Method getActivePathRows

packages/node-runtime/src/ai/chats.ts:416–436

(aiChatId: string, leafMessageId?: string | null)

  }

  private getActivePathRows(aiChatId: string, leafMessageId?: string | null): AIMessageRow[] {
    if (leafMessageId === null) return []

    const allRows = this.getAllMessageRows(aiChatId)
    if (allRows.length === 0) return []

    const rowMap = new Map(allRows.map((row) => [row.id, row]))
    let currentId = leafMessageId ?? this.getActiveMessageId(aiChatId)
    const path: AIMessageRow[] = []
    const seen = new Set<string>()

    while (currentId && !seen.has(currentId)) {
      seen.add(currentId)
      const row = rowMap.get(currentId)
      if (!row) break
      path.push(row)
      currentId = row.parentId
    }

    return path.length > 0 ? path.reverse() : allRows
  }

  // ==================== 生命周期 ====================