Function hasProgressMessage

src/tools/AgentTool/UI.tsx:40–46

* Guard: checks if progress data has a `message` field (agent_progress or * skill_progress). Other progress types (e.g. bash_progress forwarded from * sub-agents) lack this field and must be skipped by UI helpers.

(data: Progress)

 * sub-agents) lack this field and must be skipped by UI helpers.
 */
function hasProgressMessage(data: Progress): data is AgentToolProgress {
  if (!('message' in data)) {
    return false;
  }
  const msg = (data as AgentToolProgress).message;
  return msg != null && typeof msg === 'object' && 'type' in msg;
}

/**
 * Check if a progress message is a search/read/REPL operation (tool use or result).