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https://github.com/deepseek-ai/deepseek-harness
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f393043b03
The first OUT-OF-PROCESS subagent backend, proving the seam generalizes past the in-process backends. @deepseek-ai/dsh-subagent-acp runs each child agent in a spawned subprocess, driven over the Agent Client Protocol as the CLIENT — the direction-inverted twin of the dsh-acp server bridge. Point the configured command at the acp-agent example and the harness talks to its own process. - Fresh process per run: start spawns, runs one ACP session (initialize → newSession → prompt), dispose kills the subprocess and awaits its exit. - Minimal client stub: advertises no fs/terminal; accumulates agent_message_chunk text as the result output; auto-answers session/request_permission by a configured policy (reject default / allow). No start-time capabilities (an out-of-process child can't enforce the parent's depth/tool-filter); ignores request.parent; injects only `subagents`. - StopReason mapping (end_turn→completed, cancelled→aborted, …); result resolves error/aborted on a child failure, never rejects (seam contract). - Security: credential-shaped ambient env vars are scrubbed; the child's own key is forwarded only via explicit config.env. A spawn-level error (ENOENT) is captured and raced against the ACP drive so a bad command settles error rather than crashing the parent. Testing designed at every tier: keyless integration drives a scripted mock ACP server subprocess (cancellation incl. the pre-newSession race and a torn-pipe-after-cancel, permission auto-answer, non-message updates, spawn failure, HMR, export shape) at 100% coverage; a with-key e2e drives the REAL acp-agent example process (PONG + real file write, verified on disk) — the harness driving itself. Snapshot coverage of an ACP child is deferred as TODO(acp-subagent-replay) (each child is its own process with its own replay). Stayed on @agentclientprotocol/sdk 0.25.1: the proposed 0.28.x bump only deprecates the stable ClientSideConnection/AgentSideConnection API this layer uses (33 sites incl. the server bridge), turning no-deprecated red across code this PR shouldn't rewrite — that fluent-API migration is its own follow-up. The backend needs nothing 0.28.x adds. This completes the subagent seam stack (PR1 interface → PR2 in-process → PR2.5 snapshot infra → PR3 ACP); the seam RFC moves to implemented/, amended.
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3.8 KiB
Module dependency graph
Inter-package dependencies among the @deepseek-ai/dsh-* harness packages, derived from each package's peerDependencies (the canonical runtime-dependency signal). An edge a --> b means package a depends on package b. Names have the @deepseek-ai/dsh- prefix stripped.
graph TD
bash --> brand
llm --> brand
bash-local --> bash
llm-deepseek --> llm
llm-pi-ai --> llm
session --> brand
session --> llm
system-prompt --> llm
agent --> brand
agent --> llm
agent --> session
llm-replay --> llm
llm-replay --> session
session-persistence --> session
invariants --> agent
invariants --> llm
invariants --> session
session-persistence-jsonl --> session
session-persistence-jsonl --> session-persistence
session-persistence-sqlite --> session
session-persistence-sqlite --> session-persistence
tools --> agent
tools --> llm
tools --> system-prompt
ui-stdio --> agent
ui-stdio --> llm
ui-stdio --> session
acp --> agent
acp --> llm
acp --> session
acp --> session-persistence
acp --> tools
agent-loop --> agent
agent-loop --> llm
agent-loop --> session
agent-loop --> session-persistence
agent-loop --> system-prompt
agent-loop --> tools
subagent --> agent
subagent --> llm
subagent --> tools
tool-bash --> agent
tool-bash --> bash
tool-bash --> llm
tool-bash --> tools
agent-core --> agent
agent-core --> agent-loop
agent-core --> invariants
agent-core --> llm
agent-core --> session
agent-core --> system-prompt
agent-core --> tool-bash
agent-core --> tools
subagent-acp --> agent
subagent-acp --> llm
subagent-acp --> subagent
subagent-mock --> agent
subagent-mock --> llm
subagent-mock --> subagent
subagent-spawn --> agent
subagent-spawn --> llm
subagent-spawn --> session
subagent-spawn --> subagent
tool-subagent --> agent
tool-subagent --> llm
tool-subagent --> subagent
tool-subagent --> tools
acp-agent --> acp
acp-agent --> agent-core
acp-agent --> session-persistence-jsonl
stdio-agent --> agent
stdio-agent --> agent-core
stdio-agent --> session
stdio-agent --> session-persistence-jsonl
stdio-agent --> ui-stdio
subagent-fork --> agent
subagent-fork --> session
subagent-fork --> subagent
subagent-fork --> subagent-spawn
| Package | Depends on |
|---|---|
brand |
— |
bash |
brand |
llm |
brand |
bash-local |
bash |
llm-deepseek |
llm |
llm-pi-ai |
llm |
session |
brand, llm |
system-prompt |
llm |
agent |
brand, llm, session |
llm-replay |
llm, session |
session-persistence |
session |
invariants |
agent, llm, session |
session-persistence-jsonl |
session, session-persistence |
session-persistence-sqlite |
session, session-persistence |
tools |
agent, llm, system-prompt |
ui-stdio |
agent, llm, session |
acp |
agent, llm, session, session-persistence, tools |
agent-loop |
agent, llm, session, session-persistence, system-prompt, tools |
subagent |
agent, llm, tools |
tool-bash |
agent, bash, llm, tools |
agent-core |
agent, agent-loop, invariants, llm, session, system-prompt, tool-bash, tools |
subagent-acp |
agent, llm, subagent |
subagent-mock |
agent, llm, subagent |
subagent-spawn |
agent, llm, session, subagent |
tool-subagent |
agent, llm, subagent, tools |
acp-agent |
acp, agent-core, session-persistence-jsonl |
stdio-agent |
agent, agent-core, session, session-persistence-jsonl, ui-stdio |
subagent-fork |
agent, session, subagent, subagent-spawn |