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using System.Threading;
using AI.Models;
namespace AI.Service
{
/// <summary>
/// 当前会话上下文，供在 Kernel 工具调用（如知识库插件）中获取当前 ChatSession，以便将结果写入 Store。
/// 由 KernelService 在 AskAsync/AskStreamAsync 开始时设置，结束时清空。
/// </summary>
public static class CurrentSessionContext
private static readonly AsyncLocal<ChatSession?> _current = new();
/// 当前正在处理的聊天会话（仅在 LLM 调用链内有效）。
public static ChatSession? Current
get => _current.Value;
set => _current.Value = value;
}