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fix: patch release event leaks (#463)

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Co-authored-by: Letta <noreply@letta.com>
This commit is contained in:
Charles Packer
2026-01-04 19:19:34 -08:00
committed by GitHub
parent 1894a290d4
commit 36dcb891b0
2 changed files with 13 additions and 31 deletions
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11
src/cli/utils/kittyProtocolDetector.ts
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@@ -137,10 +137,13 @@ export function isKittyProtocolEnabled(): boolean {
function enableKittyKeyboardProtocol() {
try {
// Enable keyboard progressive enhancement flags.
// Use 7 (=1|2|4): DISAMBIGUATE_ESCAPE_CODES | REPORT_EVENT_TYPES | REPORT_ALTERNATE_KEYS
// This matches what crossterm-based TUIs (e.g., codex) request.
fs.writeSync(process.stdout.fd, "\x1b[>7u");
// Enable keyboard progressive enhancement with flag 1 (DISAMBIGUATE_ESCAPE_CODES) only.
// Previously used flag 7 (1|2|4) but flag 2 (REPORT_EVENT_TYPES) causes release events
// that leak into input when typing fast in iTerm2/Kitty/etc.
// Flag 4 (REPORT_ALTERNATE_KEYS) provides data we don't use.
// Gemini CLI uses flag 1 only - this is the proven approach.
// See: .notes/csi-u-release-events-fix.md for full analysis.
fs.writeSync(process.stdout.fd, "\x1b[>1u");
kittyEnabled = true;
} catch {
// Ignore errors