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deepseek-harness/examples/acp-agent/tests/snapshots/subagent-continuable/session.1.jsonl
T
Dudu-0223 99a778d63f 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.
2026-08-02 04:34:15 +08:00

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{"type":"session","version":0,"id":"33333333-3333-4333-8333-333333333333","createdAt":1789000001000,"cwd":"{{cwd}}","parentSession":"11111111-1111-4111-8111-111111111111","delegationDepth":1}
{"type":"turn/start","seq":0,"time":1789000000000,"data":{"turn":1,"trigger":{"kind":"message","source":{"kind":"user"}}}}
{"type":"user/message","seq":1,"time":1789000000001,"data":{"content":[{"type":"text","text":"Reply with exactly the word CHILD_OK and nothing else."}],"source":{"kind":"user"},"role":"user","id":"5eabc0cb-6297-4988-92d9-554fb1cfdab7"},"surfaceOp":"append"}
{"type":"session/title","seq":2,"time":1789000000001,"data":{"title":"Reply with exactly the word","messageSeqs":[1],"source":{"kind":"fallback"}}}
{"type":"subagent/descriptor","seq":3,"time":1784795691405,"data":{"version":1,"provider":"spawn","agentProvider":"deepseek-official","agentModel":"deepseek-v4-flash"}}
{"type":"user/message","seq":4,"time":1785517567401,"data":{"content":[{"type":"text","text":"Current runtime context. This snapshot supersedes earlier runtime-context snapshots.\n\nCurrent DSH file policy: danger-full-access. The DSH file sandbox does not restrict file modifications by available operations.\n\nApproval prompts are disabled in this session: actions that require approval are rejected automatically — do not request sandbox escalation (do not set `sandbox_permissions`)."}],"source":{"kind":"plugin","plugin":"@deepseek-ai/dsh-system-prompt"},"role":"user","id":"57bfffb1-f18b-4e29-aaca-26ecaea51574"},"surfaceOp":"append"}
{"type":"step/start","seq":5,"time":1785517567401,"data":{"turn":1,"step":1}}
{"type":"request/header","seq":6,"time":1785517567401,"data":{"header":{"config":{"provider":"deepseek-official","model":"deepseek-v4-flash"},"system":"{{system}}","tools":"{{tools}}"},"reason":"initial"}}
{"type":"request/context","seq":7,"time":1785517567401,"data":{"provider":"deepseek-official","model":"deepseek-v4-flash"}}
{"type":"assistant/chunk","seq":8,"time":1789000000007,"data":{"turn":1,"step":1,"chunk":{"type":"block-start","index":0,"blockType":"text"}}}
{"type":"assistant/chunk","seq":9,"time":1789000000008,"data":{"turn":1,"step":1,"chunk":{"type":"text-delta","index":0,"text":"CHILD_OK"}}}
{"type":"assistant/chunk","seq":10,"time":1784795691405,"data":{"turn":1,"step":1,"chunk":{"type":"block-end","index":0,"block":{"type":"text","text":"CHILD_OK"}}}}
{"type":"assistant/chunk","seq":11,"time":1785517567410,"data":{"turn":1,"step":1,"chunk":{"type":"usage","usage":{"inputTokens":10,"outputTokens":3}}}}
{"type":"assistant/chunk","seq":12,"time":1785517567410,"data":{"turn":1,"step":1,"chunk":{"type":"finish","reason":{"kind":"stop"}}}}
{"type":"assistant/message","seq":13,"time":1785517567410,"data":{"turn":1,"step":1,"message":{"role":"assistant","content":[{"type":"text","text":"CHILD_OK"}],"source":{"kind":"model","provider":"deepseek-official","model":"deepseek-v4-flash"},"id":"156cd267-c1e6-4030-b317-dc2936120f4a"},"usage":{"inputTokens":10,"outputTokens":3}},"sourceEventSeqs":[8,9,10,11,12],"surfaceOp":"append"}
{"type":"step/end","seq":14,"time":1785517567410,"data":{"turn":1,"step":1}}
{"type":"turn/end","seq":15,"time":1785517567411,"data":{"turn":1,"reason":{"kind":"completed"}}}