Function executeToolWithWatchdog

apps/sim/lib/copilot/request/tools/executor.ts:266–292

* Execute a tool with a hard settlement guarantee. If the handler neither * resolves nor rejects within the tool's watchdog cap, throw a timeout error * so the standard failure path (persist failed row, publish terminal * confirmation, resume Go with an error result) runs and the chat never * we

(toolCall: ToolCallState, execContext: ExecutionContext)

 * eventual settlement is ignored.
 */
async function executeToolWithWatchdog(toolCall: ToolCallState, execContext: ExecutionContext) {
  const timeoutMs = toolWatchdogTimeoutMs(toolCall.name)
  // Thread the invoking subagent's channel id per call (execContext is shared
  // across the whole turn, so the channel id can't live on it) — server tools
  // use it to scope the workspace_file -> edit_content intent handoff.
  const toolContext = toolCall.parentToolCallId
    ? { ...execContext, parentToolCallId: toolCall.parentToolCallId }
    : execContext
  const execution = executeTool(toolCall.name, toolCall.params || {}, toolContext)
  let timer: ReturnType<typeof setTimeout> | undefined
  try {
    return await Promise.race([
      execution,
      new Promise<never>((_, reject) => {
        timer = setTimeout(
          () => reject(new ToolExecutionTimeoutError(toolCall.name, timeoutMs)),
          timeoutMs
        )
      }),
    ])
  } finally {
    if (timer) clearTimeout(timer)
    // Swallow the abandoned promise's eventual rejection so it can't surface
    // as an unhandled rejection after a watchdog loss.
    execution.catch(() => {})
  }
}

/**
 * Last-resort settlement for a tool whose promise never settled (a hang the