminalModes.test.ts
@@ -11,6 +11,8 @@ describe('terminal mode reset', () => {
     expect(TERMINAL_MODE_RESET).toContain('\x1b[?1004l')
     expect(TERMINAL_MODE_RESET).toContain('\x1b[?2004l')
     expect(TERMINAL_MODE_RESET).toContain('\x1b[?1049l')
+    expect(TERMINAL_MODE_RESET).toContain('\x1b[<u')
+    expect(TERMINAL_MODE_RESET).toContain('\x1b[>4m')
   })
 
   it('writes reset sequence to TTY streams without fds', () => {
diff --git a/ui-tui/src/lib/terminalModes.ts b/ui-tui/src/lib/terminalModes.ts
index bf60b667e4..7add599892 100644
--- a/ui-tui/src/lib/terminalModes.ts
+++ b/ui-tui/src/lib/terminalModes.ts
@@ -8,6 +8,8 @@ export const TERMINAL_MODE_RESET =
   '\x1b[?1004l' + // focus events
   '\x1b[?2004l' + // bracketed paste
   '\x1b[?1049l' + // alternate screen
+  '\x1b[<u' + // kitty keyboard
+  '\x1b[>4m' + // modifyOtherKeys
   '\x1b[0m' + // attributes
   '\x1b[?25h' // cursor visible