From 764bb310f70504206333c8aa75d1c11bae0a60c2 Mon Sep 17 00:00:00 2001
From: Peter Steinberger <steipete@gmail.com>
Date: Wed, 22 Apr 2026 05:19:25 +0100
Subject: [PATCH] ci: pin qa parity tool profile

---
 .../src/providers/mock-openai/server.test.ts  | 79 ++++++++++++++++++-
 .../src/providers/mock-openai/server.ts       | 10 +--
 .../qa-lab/src/qa-gateway-config.test.ts      |  1 +
 extensions/qa-lab/src/qa-gateway-config.ts    |  6 ++
 4 files changed, 89 insertions(+), 7 deletions(-)

diff --git a/extensions/qa-lab/src/providers/mock-openai/server.test.ts b/extensions/qa-lab/src/providers/mock-openai/server.test.ts
index 55264701dc0..719bbd29742 100644
--- a/extensions/qa-lab/src/providers/mock-openai/server.test.ts
+++ b/extensions/qa-lab/src/providers/mock-openai/server.test.ts
@@ -1015,7 +1015,84 @@ describe("qa mock openai server", () => {
         {
           content: [
             {
-              text: "Protocol note: delegated fanout complete. Alpha=ALPHA-OK. Beta=BETA-OK.",
+              text: "subagent-1: ok\nsubagent-2: ok",
+            },
+          ],
+        },
+      ],
+    });
+  });
+
+  it("completes subagent fanout from a continuation turn without tool output", async () => {
+    const server = await startQaMockOpenAiServer({
+      host: "127.0.0.1",
+      port: 0,
+    });
+    cleanups.push(async () => {
+      await server.stop();
+    });
+
+    const prompt =
+      "Subagent fanout synthesis check: delegate two bounded subagents sequentially, then report both results together.";
+    const spawn = await fetch(`${server.baseUrl}/v1/responses`, {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({
+        stream: true,
+        tools: [SESSIONS_SPAWN_TOOL],
+        input: [{ role: "user", content: [{ type: "input_text", text: prompt }] }],
+      }),
+    });
+    expect(spawn.status).toBe(200);
+    expect(await spawn.text()).toContain('\\"label\\":\\"qa-fanout-alpha\\"');
+
+    const secondSpawn = await fetch(`${server.baseUrl}/v1/responses`, {
+      method: "POST",
+      headers: { "content-type": "application/json" },
+      body: JSON.stringify({
+        stream: true,
+        tools: [SESSIONS_SPAWN_TOOL],
+        input: [
+          { role: "user", content: [{ type: "input_text", text: prompt }] },
+          {
+            type: "function_call_output",
+            output:
+              '{"status":"accepted","childSessionKey":"agent:qa:subagent:alpha","note":"ALPHA-OK"}',
+          },
+        ],
+      }),
+    });
+    expect(secondSpawn.status).toBe(200);
+    expect(await secondSpawn.text()).toContain('\\"label\\":\\"qa-fanout-beta\\"');
+
+    const phaseOnlyFinal = await fetch(`${server.baseUrl}/v1/responses`, {
+      method: "POST",
+      headers: {
+        "content-type": "application/json",
+      },
+      body: JSON.stringify({
+        stream: false,
+        tools: [SESSIONS_SPAWN_TOOL],
+        input: [
+          {
+            role: "user",
+            content: [
+              {
+                type: "input_text",
+                text: "Continue.",
+              },
+            ],
+          },
+        ],
+      }),
+    });
+    expect(phaseOnlyFinal.status).toBe(200);
+    expect(await phaseOnlyFinal.json()).toMatchObject({
+      output: [
+        {
+          content: [
+            {
+              text: "subagent-1: ok\nsubagent-2: ok",
             },
           ],
         },
diff --git a/extensions/qa-lab/src/providers/mock-openai/server.ts b/extensions/qa-lab/src/providers/mock-openai/server.ts
index a8363b46a8e..d81d27792fb 100644
--- a/extensions/qa-lab/src/providers/mock-openai/server.ts
+++ b/extensions/qa-lab/src/providers/mock-openai/server.ts
@@ -745,12 +745,10 @@ function buildAssistantText(
   if (/fanout worker beta/i.test(prompt)) {
     return "BETA-OK";
   }
-  if (
-    /subagent fanout synthesis check/i.test(prompt) &&
-    toolOutput &&
-    scenarioState.subagentFanoutPhase >= 2
-  ) {
-    return "Protocol note: delegated fanout complete. Alpha=ALPHA-OK. Beta=BETA-OK.";
+  const fanoutCompleteReply = "subagent-1: ok\nsubagent-2: ok";
+  if (scenarioState.subagentFanoutPhase === 2 && prompt) {
+    scenarioState.subagentFanoutPhase = 3;
+    return fanoutCompleteReply;
   }
   if (toolOutput && (/\bdelegate\b/i.test(prompt) || /subagent handoff/i.test(prompt))) {
     const compact = toolOutput.replace(/\s+/g, " ").trim() || "no delegated output";
diff --git a/extensions/qa-lab/src/qa-gateway-config.test.ts b/extensions/qa-lab/src/qa-gateway-config.test.ts
index 20100c36a42..8fd928fdf0c 100644
--- a/extensions/qa-lab/src/qa-gateway-config.test.ts
+++ b/extensions/qa-lab/src/qa-gateway-config.test.ts
@@ -63,6 +63,7 @@ describe("buildQaGatewayConfig", () => {
     expect(cfg.plugins?.entries?.["qa-channel"]).toEqual({ enabled: true });
     expect(cfg.plugins?.entries?.openai).toBeUndefined();
     expect(cfg.gateway?.reload?.deferralTimeoutMs).toBe(1_000);
+    expect(cfg.tools?.profile).toBe("coding");
     expect(cfg.channels?.["qa-channel"]).toMatchObject({
       enabled: true,
       baseUrl: "http://127.0.0.1:43124",
diff --git a/extensions/qa-lab/src/qa-gateway-config.ts b/extensions/qa-lab/src/qa-gateway-config.ts
index 360fdb136ef..f1cf799ddb8 100644
--- a/extensions/qa-lab/src/qa-gateway-config.ts
+++ b/extensions/qa-lab/src/qa-gateway-config.ts
@@ -180,6 +180,12 @@ export function buildQaGatewayConfig(params: {
     memory: {
       backend: "builtin",
     },
+    tools: {
+      // The parity scenarios are code-agent contracts: they must always expose
+      // file, image, memory, and subagent tools even when the surrounding
+      // environment defaults to a messaging-only profile.
+      profile: "coding",
+    },
     ...(gatewayModels
       ? {
           models: {