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feat(subagent): extract dsh-subagent-process shared out-of-process machinery

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The credential env scrub (SENSITIVE_ENV_PATTERN/buildChildEnv), the
spawn-failure capture (spawnFailure), the child-exit waits
(waitForExit/exitsWithin), and the stdin-EOF -> SIGTERM -> SIGKILL dispose
ladder move out of subagent-acp into a new pure library package (the
subagent-inprocess shape), with the ladder taking its two grace periods as
parameters — defaults stay in the plugin Config. New isolated-config-dir
helpers (mkdtemp create, best-effort remove; a pinned dir is never removed)
land alongside for the CLAUDE_CONFIG_DIR / CODEX_HOME redirection the RFC
names.

The ACP backend migrates onto the library with no semantic change: its suite
passes with import-path edits only. bash-local keeps its sibling copy, per
the RFC's blast-radius call.

RFC: docs/rfc/proposed/feature/2026-07-07-claude-code-and-codex-subagent-backends.md
This commit is contained in:
pku-xht
2026-07-08 15:31:14 +08:00
parent dabc5e6225
commit cdd1ce2ad4
16 changed files with 645 additions and 81 deletions
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5
docs/module-graph.md
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@@ -43,6 +43,7 @@ flowchart TD
pkg_subagent_acp["subagent-acp"]
pkg_subagent_fork["subagent-fork"]
pkg_subagent_inprocess["subagent-inprocess"]
pkg_subagent_process["subagent-process"]
pkg_subagent_spawn["subagent-spawn"]
pkg_tool_subagent["tool-subagent"]
end
@@ -171,6 +172,7 @@ flowchart TD
pkg_subagent_acp --> pkg_agent
pkg_subagent_acp --> pkg_llm
pkg_subagent_acp --> pkg_subagent
pkg_subagent_acp --> pkg_subagent_process
pkg_subagent_inprocess --> pkg_agent
pkg_subagent_inprocess --> pkg_llm
pkg_subagent_inprocess --> pkg_session
@@ -211,6 +213,7 @@ flowchart TD
| Package | Group | Depends on |
| --- | --- | --- |
| [`brand`](../packages/util/brand) | `util` | — |
| [`subagent-process`](../packages/subagent/subagent-process) | `subagent` | — |
| [`acp-snapshot`](../packages/support/acp-snapshot) | `support` | — |
| [`app-boot`](../packages/ui/app-boot) | `ui` | — |
| [`code-runtime`](../packages/code-runtime/code-runtime) | `code-runtime` | — |
@@ -248,7 +251,7 @@ flowchart TD
| [`hooks-codex`](../packages/hooks/hooks-codex) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`tools`](../packages/core/tools) |
| [`acp`](../packages/ui/acp) | `ui` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`session-persistence`](../packages/session-persistence/session-persistence), [`tools`](../packages/core/tools) |
| [`agent-core`](../packages/core/agent-core) | `core` | [`agent`](../packages/core/agent), [`agent-loop`](../packages/core/agent-loop), [`invariants`](../packages/support/invariants), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`system-prompt`](../packages/core/system-prompt), [`tool-bash`](../packages/bash/tool-bash), [`tools`](../packages/core/tools) |
| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent) |
| [`subagent-acp`](../packages/subagent/subagent-acp) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`subagent-process`](../packages/subagent/subagent-process) |
| [`subagent-inprocess`](../packages/subagent/subagent-inprocess) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`system-prompt`](../packages/core/system-prompt), [`tools`](../packages/core/tools) |
| [`tool-subagent`](../packages/subagent/tool-subagent) | `subagent` | [`agent`](../packages/core/agent), [`llm`](../packages/llm/llm), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) |
| [`hooks-claude`](../packages/hooks/hooks-claude) | `hooks` | [`agent`](../packages/core/agent), [`hook-protocol`](../packages/hooks/hook-protocol), [`llm`](../packages/llm/llm), [`session`](../packages/core/session), [`subagent`](../packages/subagent/subagent), [`tools`](../packages/core/tools) |