TUI: incomplete terminal teardown on exit — mouse tracking, alt-screen, bracketed paste left enabled

Description

When OpenCode TUI exits (via /exit), several terminal features that were enabled at startup are not disabled. This leaves the terminal in a broken state: mouse movements print garbage characters (numbers/escape codes), bracketed paste is stuck on, and the alternate screen buffer may not be properly restored.

The only fix is to manually run reset or close and reopen the terminal window.

Environment

OpenCode version: latest (installed via curl -fsSL https://opencode.ai/install | bash)
OS: Windows 11 + WSL2 (Ubuntu 24.04)
Terminal: Windows Terminal
Shell: bash 5.2

Plugins

@opencode-ai/plugin: "1.17.1" (in .opencode/package.json).

OpenCode version

1.17.6

Steps to reproduce

Run OpenCode in any project: opencode .
Send a message to the agent, wait for a response.
Exit via /exit (not Ctrl+C — clean exit).
Move the mouse in the terminal window — random digits and brackets appear as text input.
To capture raw proof: script -q -c "opencode ." /tmp/oc_capture.log, exit, then xxd /tmp/oc_capture.log | tail -80.

Analysis of raw capture

Enabled at startup (confirmed in hex dump):

\033[?1049h   # alternate screen buffer ON
\033[?1000h   # basic mouse tracking ON
\033[?1002h   # button-event mouse tracking ON
\033[?1003h   # any-event mouse tracking ON
\033[?1006h   # SGR mouse mode ON
\033[?2004h   # bracketed paste ON
\033[?1004h   # focus reporting ON

Disabled on exit (confirmed in hex dump):

\033[?25h     # show cursor
\033[?9001l   # some internal feature off
\033[?1004l   # focus reporting OFF

Missing on exit — the following are never disabled:

\033[?1049l   # alternate screen buffer OFF — MISSING
\033[?1000l   # basic mouse tracking OFF — MISSING
\033[?1002l   # button-event mouse tracking OFF — MISSING
\033[?1003l   # any-event mouse tracking OFF — MISSING
\033[?1006l   # SGR mouse mode OFF — MISSING
\033[?2004l   # bracketed paste OFF — MISSING

Consequence

SGR mouse mode (\033[?1006h) encodes mouse events as \033[<button;column;rowm escape sequences. With tracking still enabled after exit, every mouse movement injects these sequences into the shell input — the numbers and brackets the user sees.

Expected behavior

All terminal features enabled at startup should be explicitly disabled on exit, restoring the terminal to its original state.

Workaround

Add this wrapper function to ~/.bashrc:

oc() {
    opencode "$@"
    stty sane
    printf '\033[?1049l\033[?1000l\033[?1002l\033[?1003l\033[?1006l\033[?2004l\033[?1004l'
    reset
}

Plugins

@opencode-ai/plugin: "1.17.1"

OpenCode version

1.17.6

Steps to reproduce

Run OpenCode in any project: opencode .
Send a message to the agent, wait for a response.
Exit via /exit (not Ctrl+C — clean exit).
Move the mouse in the terminal window — random digits and brackets appear as text input.
To capture raw proof: script -q -c "opencode ." /tmp/oc_capture.log, exit, then xxd /tmp/oc_capture.log | tail -80.

Screenshot and/or share link

Operating System

Windows 11 + WSL2 (Ubuntu 24.04)

Terminal

Windows Terminal

This issue might be a duplicate of existing issues. Please check:

bug: mouse escape sequences garbled after TUI exit #20458: Same root cause — mouse escape sequences garbled after TUI exit due to incomplete terminal teardown in cleanupBeforeDestroy(); includes root cause analysis and upstream fix reference
After closing the OpenCode CLI, scrolling the mouse wheel and moving the mouse in the powershell will cause garbled characters. #11748: Same symptom — garbled characters from mouse movement after closing OpenCode CLI

Confirmed on OpenCode 1.17.6, WSL2 Ubuntu 24.04, Windows Terminal.
Captured via script -q -c "opencode ." /tmp/oc.log and analyzed hex dump.

Features ENABLED at startup but NOT disabled on exit via /exit:

Feature	Enable seq	Disable seq on exit
Alt screen buffer	\033[?1049h	MISSING
Mouse basic	\033[?1000h	MISSING
Mouse button	\033[?1002h	MISSING
Mouse any	\033[?1003h	MISSING
SGR mouse	\033[?1006h	MISSING
Bracketed paste	\033[?2004h	MISSING
Focus reporting	\033[?1004h	OK (\033[?1004l)

Workaround

Add this wrapper function to ~/.bashrc:

oc() {
    opencode "$@"
    stty sane
    printf '\033[?1049l\033[?1000l\033[?1002l\033[?1003l\033[?1006l\033[?2004l\033[?1004l'
    reset
}

Confirmed on OpenCode 1.17.6, WSL2 Ubuntu 24.04, Windows Terminal.
Captured via script -q -c "opencode ." /tmp/oc.log and analyzed hex dump.

Features ENABLED at startup but NOT disabled on exit via /exit:

Feature	Enable seq	Disable seq on exit
Alt screen buffer	\033[?1049h	MISSING
Mouse basic	\033[?1000h	MISSING
Mouse button	\033[?1002h	MISSING
Mouse any	\033[?1003h	MISSING
SGR mouse	\033[?1006h	MISSING
Bracketed paste	\033[?2004h	MISSING
Focus reporting	\033[?1004h	OK (\033[?1004l)

Workaround

Add this wrapper function to ~/.bashrc:

oc() {
    opencode "$@"
    stty sane
    printf '\033[?1049l\033[?1000l\033[?1002l\033[?1003l\033[?1006l\033[?2004l\033[?1004l'
    reset
}

fix(zsh): clean up terminal after opencode TUI exit

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TUI: incomplete terminal teardown on exit — mouse tracking, alt-screen, bracketed paste left enabled #32336

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Operating System

Terminal

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TUI: incomplete terminal teardown on exit — mouse tracking, alt-screen, bracketed paste left enabled #32336

Description

Description

Plugins

OpenCode version

Steps to reproduce

Screenshot and/or share link

Operating System

Terminal

Activity

github-actions commented on Jun 14, 2026

Ko-Valery commented on Jun 14, 2026

Ko-Valery commented on Jun 14, 2026

github-actions commented on Aug 14, 2026

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