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fix(tui): recover from stuck paste mode

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Prevent unterminated bracketed paste input from swallowing future keystrokes, and avoid rendering an empty Thinking panel before reasoning arrives.
This commit is contained in:
Brooklyn Nicholson 2026-04-28 22:06:27 -05:00
parent cd7150a195
commit afb20a1d67
4 changed files with 65 additions and 15 deletions
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24
ui-tui/packages/hermes-ink/src/ink/components/App.tsx
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@ -1,4 +1,4 @@
import React, { PureComponent, type ReactNode } from 'react'
import { PureComponent, type ReactNode } from 'react'
import { updateLastInteractionTime } from '../../bootstrap/state.js'
import { logForDebugging } from '../../utils/debug.js'
@ -11,13 +11,13 @@ import { InputEvent } from '../events/input-event.js'
import { TerminalFocusEvent } from '../events/terminal-focus-event.js'
import {
INITIAL_STATE,
parseMultipleKeypresses,
type ParsedInput,
type ParsedKey,
type ParsedMouse,
parseMultipleKeypresses
type ParsedMouse
} from '../parse-keypress.js'
import reconciler from '../reconciler.js'
import { finishSelection, hasSelection, type SelectionState, startSelection } from '../selection.js'
import { finishSelection, hasSelection, startSelection, type SelectionState } from '../selection.js'
import { getTerminalFocused, setTerminalFocused } from '../terminal-focus-state.js'
import { TerminalQuerier, xtversion } from '../terminal-querier.js'
import { isXtermJs, setXtversionName, supportsExtendedKeys } from '../terminal.js'
@ -316,8 +316,10 @@ export default class App extends PureComponent<Props, State> {
// Clear the timer reference
this.incompleteEscapeTimer = null
// Only proceed if we have incomplete sequences
if (!this.keyParseState.incomplete) {
// Only proceed if we have an incomplete escape sequence or an unterminated
// bracketed paste. Missing paste-end markers otherwise leave every later
// keystroke trapped in the paste buffer.
if (!this.keyParseState.incomplete && this.keyParseState.mode !== 'IN_PASTE') {
return
}
@ -335,8 +337,8 @@ export default class App extends PureComponent<Props, State> {
return
}
// Process incomplete as a flush operation (input=null)
// This reuses all existing parsing logic
// Process incomplete/paste state as a flush operation (input=null).
// This reuses all existing parsing logic.
this.processInput(null)
}
@ -355,8 +357,10 @@ export default class App extends PureComponent<Props, State> {
reconciler.discreteUpdates(processKeysInBatch, this, keys, undefined, undefined)
}
// If we have incomplete escape sequences, set a timer to flush them
if (this.keyParseState.incomplete) {
// If we have incomplete escape sequences or an unterminated paste, set a
// timer to flush/reset them. Paste starts are complete CSI sequences, so
// checking only `incomplete` would never arm the watchdog.
if (this.keyParseState.incomplete || this.keyParseState.mode === 'IN_PASTE') {
// Cancel any existing timer first
if (this.incompleteEscapeTimer) {
clearTimeout(this.incompleteEscapeTimer)