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fix(terminal): clear screen before daemon restore to prevent duplicated output (#853)

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Jinwoo Hong 2026-04-19 22:56:30 -04:00 committed by GitHub
parent 8dcb234d22
commit ac39899e90
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1 changed files with 11 additions and 3 deletions
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14
src/renderer/src/components/terminal-pane/pty-connection.ts
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@ -372,13 +372,21 @@ export function connectPanePty(
}
if (connectResult?.coldRestore) {
// Why: restoreScrollbackBuffers() already wrote the saved xterm
// buffer before this rAF ran. The cold-restore scrollback from
// disk history overlaps with that content. Without clearing first,
// the terminal shows duplicated output.
pane.terminal.write('\x1b[2J\x1b[3J\x1b[H')
pane.terminal.write(connectResult.coldRestore.scrollback)
pane.terminal.write('\r\n\x1b[2m--- session restored ---\x1b[0m\r\n\r\n')
window.api.pty.ackColdRestore(ptyId!)
} else if (connectResult?.snapshot) {
if (!connectResult.isAlternateScreen) {
pane.terminal.write('\x1b[2J\x1b[3J\x1b[H')
}
// Why: always clear before writing the daemon snapshot to prevent
// duplication with the scrollback that restoreScrollbackBuffers()
// wrote earlier. The alt-screen case previously skipped this,
// leaving stale scrollback in the normal buffer that reappeared
// when the user exited the TUI (e.g. Claude Code).
pane.terminal.write('\x1b[2J\x1b[3J\x1b[H')
pane.terminal.write(connectResult.snapshot)
}