Function isCollapsibleBlock

cli/src/utils/collapse-helpers.ts:28–36

* Checks if a content block is collapsible. * Collapsible blocks are: thinking blocks (text with thinkingId), agent, tool, and agent-list blocks.

(block: ContentBlock)

 * Collapsible blocks are: thinking blocks (text with thinkingId), agent, tool, and agent-list blocks.
 */
function isCollapsibleBlock(block: ContentBlock): block is CollapsibleBlock {
  if (block.type === 'text' && 'thinkingId' in block && block.thinkingId) {
    return true
  }
  if (block.type === 'agent' || block.type === 'tool' || block.type === 'agent-list') {
    return true
  }
  return false
}

/**
 * Checks if a collapsible block is explicitly expanded.