Function processQueueIfReady

src/utils/queueProcessor.ts:52–87

({
  executeInput,
}: ProcessQueueParams)

 * @returns result with processed status
 */
export function processQueueIfReady({
  executeInput,
}: ProcessQueueParams): ProcessQueueResult {
  // This processor runs on the REPL main thread between turns. Skip anything
  // addressed to a subagent — an unfiltered peek() returning a subagent
  // notification would set targetMode, dequeueAllMatching would find nothing
  // matching that mode with agentId===undefined, and we'd return processed:
  // false with the queue unchanged → the React effect never re-fires and any
  // queued user prompt stalls permanently.
  const isMainThread = (cmd: QueuedCommand) => cmd.agentId === undefined

  const next = peek(isMainThread)
  if (!next) {
    return { processed: false }
  }

  // Slash commands and bash-mode commands are processed individually.
  // Bash commands need per-command error isolation, exit codes, and progress UI.
  if (isSlashCommand(next) || next.mode === 'bash') {
    const cmd = dequeue(isMainThread)!
    void executeInput([cmd])
    return { processed: true }
  }

  // Drain all non-slash-command items with the same mode at once.
  const targetMode = next.mode
  const commands = dequeueAllMatching(
    cmd => isMainThread(cmd) && !isSlashCommand(cmd) && cmd.mode === targetMode,
  )
  if (commands.length === 0) {
    return { processed: false }
  }

  void executeInput(commands)
  return { processed: true }
}

/**
 * Checks if the queue has pending commands.