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# Conflicts: # docs/config-catalog.md # docs/event-producer-consumer.md # docs/rfc/implemented/feature/2026-07-05-dynamic-workflows.md # examples/acp-agent/tests/acp.snapshot.ts # packages/code-runtime/code-runtime-worker/tests/built-lib.e2e.ts # packages/code-runtime/code-runtime-worker/tsdown.config.ts
24 lines
1.9 KiB
Markdown
24 lines
1.9 KiB
Markdown
# @deepseek-ai/dsh-jsonrpc
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Stdio JSON-RPC plugin for out-of-process SDK clients such as Python `deepseek_harness`. [`HarnessSdkServer`](src/server.ts) handles `initialize` → `session/prompt` → `shutdown` plus session and subagent notifications over [`JsonRpcLineTransport`](src/transport.ts). This package owns the protocol; [`jsonrpc-agent`](../jsonrpc-agent/README.md) boots the external `cordis.yml` that chooses the surrounding runtime. See the [single-executable RFC](../../../docs/rfc/implemented/architecture/2026-07-10-single-file-executable-sdk-runtime-distribution.md) for the distribution design.
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## Wiring
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`inject: ['agents']`. The server gets or creates one agent per `sessionId` on `session/prompt` and demuxes `subagent/end` through the registry. If `initialize.model` lacks a registered adapter, it mounts `dsh-llm-deepseek` using `$DEEPSEEK_API_KEY` and `$DEEPSEEK_BASE_URL`; a config-registered adapter wins. Persistence, tools, and other adapters come from the surrounding `cordis.yml`.
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## Config
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No `cordis.yml` keys. `JsonRpcConfig.input`, `output`, and `exit` are test-only runtime seams; production uses process stdio and `process.exit`.
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## stdout is the protocol
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stdout carries only JSON-RPC frames. The loading config must omit stdout loggers; diagnostics go to stderr.
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## Shutdown and exit semantics
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A `shutdown` request flushes its response, disposes the plugin fiber, then exits 0. Disposal idempotently shuts down every SDK-created agent to quiescence, detaches subscriptions, and closes the transport. Bare fiber disposal only stops serving; it does not exit. The app bin owns root disposal for stdin EOF (0), SIGTERM (0), and SIGINT (130).
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## Wire notes
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`initialize.serverInfo.name` is the wire-stable `deepseek-harness-sdk-runtime`. Each session permits one in-flight prompt; overlap fails immediately, other sessions remain independent, and the session is reusable after settlement. Persistence roots and deployment persona remain in `cordis.yml`.
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