mirror of
https://github.com/deepseek-ai/deepseek-harness
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54 lines
2.2 KiB
TypeScript
54 lines
2.2 KiB
TypeScript
/**
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* The in-process SPAWN subagent backend: registers a {@link SubagentProvider} on
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* `ctx.subagents` that runs each child as a fresh child {@link Agent} on the same cordis
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* context (its own session, own system prompt, zero parent context). The cheapest transport,
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* reusing the agent factory's quiescent teardown.
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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 child factory already provides it during setup,
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// and adding it here would unnecessarily change this provider's apply timing.
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export const inject = ['subagents']
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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) {}
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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(request, {})
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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))
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}
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