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openclaw/qa/scenarios/agents/subagent-handoff.md

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+# Subagent handoff
+
+```yaml qa-scenario
+id: subagent-handoff
+title: Subagent handoff
+surface: subagents
+coverage:
+  primary:
+    - agents.subagents
+objective: Verify the agent can delegate a bounded task to a subagent and fold the result back into the main thread.
+successCriteria:
+  - Agent launches a bounded subagent task.
+  - Subagent result is acknowledged in the main flow.
+  - Final answer attributes delegated work clearly.
+docsRefs:
+  - docs/tools/subagents.md
+  - docs/help/testing.md
+codeRefs:
+  - src/agents/system-prompt.ts
+  - extensions/qa-lab/src/report.ts
+execution:
+  kind: flow
+  summary: Verify the agent can delegate a bounded task to a subagent and fold the result back into the main thread.
+  config:
+    prompt: "Delegate one bounded QA task to a subagent. Wait for the subagent to finish. Then reply with three labeled sections exactly once: Delegated task, Result, Evidence. Include the child result itself, not 'waiting'."
+```
+
+```yaml qa-flow
+steps:
+  - name: delegates a bounded task and reports the result
+    actions:
+      - call: reset
+      - call: runAgentPrompt
+        args:
+          - ref: env
+          - sessionKey: agent:qa:subagent
+            message:
+              expr: config.prompt
+            timeoutMs:
+              expr: liveTurnTimeoutMs(env, 90000)
+      - call: waitForCondition
+        saveAs: outbound
+        args:
+          - lambda:
+              expr: "state.getSnapshot().messages.filter((candidate) => candidate.direction === 'outbound' && candidate.conversation.id === 'qa-operator' && (() => { const lower = normalizeLowercaseStringOrEmpty(candidate.text); return lower.includes('delegated task') && lower.includes('result') && lower.includes('evidence') && !lower.includes('waiting'); })()).at(-1)"
+          - expr: liveTurnTimeoutMs(env, 45000)
+          - expr: "env.providerMode === 'mock-openai' ? 100 : 250"
+      - assert:
+          expr: "!['failed to delegate','could not delegate','subagent unavailable'].some((needle) => normalizeLowercaseStringOrEmpty(outbound.text).includes(needle))"
+          message:
+            expr: "`subagent handoff reported failure: ${outbound.text}`"
+      # Parity gate criterion 2 (no fake progress / fake tool completion):
+      # require an actual sessions_spawn tool call. Without this, a model
+      # could produce the three labeled sections ("Delegated task", "Result",
+      # "Evidence") as free-form prose without ever delegating to a real
+      # subagent. The assertion is pinned to THIS scenario by matching the
+      # scenario-unique prompt substring "Delegate one bounded QA task"
+      # (not a broad /delegate|subagent/ regex) so the earlier
+      # subagent-fanout-synthesis scenario — which also contains "delegate"
+      # and produces its own pre-tool sessions_spawn request — cannot
+      # satisfy the assertion here. The match is also constrained to
+      # pre-tool requests (no toolOutput) because the mock only plans
+      # sessions_spawn on requests with no toolOutput; the follow-up
+      # request after the tool runs has plannedToolName unset.
+      - set: subagentDebugRequests
+        value:
+          expr: "env.mock ? [...(await fetchJson(`${env.mock.baseUrl}/debug/requests`))] : []"
+      - assert:
+          expr: "!env.mock || subagentDebugRequests.some((request) => !request.toolOutput && /delegate one bounded qa task/i.test(String(request.allInputText ?? '')) && request.plannedToolName === 'sessions_spawn')"
+          message:
+            expr: "`expected sessions_spawn tool call during subagent handoff scenario, saw plannedToolNames=${JSON.stringify(subagentDebugRequests.map((request) => request.plannedToolName ?? null))}`"
+    detailsExpr: outbound.text
+```