Function shouldSkipMessage

src/utils/collapseReadSearch.ts:407–424

* Check if a message should be skipped (not break the group, just passed through). * This includes thinking blocks, redacted thinking, attachments, etc.

(msg: RenderableMessage)

 * This includes thinking blocks, redacted thinking, attachments, etc.
 */
function shouldSkipMessage(msg: RenderableMessage): boolean {
  if (msg.type === 'assistant') {
    const content = getFirstContentItem(msg.message?.content)
    // Skip thinking blocks and other non-text, non-tool content
    if (content && (content.type === 'thinking' || content.type === 'redacted_thinking')) {
      return true
    }
  }
  // Skip attachment messages
  if (msg.type === 'attachment') {
    return true
  }
  // Skip system messages
  if (msg.type === 'system') {
    return true
  }
  return false
}

/**
 * Type predicate: Check if a message is a collapsible tool use.