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dsh-llm-stepfun

v0.1.0

Published

StepFun (阶跃星辰) model access for DeepSeek Harness: registers the stepfun provider with the Step Plan model catalog (step-5-preview, step-3.7-flash, step-3.5-flash, stepaudio-2.5-chat), reasoning efforts, image input, tool calls, and prompt cache, with a lo

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dsh-llm-stepfun

English | 中文

dsh-llm-stepfun 为 DeepSeek Harness 接入阶跃星辰(StepFun)模型。注册 stepfun provider 路由,基于 OpenAI 兼容的 Chat Completions 适配器,默认指向 Step Plan 端点,并附带登录小圆球与设置卡片。

功能

  • stepfun provider 路由 —— SSE 流式、工具调用、结构化推理块(reasoning_content)、经 DSH 附件服务的图片输入(base64 data URL)、提示缓存感知的 usage 映射、重试策略与流式空闲看门狗。
  • Step Plan 模型目录(可在设置中覆盖):
    • step-5-preview —— 旗舰基模,1M 上下文,图片+视频输入,档位 low/medium/high(默认 high)
    • step-3.7-flash —— 旗舰多模态推理,256K 上下文,图片+视频输入(默认 medium)
    • step-3.5-flash —— 旗舰语言推理,256K 上下文(默认 medium)
    • step-3.5-flash-2603 —— Agent 优化版,档位 low/high(默认 low)
    • stepaudio-2.5-chat —— 文本模态语音对话;插件自动固定 modalities: ["text"](档位 low/high)
  • Web 客户端 —— 输入框旁的登录小圆球 + 对话框(粘贴密钥、Plan/按量端点一键切换、退出登录),以及 Plugins 设置卡片,含调试日志开关(不开/摘要/完整)与一键打开日志文件夹。
  • 中英双语 UI,跟随 DSH Web 语言设置。
  • docs/model-features.zh.md —— 模型规格、定价,以及下游集成参考(含本插件未接入的 TTS/ASR/Realtime 模型,QQ 机器人类项目可直接参考)。

安装

dsh plugin --profile web add dsh-llm-stepfun

或从 tarball / GitHub Release 安装:

dsh plugin --profile web add ./dsh-llm-stepfun-<version>.tgz

安装后需重启 dsh web(插件在启动时组装)。

使用

  1. 点击输入框旁的小圆球(或打开 设置 → Plugins → StepFun),粘贴 Step API key 并登录。密钥仅写入本机凭据库,引用名 STEPFUN_API_KEY。
  2. 在模型选择器中选择 stepfun 模型。默认端点为 Step Plan 订阅路由 https://api.stepfun.com/step_plan/v1;若使用标准按量计费,在对话框/卡片中切换到 https://api.stepfun.com/v1。
  3. 推理强度可在模型选择器中按模型选择(档位见 docs/model-features.zh.md 的分模型表格)。

配置(settings.yaml)

llm-stepfun:
  baseURL: https://api.stepfun.com/step_plan/v1
  apiKeyEnv: STEPFUN_API_KEY
  maxTokens: 64000            # 未知模型的每请求输出上限兜底
  defaultContextWindow: 256000
  streamIdleTimeoutMs: 300000
  logLevel: off               # off | summary | full
  # models: [...]             # 可选:覆盖内置模型目录;字段说明见 docs/model-features.zh.md

开发

pnpm install
pnpm build     # tsc(host 半区)+ esbuild 转换(client bundle)
pnpm test      # 31 个单元测试,覆盖模型目录 / 请求序列化 / SSE 翻译
pnpm pack      # 产出可安装的 tarball

源码结构:src/catalog.ts(模型数据与默认值)、src/serialize.ts(线上请求)、src/translate.ts(SSE → 流事件)、src/index.ts(Host 适配器 + settings)、src/client.ts(Web bundle)、docs/(模型参考)。

发布与收录

许可证

MIT