Langfuse observability for DeepSeek Harness (DSH): per-turn trace trees aggregated by session id, with prompt versioning and evaluation.
Install
# from npm (prebuilt)
dsh plugin --profile web add dsh-langfuse-plus
# from GitHub (first run asks for allowBuilds approval — follow the hint, retry)
dsh plugin --profile web add github:FlySnailY/dsh-langfuse-plus
Any plugin you install runs third-party code with your own permissions — it can read your files, use your credentials, and reach the network, and tool approvals don’t sandbox it. GitHub-sourced plugins also run build scripts at install time — pnpm blocks those until you allow them, so an install can stop with ERR_PNPM_GIT_DEP_PREPARE_NOT_ALLOWED or ERR_PNPM_IGNORED_BUILDS; dsh prints the exact key to add under allowBuilds in your profile’s pnpm-workspace.yaml, and the install works on the next run. Allowing a build is a trust decision: only install sources you trust, and pin a commit (github:owner/repo#sha).
README
This plugin publishes its README in Chinese only.
DSH（DeepSeek Harness）的 Langfuse 可观测性插件：会话轮次映射为 Langfuse trace 树（同会话经 session id 聚合），提供 Prompt 版本管理与评测能力。
- 零 DSH 源码修改，基于官方 telemetry seam
- turn/step/tool/generation/event 全映射，含 token 用量
- system prompt 与 Langfuse 版本化双向同步
/feedback自动上报 score、/dataset一键建评测数据集- DSH 侧栏一键跳转 Langfuse
安装
export DSH_LANGFUSE_PUBLIC_KEY=lf_pk_...
export DSH_LANGFUSE_SECRET_KEY=lf_sk_...
# npm 安装
dsh plugin --profile web add dsh-langfuse-plus
# 或本地目录安装（开发）
dsh plugin --profile web add ./dsh-langfuse-plus
配置项（实例地址 / 环境标签 / Prompt 同步等）见 .env.example，均可用环境变量覆盖。自托管 Langfuse 编排见 docker-compose.langfuse.yml。
需 DSH ≥ 0.1.0-rc.6（rc.8 已验证兼容）与 Langfuse ≥ v4。
限制
- 未挂脱敏规则时，会话数据原样透传至 Langfuse（脱敏需自行挂
session-telemetry/record监听器） - 成本由 Langfuse 按模型价格表计算（Settings → Model Definitions 配置 DeepSeek 价格后显示），插件不上报价格
- 进程被 SIGKILL（未走 shutdown 兜底）时，内存中最后一批 span 可能丢失
许可证
Links
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