Files
deepseek-harness/packages/scaffold/protocol/README.zh.md
T
Tianyi Cui 3fc35c91ff refactor(packages): dissolve ui/ and rename sdk/ to scaffold/
git mv per the regrouping RFC: the five human-collaboration seams and
tui join packages/interaction/, app-boot becomes packages/boot/, and
jsonrpc joins the renamed scaffold/ (formerly sdk/) as its server half
beside client/protocol/create-sdk/helper/scripts/telemetry, whose
folders drop the legacy sdk- prefix. Three new group README triplets
replace the ui/ and sdk/ ones; tsconfig references/paths/globs,
knip keys, vitest globs, gate scripts, catalogs, docs, and the
lockfile follow. Adds the four settled FIXME rename markers
(dsh-sdk-server, dsh-sdk-telemetry, dsh-sdk-helper, dsh-sdk-scripts).

The scaffold folders diverge from their npm names until those renames
land, so tsconfig.base.json maps the three affected names explicitly
beside the group wildcard. Also repairs two pre-existing stale-path
classes the strengthened sweep surfaced: docs/web-styling.md's retired
web-ui host package and type-model spec fixture-literal joins.

app-boot's three Loader-composition specs time out at the default 5s
under full-suite parallel load on this filesystem (pre-existing;
pass isolated with --testTimeout=30000); interaction/scaffold/boot
suites otherwise green (687 passed).
2026-08-09 01:21:12 +08:00

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# @deepseek-ai/dsh-sdk-protocol
[English](README.md) | 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`](../../ui/jsonrpc/README.md) 插件;客户端是 [`dsh-sdk-client`](../sdk-client/README.md)(TypeScript)与 [Python SDK](../../../python/README.md)(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`](../../ui/jsonrpc/README.md) 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-jsonrpc` README](../../ui/jsonrpc/README.md)。
- **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。