feat(subagent): make final reports the continuable return contract

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A continuable child could finish without giving its parent a usable
result: the report tool was described as optional and its default
delivery stayed quiet. Install the child-scoped report obligation (tool
description plus the tool:report prompt section), default reportDelivery
to wakeup, bind shipped subagent_fork delegations to one-shot so fork
keeps its prefix reuse, and extend the ACP snapshot harness to pin child
system prompts alongside child tool schemas.

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This commit is contained in:

Hypatia May

2026-08-11 11:50:39 +08:00

parent 6d3cabf295

commit 76cf6cbd0b

79 changed files with 916 additions and 326 deletions

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examples/headless-agent/tests/snapshots/advanced-toolchain/session.1.jsonl

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examples/headless-agent/tests/snapshots/advanced-toolchain/session.2.jsonl

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examples/headless-agent/tests/snapshots/advanced-toolchain/session.jsonl

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examples/headless-agent/tests/snapshots/compaction-recovery/session.jsonl

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examples/headless-agent/tests/snapshots/pty-tools/session.jsonl

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