Function executePersistentHostTurn

tools/claw-launcher-ui/server.mjs:2847–2904

(host, context)

}

async function executePersistentHostTurn(host, context) {
  if (!host?.child || host.child.exitCode !== null || !host.child.stdin) {
    const error = new Error('长驻 REPL 当前不可写入。')
    error.fallbackAllowed = true
    throw error
  }

  host.activeTurn = {
    ...context,
    basePromptCount: host.promptCount,
    baseTranscriptCount: host.syncedTranscriptCount,
    baseToolIds: new Set(host.syncedToolIds),
    stdout: '',
    stderr: '',
    finalized: false,
  }

  host.child.stdin.write(`${context.runnerPrompt}\n`, 'utf8')

  try {
    await waitForCondition(
      () => {
        if (host.activeTurn?.finalized) {
          return true
        }
        if (host.exited) {
          return true
        }
        return host.promptCount > host.activeTurn.basePromptCount
      },
      {
        timeoutMs: 15 * 60 * 1000,
        errorMessage: '长驻 REPL 响应超时。',
      },
    )

    if (!host.activeTurn?.finalized) {
      await finalizePersistentHostTurn(host, { exitCode: 0 })
    }
  } catch (error) {
    if (host.activeTurn?.finalized) {
      return
    }

    host.shuttingDown = true
    try {
      host.child.kill('SIGTERM')
    } catch {
      // ignore
    }

    await finalizePersistentHostTurn(host, {
      exitCode: -1,
      didFail: true,
      rawMessage: error instanceof Error ? error.message : String(error),
    })
  }
}