Yichen Jiang
5c7dd6f8eb
`Config.roots` defaulted to `[]`, so a deployment that did not patch both roots in got a roster with none — `dsh run` once booted exactly that and failed resolving `standard`. The user root never needed an app: `<dshHome>/.agent-presets` is the same place in every deployment, resolvable here the way `dsh-skill-local` resolves `<dshHome>/skills`. The roster now derives that root itself unless `includeUserRoot` is false, and `apps/cli` supplies only the SHIPPED root, whose path an installed app alone can resolve. The derived root is appended after every configured root, so a shipped id still shadows a home directory claiming it and `writableRoot()` still prefers an explicitly configured `user` root; the set is resolved once at construction, because a root set that changed between a `list()` and the `copy()` acting on its answer would author into a directory the caller never saw. Every test that pins an exact roster now says `includeUserRoot: false` — the machine's real harness home must not decide what a golden or an assertion counts.
subagent/ — subagent capability family
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This family lets an agent delegate work to child agents. Multiple named providers may coexist in one context.
| Package | Role | ctx key |
|---|---|---|
subagent/ |
Defines provider registration, delegation, and continuation | ctx.subagents |
subagent-inprocess/ |
Provides the shared in-process run driver | — |
subagent-spawn/ |
Starts a fresh in-process child | registers on ctx.subagents |
subagent-fork/ |
Starts an in-process child from the parent's completed history | registers on ctx.subagents |
subagent-acp/ |
Starts an out-of-process child over ACP | registers on ctx.subagents |
subagent-codex/ |
Starts a real Codex app-server child | registers on ctx.subagents |
subagent-claude-code/ |
Starts a real Claude Code child through the official Claude Agent SDK | registers on ctx.subagents |
subagent-dsh-sdk/ |
Starts an out-of-process Harness child through the TypeScript SDK | registers on ctx.subagents |
tool-subagent/ |
Exposes delegation to the model | registers on ctx.tools |
tool-subagent-control/ |
Exposes child messaging and listing to the model | registers on ctx.tools |
tool-subagent-report/ |
Provides the child-to-parent report channel | registers in child scopes |
See the decisions for the capability family, continuable children, and control tools.
The subsystem reference — start requests, results, live runs, the provider contract, continuable background children — is docs/subsystems/subagent.md; design rationale in the subagent capability seam, continuable background subagents, and merged subagent control service Agent Notes.