Function findLeafFromMessage

src/renderer/src/services/messagesService.ts:147–154

(
  childrenMap: Map<string | undefined, ChatMessage[]>,
  messageId: string
)

}

function findLeafFromMessage(
  childrenMap: Map<string | undefined, ChatMessage[]>,
  messageId: string
): string {
  const children = childrenMap.get(messageId) ?? []
  if (children.length === 0) return messageId
  return findLeafFromMessage(childrenMap, children[0].id)
}

// ==================== 路径计算 ====================