Function isBlockExpanded

cli/src/utils/collapse-helpers.ts:42–47

* Checks if a collapsible block is explicitly expanded. * Thinking blocks use thinkingCollapseState; others use isCollapsed.

(block: CollapsibleBlock)

 * Thinking blocks use thinkingCollapseState; others use isCollapsed.
 */
function isBlockExpanded(block: CollapsibleBlock): boolean {
  if (isThinkingTextBlock(block)) {
    return block.thinkingCollapseState === 'expanded'
  }
  return block.isCollapsed === false
}

/**
 * Gets the current collapsed state of a block.