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packages/sdk/sdk-client/README.zh.md # packages/sdk/sdk-protocol/README.i18n.yaml # packages/session-persistence/session-persistence/README.i18n.yaml # packages/session-persistence/session-persistence/README.zh.md # packages/skill/tool-skill/README.i18n.yaml # packages/subagent/subagent-dsh-sdk/README.i18n.yaml # packages/subagent/subagent-inprocess/README.i18n.yaml # packages/subagent/subagent-inprocess/README.zh.md # packages/ui/jsonrpc/README.i18n.yaml
3.7 KiB
@deepseek-ai/dsh-sdk-protocol
English | 中文
DeepSeek Harness SDK 运行时的共享协议格式(wire format):一个按换行分帧的 JSON-RPC 2.0 传输类,加上协议两端共同使用的具名请求、结果与通知类型。包根枚举协议消费方接口;源模块不支持深层导入。服务端是 dsh-jsonrpc 插件;客户端是 dsh-sdk-client(TypeScript)与 Python SDK(后者复现这些结构但不导入它们)。纯库——无插件、无 Config、无注册。
传输
JsonRpcLineTransport 在调用方持有的字节流上为 JSON-RPC 2.0 分帧,每行一个紧凑 JSON 帧、以 \n 结尾。带 id 与 method 的帧是请求,仅 id 是响应,仅 method 是通知;非法 JSON 行被忽略。start() 挂接流监听器,close() 移除监听器并拒绝挂起请求,但不销毁流。缺失请求处理器时应答 -32601;处理器返回的 Promise 被拒绝时,则应答携带错误消息的 -32603。错误响应会以 JsonRpcResponseError 拒绝挂起的 request() Promise,并保留协议格式中的 code 与可选 data。JsonRpcTransportPeer 是服务器类据以进行类型声明的出站接口(request/notify)。
协议类型
types.ts 为 HarnessSdkServer 所服务协议的每个载荷命名:
| 方向 | 方法 | 类型 |
|---|---|---|
| client→server | initialize |
InitializeParams → InitializeResult |
| client→server | session/prompt |
SessionPromptParams → SessionPromptResult(持久入队回执) |
| client→server | shutdown |
无参数 → {} |
| server→client | session.event |
SessionEventNotification(运行时内每个会话,不过滤) |
| server→client | session.status |
SessionStatusNotification(整个 agent(智能体)的 running/idle 转换) |
| server→client | subagent.started |
SubagentStartedNotification |
| server→client | subagent.finished |
SubagentFinishedNotification(仅进程内运行) |
HarnessSdkRequestMap 与 HarnessSdkNotificationMap 按方法名索引这些类型。SessionPromptResult.messageId 标识已排队的 UserMessage;它不标识后续的助手消息、轮次结束或提示词结果。客户端根据自己对活动区间的所有权,组合持续开放的 session.event 流与 agent 级的 session.status。InitializeParams.maxTokens 是可选的正的安全整数,用于限制 SDK 创建的 agent 及其进程内后代的每次对话模型输出;省略时会应用所选适配器的确切模型默认值,否则提供方行为保持不变。通知载荷类型依赖 SessionEvent(dsh-session)、ContentBlock(dsh-llm)与 SubagentStopReason(dsh-subagent)——协议以完整会话日志封套进行流式传输,因此会话词汇是协议格式契约的一部分。serverInfo.name 的协议值固定为 deepseek-harness-sdk-runtime。
模型体验
无,因为此包定义面向客户端的协议格式;模型可见接口属于组合在对外服务入口 dsh-jsonrpc 后方的运行时插件。
KV Cache 影响
无;此包既不组装也不发送提供方请求。
已知限制与暂缓事项
- 无协议版本协商——握手只携带
serverInfo.version(0.0.1,客户端不校验);处于预发布阶段,无兼容承诺。 - 无取消与会话关闭方法——客户端放弃轮次的方式是关闭运行时进程;见
dsh-jsonrpcREADME。 - server→client 请求是未使用的功能——传输层支持,但服务器从不发送;Python SDK 的应答接口为未来审批流程预留。