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feat(subagent): persona + toolFilter become real; structured runtime collapses to scoped registrations

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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).
This commit is contained in:
Tianyi Cui
2026-07-09 02:10:06 +08:00
parent 67cb9a591d
commit 15f4d1cd03
15 changed files with 398 additions and 475 deletions
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14
packages/subagent/tool-subagent/tests/tool-subagent.spec.ts
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@@ -111,7 +111,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'weird',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: () => ({
id: AgentId('weird-child'),
@@ -137,7 +137,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'capture',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: (request) => {
seen = request
@@ -167,7 +167,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'bare',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: (request) => {
seen = request
@@ -297,7 +297,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'spy',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: () => ({
id: AgentId('spy-child'),
@@ -320,7 +320,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'spy',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: () => ({
id: AgentId('spy-child'),
@@ -344,7 +344,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'spy',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: () => {
let resolveResult: (r: { output: never[]; stopReason: 'aborted' }) => void
@@ -391,7 +391,7 @@ describe('dsh-tool-subagent', () => {
await ctx.plugin(SubagentService)
ctx.subagents.registerProvider({
name: 'spy',
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false },
capabilities: { outputSchema: false, depthLimit: false, toolFilter: false, persona: false },
inheritsParentContext: false,
start: () => {
let resolveResult: (r: { output: never[]; stopReason: 'aborted' }) => void