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deepseek-harness/packages/bash/bash-env/README.zh.md
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2026-08-09 13:15:27 +08:00

3.4 KiB

@deepseek-ai/dsh-bash-env

English | 中文

工具无关的 shell 环境插件:拥有 ctx.bashEnv 注册表,管理受信任的、每次执行收集的 DSH_* 变量,供模型可见的 shell 工具(dsh-tool-bashdsh-tool-pwsh)收集进每次 shell 调用的环境。内置 shell 事实(DSH_HOMEDSH_SHELL=1DSH_SESSION_ID)归注册表自身所有;其他插件可以注册额外的可枚举事实,注册随插件纤维(fiber)释放,重复所有权或未声明的运行时键会响亮失败。

包根导出 Cordis 插件约定(nameinjectConfigapply)以及 BashEnvRegistry 服务类及其 contributor 类型;消费方在加载本插件后使用 ctx.bashEnv

Config

- id: bash-env
  name: '@deepseek-ai/dsh-bash-env'
  config:
    dshHome: C:\Users\me\.dsh   # default: $DSH_HOME, then ~/.dsh

Managed environment

每次前台与后台模型 shell 调用都会收到一份新收集的受信任 DSH_* 环境。DSH_HOME 是由 @deepseek-ai/dsh-paths 解析的 Harness 主目录绝对路径(dshHome 配置,然后环境变量 $DSH_HOME,然后 ~/.dsh),DSH_SHELL=1 标识受管理的子进程。带 agent(智能体)的调用额外收到 DSH_SESSION_ID=agent.session.header.id;当活动的持久化 seam 定位到 JSONL 工件时,它们还会收到 DSH_SESSION_JSONL=<绝对目标路径>。JSONL 路径只是位置提示:首次 flush 之前它可能不存在,也不一定包含当前缓冲中的轮次,并且它不是授权凭据。

ctx.bashEnv 负责收集。其他插件可以注册一个受 effect 作用域约束的 contributor,带有稳定名称、已声明的键/描述以及 resolve(execution: ToolExecution);重复所有权与未声明的运行时键会响亮失败,而 list() 只枚举声明、不执行 provider。Harness 内置键保留 DSH_HOMEDSH_SHELLDSH_SESSION_ID;本插件的持久化翻译器通过读取与后端无关的 sessionPersistence.locate() seam 拥有 DSH_SESSION_JSONL

import type { Context } from 'cordis'
import type {} from '@deepseek-ai/dsh-bash-env'

export const inject = ['bashEnv']

export function apply(ctx: Context): void {
  ctx.bashEnv.register({
    name: 'deployment-region',
    variables: { DSH_DEPLOYMENT_REGION: { description: 'Current deployment region.' } },
    resolve: execution => execution.agent === undefined ? {} : { DSH_DEPLOYMENT_REGION: 'cn-north' },
  })
}

覆盖层根据当前 ToolExecution 计算,并通过专用的 BashExecRequest.dshEnv 通道传递。本地执行器在合并该快照前移除所有继承的 DSH_*,因此嵌套 harness 与并发的父子 agent 无法泄漏过期的身份。process.env 永不被修改。shell 工具的描述只教授通用的 $DSH_* 约定,而不是点名持久化相关的变量或添加常驻的 system-prompt 段落。

Model Experience

Indirectly, through the shell tools (dsh-tool-bash, dsh-tool-pwsh), which collect this registry's managed DSH_* snapshot into every shell-tool call.

KV Cache effect

No direct invalidation; the named consumers own any request-prefix changes.

Known Limitations and Deferred Work

  • list() 只枚举 contributor 声明的变量 — 注册表自有的内置键(DSH_HOMEDSH_SHELLDSH_SESSION_ID)不包含在内,因此诊断、prompt 或 UI 代码不得把 list() 当作完整的环境目录。