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https://github.com/deepseek-ai/deepseek-harness
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45a5175e44
Implements the turndown Agent Note from the NIH dependency audit (full variant, not the minimal entities-only fallback): dsh-tool-web's fetch rendering now converts HTML through turndown + @joplin/turndown-plugin-gfm (atx headings, fenced code, dash bullets, GFM tables/strikethrough) over the real domino DOM, with script/style/noscript removed wholesale. The hand-rolled ~86-line regex converter html.ts and its entity tables are deleted; renderBody wraps the conversion in try/catch falling back to the raw HTML body, because turndown's recursive DOM walk overflows with a RangeError on pathological nesting (measured: 4k levels on the main thread, 8k in a worker) where the regex version could never throw. Closure weight, measured: tool-web IS in the single-exe runtime closure, and the exe asset globs would pack ~7.9 MB of the three new packages — but ~6 MB of that is domino's test corpus, with runtime lib/ at ~550 KB against a ~174 MB artifact (<0.5% either way), so the swap wins. Per testing policy the previously-missing keyless web_fetch snapshot ships in the same change: the acp-agent `web-fetch` scenario boots a new web.cordis.yml overlay (web seam + real dsh-web-fetch-local provider + tool-web fetch-only + a loopback HTTP fixture server on a fixed port serving deterministic HTML with entities, a GFM table, and nesting), so recording and keyless replay both drive the real HTTP fetch and real conversion end to end; the scenario pins the new `web` header class. The Agent Note moves proposed -> implemented and is rewritten per the lifecycle contract (Decision/Consequences/Testing, closure verdict and alternatives recorded); tool-web and acp-agent READMEs updated in both languages and pairs re-recorded.
31 lines
3.1 KiB
Markdown
31 lines
3.1 KiB
Markdown
# acp-agent example
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English | [中文](README.zh.md)
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Automation-oriented [Agent Client Protocol](https://agentclientprotocol.com) server over JSON-RPC stdio. It is intended for parent agents, subagent providers, and other programmatic clients, not as the product UI.
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```sh
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pnpm run demo:acp # needs DEEPSEEK_API_KEY (repo-root .env or env)
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pnpm run demo:code-mode acp # same protocol with the Code Mode tool transport
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```
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The leaf loads the ACP app, DeepSeek adapter, sandboxed bash and filesystem stacks, one-shot approval policy, compaction, subagents, workflows, hooks, a derived session-query index, and repeat guard. The app creates one fresh agent per `session/new`, persists sessions to JSONL, and keeps stdout protocol-pure. [`session-query.cordis.yml`](session-query.cordis.yml) explicitly opts into the workspace-authorized query tools and generic timeout/spill policies for their dedicated snapshot; [`fs.cordis.yml`](fs.cordis.yml) adds spill storage for filesystem scenarios, [`code-mode.cordis.yml`](code-mode.cordis.yml) adds `run_code` and its generated TypeScript SDK, and [`web.cordis.yml`](web.cordis.yml) adds the web seam, the local fetch provider, `web_fetch`, and a loopback HTML fixture server for the web-fetch snapshot.
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## Protocol channel
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Stdout carries only newline-delimited ACP JSON-RPC. `@deepseek-ai/dsh-acp-demo` installs no stdout logger; leaf additions must use stderr for diagnostics.
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The automation contract — supported methods, baseline prompt content, committed-text output, and the intentionally absent UI surfaces — lives in [`@deepseek-ai/dsh-acp`](../../packages/acp/acp/README.md).
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## Session workspaces and permissions
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Each `session/new` supplies an absolute `cwd`. Sandboxed bash and filesystem mutations resolve `workspace-write` against that session cwd, so concurrent sessions can use separate project roots; platform temporary roots remain shared writable scratch space ([sandbox contract](../../packages/sandbox/sandbox/README.md)). `DSH_PERMISSION_MODE` selects `workspace-write` or `danger-full-access` for deployment and tests.
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Under `workspace-write`, a model retry requesting wider sandbox access triggers `session/request_permission` with `allow_once` and `reject_once`. The client decides programmatically; dismissal or an unavailable answer fails closed. The selected outcome applies only to that retry and is recorded through the normal tool-result/audit path. The server never exposes a permission picker or persists client policy.
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## Snapshot tests
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This example owns the ACP snapshot suite. It boots the real automation server, replays committed model streams through `dsh-llm-replay`, and compares both normalized protocol output and re-persisted session logs. Recording uses the real model; refresh reuses committed replay input. Overrides cover throw/hang behavior, and optional `workspace/` fixtures seed world-state checks.
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Most scenarios pin backend behavior rather than ACP-specific behavior; the [automation-only ACP decision](../../.agents/notes/implemented/simplification/2026-07-23-acp-automation-only-protocol.md#snapshot-boundary) owns why that coverage remains transport-coupled.
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