Function getNextBranchIndex

src/renderer/src/services/messagesService.ts:129–133

(messages: ChatMessage[], parentId: string | undefined)

}

export function getNextBranchIndex(messages: ChatMessage[], parentId: string | undefined): number {
  const children = getChildMessages(messages, parentId)
  if (children.length === 0) return 0
  return Math.max(...children.map((c) => c.branchIndex ?? 0)) + 1
}

export async function switchBranch(pageId: string, messageId: string): Promise<void> {
  const record = stores.message.get(pageId)