Tianyi Cui
e68496fd79
The snapshot tier was built single-session: dsh-llm-replay served calls from one global positional cursor, and the harness harvested one session log. A subagent runs as a second agent with its own session, so a parent→child scenario could neither replay deterministically nor harvest the child's log. This resolves the TODO(subagent-snapshots) deferral from the subagent RFC. - Stamp the calling session id onto the model request: GenerateOptions.sessionId (typed Branded<'SessionId'> to avoid the dsh-llm↔dsh-session cycle), set by the agent loop from agent.session.id. Adapters ignore it; an llm/stream listener routes by it. - Key replay per session: dsh-llm-replay loads the parent log plus one per child (childFiles / $DSH_SNAPSHOT_CHILD_FILES), derives a script per recorded session, and binds each live (freshly-random) session to a recorded script by first-call order — parent first (earliest createdAt, first to stream). Keys by WHO calls, so it survives a future concurrent/backgrounded subagent; a global cursor would not. An unrecorded extra session fails loud. - Harvest every log: the harness collects all .jsonl across cwd buckets, ordered primary-first (top-level, then children by createdAt), and RunResult exposes the plural sessionLogs. The spec writes each back on record (session.jsonl + session.<n>.jsonl) and diffs each against its fixture on replay. - Wire the subagent seam + spawn + fork + tool into the acp-agent example (both cordis configs) and add two nested scenarios recorded against the real API: subagent-spawn (parent + 1 child) and subagent-multi (parent + 2 children, 3 sessions). Both replay keyless in the default gate. A new RFC documents the design (docs/rfc/implemented/testing/). Single-session replay is unchanged (a call with no sessionId is one anonymous primary session). TODO follow-up: a dedicated branded-ids package could own the SessionId brand and dissolve the cross-package cycle note; out of scope for this testing PR.
8 lines
349 B
JSON
8 lines
349 B
JSON
{
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"steps": [
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{ "op": "initialize" },
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{ "op": "newSession" },
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{ "op": "prompt", "text": "Use the subagent tool exactly once to delegate this subtask to a child agent: 'Reply with exactly the word CHILD_OK and nothing else.' After the subagent returns, reply with the single word PARENT_DONE and stop. Do not use the bash tool." }
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]
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}
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