Function hasVisibleAssistantContent

src/utils/sessionStorage.ts:2430–2443

* Checks if an assistant message has visible text content (not just tool_use blocks). * Tool uses are displayed as grouped/collapsed UI elements, not as standalone messages.

(message: TranscriptMessage)

 * Tool uses are displayed as grouped/collapsed UI elements, not as standalone messages.
 */
function hasVisibleAssistantContent(message: TranscriptMessage): boolean {
  if (message.type !== 'assistant') return false

  const content = message.message?.content
  if (!content || !Array.isArray(content)) return false

  // Check for text block (not just tool_use/thinking blocks)
  return content.some(
    block =>
      block.type === 'text' &&
      typeof block.text === 'string' &&
      block.text.trim().length > 0,
  )
}

/**
 * Counts visible messages that would appear as conversation turns in the UI.