feat(subagent): continuable background subagents
Implement the continuable background subagents RFC: a durable child session with a series of Task-backed activations, each disposing its run before the Task settles. - dsh-subagent: rename SubagentRun.sendMessage to strict steer, drop run-level resume, add SubagentProvider.resume dispatch via SubagentService.resume, the continuation start field, and the versioned model-hidden subagent/descriptor session event. - dsh-subagent-inprocess/-spawn/-fork: publish the control-allocated child id, append the descriptor inside the initial turn, implement cold resume from the child's own transcript under the live parent scope, and strict running-only steer. - dsh-subagent-control (new): SubagentControlService owning stable child ids, descriptor snapshot/fold/authorization, Task-backed activation with settle-then-dispose ordering, the process-local active-run association, and steer-or-resume sendMessage routing. - dsh-tool-subagent: background route branches on the provider's resume capability (continuable via the control service; one-shot task for ACP), returning both child and task ids. - dsh-tool-subagent-control (new): the globally named send_message tool rendering steered/started routes. Keyless coverage spans Task ownership and disposal ordering, running delivery, cold follow-up, descriptor rejection and rollback, known-id reconstruction, kill during lookup, admission races, and a new subagent-continuable ACP snapshot scenario.
This commit is contained in:
Dudu-0223
@@ -159,6 +159,27 @@
|
||||
]
|
||||
}
|
||||
},
|
||||
{
|
||||
"name": "send_message",
|
||||
"description": "Send a follow-up message to a background subagent by its subagent id. If it is still working, the message joins its current task; if it has finished, this starts a new task that continues the same subagent conversation. Either way the response arrives through the returned task id — collect it with `task_output`. A failure means the message was NOT delivered.",
|
||||
"parameters": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
"subagent_id": {
|
||||
"type": "string",
|
||||
"description": "The subagent id returned when the background subagent was started."
|
||||
},
|
||||
"message": {
|
||||
"type": "string",
|
||||
"description": "The message to deliver to the subagent."
|
||||
}
|
||||
},
|
||||
"required": [
|
||||
"subagent_id",
|
||||
"message"
|
||||
]
|
||||
}
|
||||
},
|
||||
{
|
||||
"name": "skill",
|
||||
"description": "Load the full instructions for an available skill. Call this with the exact skill name from the session skill catalog before acting on a task that names or clearly matches that skill.",
|
||||
@@ -177,7 +198,7 @@
|
||||
},
|
||||
{
|
||||
"name": "subagent",
|
||||
"description": "Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.",
|
||||
"description": "Delegate a self-contained task to a subagent (a separate agent that works in its own context) and return its final result. Use this to offload focused, independent work — research, a scoped implementation, an analysis — so it does not consume this conversation's context. The subagent runs to completion and you receive only its final answer, not its intermediate steps. Give it a complete, standalone prompt: it does not see this conversation. Set `run_in_background: true` to start a continuable background subagent: you receive its subagent id and a task id; collect the result with `task_output`, stop it with `task_kill`, and send follow-up messages with `send_message`.",
|
||||
"parameters": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
@@ -191,7 +212,7 @@
|
||||
},
|
||||
"run_in_background": {
|
||||
"type": "boolean",
|
||||
"description": "Run as a background task and return its id; collect with task_output or stop with task_kill."
|
||||
"description": "Run as a continuable background subagent and return its subagent and task ids; collect with task_output, stop with task_kill, follow up with send_message."
|
||||
}
|
||||
},
|
||||
"required": [
|
||||
@@ -202,7 +223,7 @@
|
||||
},
|
||||
{
|
||||
"name": "subagent_fork",
|
||||
"description": "Delegate a task to a subagent that inherits this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. Set `run_in_background: true` to return a task id; collect with `task_output` and stop with `task_kill`.",
|
||||
"description": "Delegate a task to a subagent that inherits this conversation: a child agent seeded with all completed turns so far (it does not see the current in-flight turn), returning only its final result. Use this when the subtask builds on this conversation's context — a follow-up analysis, a review, a continuation — without consuming this conversation's context for the work itself. You receive only its final answer, not its intermediate steps. Set `run_in_background: true` to start a continuable background subagent: you receive its subagent id and a task id; collect the result with `task_output`, stop it with `task_kill`, and send follow-up messages with `send_message`.",
|
||||
"parameters": {
|
||||
"type": "object",
|
||||
"properties": {
|
||||
@@ -216,7 +237,7 @@
|
||||
},
|
||||
"run_in_background": {
|
||||
"type": "boolean",
|
||||
"description": "Run as a background task and return its id; collect with task_output or stop with task_kill."
|
||||
"description": "Run as a continuable background subagent and return its subagent and task ids; collect with task_output, stop with task_kill, follow up with send_message."
|
||||
}
|
||||
},
|
||||
"required": [
|
||||
|
||||
Reference in New Issue
Block a user