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https://github.com/deepseek-ai/deepseek-harness
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15f4d1cd03
SubagentStartRequest gains persona (capability-gated like toolFilter); the
in-process driver composes the child's scoped world in the factory's setup
window — persona as a scoped shadowing deployment:persona section,
toolFilter as a scoped tools.restrict() (loud unknown-name validation),
outputSchema as the scoped structured runtime. spawn/fork now advertise
every start-time capability; ACP stays all-false. A parent-scope teardown
effect links each child to its parent through the memoized handle, so a
disposed parent reaches its whole subtree even if the delegating tool's
finally never runs; subagent/start|end dispatch in the delegating parent's
scope.
structured.ts loses the placeholder schema, the final-assembly swap/strip,
the refcounted root runtime, and the WeakMap state: each child registers
its OWN capture tool (real schema), instruction section, and enforcement
listeners on child.ctx, riding the child's fiber. The commit listener is
call-keyed (a stale stage from a short-circuited post-execute chain is
dropped, never promoted on a later call), and one scoped prepend re-assert
listener preserves the final-assembly guarantee against a stripping global
listener.
tool-subagent gains persona/toolFilter/maxDepth passthrough config —
deny-listing the delegation tool (or maxDepth) is how a deployment bounds
recursion; the omitted-toolFilter schema key is forced absent (a
materialized {} would mean an empty allow-list, i.e. deny-everything).
70 lines
3.1 KiB
TypeScript
70 lines
3.1 KiB
TypeScript
/**
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* The in-process SPAWN subagent backend: registers a {@link SubagentProvider}
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* on `ctx.subagents` that runs each child as a FRESH child {@link Agent} on the
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* same cordis context (its own session, own system prompt, zero parent
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* context). The cheapest transport, reusing the agent factory's quiescent
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* teardown.
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*
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* The run mechanics live in `@deepseek-ai/dsh-subagent-inprocess`
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* ({@link startInProcessRun}); this backend just passes NO seed (a fresh
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* child). The fork backend is an independent peer over the same driver.
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*
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* Structured output (`outputSchema`) is supported via the driver's shared
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* structured runtime: the backend acquires it for its plugin lifetime (so the
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* capture tool and request-shaping listeners exist before any run), and each
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* structured run holds its own acquisition until it settles.
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*
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* Plugin export shape: named `name`/`inject`/`Config`/`apply`, NO default.
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*
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* @module @deepseek-ai/dsh-subagent-spawn
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*/
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import type { Context } from 'cordis'
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import z from 'schemastery'
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import type { SubagentCapabilities, SubagentProvider, SubagentStartRequest } from '@deepseek-ai/dsh-subagent'
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import { startInProcessRun } from '@deepseek-ai/dsh-subagent-inprocess'
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export const name = 'subagent-spawn'
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// `tools` is deliberately NOT injected: the shared driver's structured runtime
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// (acquired per structured RUN, not at apply) gates its own capture-tool
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// registration on `tools` availability, so this backend's apply timing — and
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// with it the provider-mirroring delegation tool's position in the
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// model-visible tool list — stays what it was before structured output existed.
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export const inject = ['subagents', 'agents']
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/** Config: the registry name to register the provider under. */
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export interface Config {
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/** Provider name on `ctx.subagents` (default `spawn`). */
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providerName: string
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}
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export const Config: z<Config> = z.object({
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providerName: z.string().default('spawn'),
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})
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/**
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* The spawn provider. Supports every start-time capability: `depthLimit` (it
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* constructs the child, so it can enforce a recursion cap), `outputSchema`
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* (the scoped structured runtime), and `toolFilter`/`persona` (scoped
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* `restrict()` and a scoped shadowing persona section, applied in the child's
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* creation window).
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*/
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class SpawnProvider implements SubagentProvider {
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readonly capabilities: SubagentCapabilities = { outputSchema: true, depthLimit: true, toolFilter: true, persona: true }
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// Context contract: a spawned child starts fresh — it never sees the parent conversation.
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readonly inheritsParentContext = false
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constructor(readonly name: string, private readonly ctx: Context) {}
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start(request: SubagentStartRequest) {
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// Fresh child: no seed. The shared driver mints ids, stamps cwd/lineage/
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// depth, drives the one-shot (including the structured capture when the
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// request carries an outputSchema), and maps the result.
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return startInProcessRun(this.ctx, request, { providerName: this.name })
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}
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}
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export function apply(ctx: Context, config: Config): void {
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ctx.subagents.registerProvider(new SpawnProvider(config.providerName, ctx))
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}
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