26a117f842
Replace the Task-backed continuation manager with one durable Session plus at
most one process-local Activation — a residency epoch for a reconstructed child
Agent, not a request, result, cancellation, or Task boundary. The manager owns
activation admission, authority, the live ownership graph, cold resume, and
child-first disposal; the Agent inbox is the only turn FIFO.
- startContinuable() is async and returns { childId, messageId } at inbox
acceptance; followup() takes a SubagentAuthority and returns AgentMessageId.
- SubagentProvider.resume?(), SubagentProviderResumeRequest, SubagentRun.steer?(),
SubagentProviderStartRequest and SubagentContinuation are deleted;
prepareContinuable?() is the continuable-creation capability.
- Cold resume calls ctx.agents.resume() from the manager through a private
activation-owner scope, never dispatching through a provider.
- Extract shared child composition, descriptor seeding, depth accounting, and
one-shot run settlement so the manager and one-shot driver keep one home
per fact.
Tests and docs follow in subsequent commits.
76 lines
2.7 KiB
TypeScript
76 lines
2.7 KiB
TypeScript
/**
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* The globally named `send_message` tool: a thin model-facing adapter over
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* `ctx.subagents.followup()`. It performs no lifecycle routing of its own —
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* residency and cold resume belong to the subagent service — and it lives apart
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* from the provider-bound `@deepseek-ai/dsh-tool-subagent` instances so multiple
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* delegation tools share one control tool.
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* @module @deepseek-ai/dsh-tool-subagent-control
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*/
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import type { Context } from 'cordis'
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import { defineTool } from '@deepseek-ai/dsh-tools'
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import type { ContentBlock } from '@deepseek-ai/dsh-llm'
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import { SessionId } from '@deepseek-ai/dsh-session'
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import type {} from '@deepseek-ai/dsh-subagent'
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export const name = 'tool-subagent-control'
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export const inject = ['tools', 'subagents']
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/**
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* Register the `send_message` tool.
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* @param ctx - context carrying the tool registry and subagent service.
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*/
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export function apply(ctx: Context): void {
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ctx.tools.register(defineTool({
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name: 'send_message',
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description:
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'Send a message to a background subagent by its subagent id, continuing the same conversation. It '
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+ 'becomes the subagent\'s next turn: if it is still working, the message waits until its current turn '
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+ 'finishes, so it cannot redirect work already underway. The subagent does not reply to you — read its '
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+ 'transcript by its id to see what it did. A failure means the message was NOT delivered.',
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parameters: {
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subagent_id: {
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type: 'string',
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required: true,
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description: 'The subagent id returned when the background subagent was started.',
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},
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message: {
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type: 'string',
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required: true,
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description: 'The message to deliver to the subagent.',
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},
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},
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output: {
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schema: {
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type: 'object',
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additionalProperties: false,
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properties: {
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messageId: { type: 'string', required: true },
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},
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},
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render: (args, _value) => [{
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type: 'text',
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text: `message queued as the next turn for subagent ${args.subagent_id}`,
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}],
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},
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async execute(args, exec) {
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const parent = exec.agent
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if (!parent) {
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// Parent authority requires an exact live calling agent.
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throw new Error('send_message requires a calling agent (exec.agent was undefined)')
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}
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const message: ContentBlock[] = [{ type: 'text', text: args.message }]
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const messageId = await ctx.subagents.followup(
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{ kind: 'parent', agent: parent },
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SessionId(args.subagent_id),
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message,
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{
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source: { kind: 'coordinator', senderSessionId: parent.id },
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signal: exec.signal,
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},
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)
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return { messageId }
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},
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}))
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}
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