[Bug]历史上下文污染导致模型重复进入 tool 调用循环

[JIUYUE-SEP]

What happened / 发生了什么

只要对话，会出现长串的system,user,assistant,user,assistant,user循环，会有两大串

Reproduce / 如何复现？

只要对话就会出现，具体复现方式不清楚（

AstrBot version, deployment method (e.g., Windows Docker Desktop deployment), provider used, and messaging platform used. / AstrBot 版本、部署方式（如 Windows Docker Desktop 部署）、使用的提供商、使用的消息平台适配器

debian系统，用git克隆下来启动的，aliyun coding plan，qq的napcat的onebot

OS

Windows

Logs / 报错日志

[2026-03-11 16:50:27.591] [Core] [DBUG] [pipeline.context_utils:95]: hook(OnLLMRequestEvent) -> astrbot - decorate_llm_req
[2026-03-11 16:50:27.591] [Core] [DBUG] [pipeline.context_utils:95]: hook(OnLLMRequestEvent) -> astrbot-web-searcher - edit_web_search_tools
[2026-03-11 16:50:27.597] [Core] [DBUG] [runners.base:64]: Agent state transition: AgentState.IDLE -> AgentState.RUNNING
[2026-03-11 16:50:27.598] [Core] [DBUG] [runners.tool_loop_agent_runner:297]: [BefCompact] RunCtx.messages -> [514] system,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user
[2026-03-11 16:50:27.598] [Core] [DBUG] [runners.tool_loop_agent_runner:297]: [AftCompact] RunCtx.messages -> [514] system,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,user,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,tool,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,user,assistant,tool,assistant,user

Are you willing to submit a PR? / 你愿意提交 PR 吗？

• Yes!

Code of Conduct

• I have read and agree to abide by the project's Code of Conduct。

[whatevertogo]

用的是glm5吗，如果是那是模型的问题，量化过的glm5有时候会循环播放，有无尝试换一个模型试试呢

[JIUYUE-SEP]

不是glm5，用的kimi k2.5，然后系统是debian，忘写了（
api试过阿里的coding plan和硅基流动的，还是有
是可能跟上下文有关吗

[whatevertogo]

开个新会话好了的话可能是模型供应方的问题

[JIUYUE-SEP]

重置解决了，但记忆没了，悲伤(其实有备份文件）

[whatevertogo]

是的我认为是模型方的问题不是我们的问题