fix(qa): restore Buzz canary selection (#124200)

* oc-2f4: fix Buzz QA scenario selection

* oc-2f4: align canary catalog contract

extensions/qa-lab/src/live-transports/shared/scenario-selection.test.ts

@@ -156,6 +156,23 @@ describe("live transport QA scenario selection", () => {
     },
   );
 
+  it.each([
+    {
+      channelId: "buzz",
+      scenarioIds: ["channel-canary", "channel-mention-gating"],
+    },
+    { channelId: "msteams", scenarioIds: ["channel-canary"] },
+  ])("keeps the $channelId plugin defaults eligible", ({ channelId, scenarioIds }) => {
+    expect(
+      resolveCatalogLiveTransportQaScenarioIds({
+        ...MOCK_LANE,
+        channelId,
+        channelDriver: "live",
+        scenarioIds,
+      }),
+    ).toEqual(scenarioIds);
+  });
+
   it("rejects the shared channel canary on unsupported Discord drivers", () => {
     expect(() =>
       resolveCatalogLiveTransportQaScenarioIds({
@@ -165,7 +182,7 @@ describe("live transport QA scenario selection", () => {
         scenarioIds: ["channel-canary"],
       }),
     ).toThrow(
-      "selected QA scenario(s) do not match the current QA lane: channel-canary (channel=qa-channel|telegram)",
+      "selected QA scenario(s) do not match the current QA lane: channel-canary (channel=qa-channel|telegram|buzz|msteams)",
     );
   });
 });

extensions/qa-lab/src/scenario-catalog-channels.test.ts

@@ -230,10 +230,10 @@ describe("qa scenario catalog channel contracts", () => {
     expect(scenario.gatewayConfigPatch).not.toHaveProperty("channels.telegram.groups");
   });
 
-  it("keeps the shared channel canary eligible for QA Channel and Telegram", () => {
+  it("keeps the shared channel canary eligible for its supported channels", () => {
     const scenario = requireFlowScenario(readQaScenarioById("channel-canary"));
 
-    expect(scenario.execution.channels).toEqual(["qa-channel", "telegram"]);
+    expect(scenario.execution.channels).toEqual(["qa-channel", "telegram", "buzz", "msteams"]);
   });
 
   it("keeps transcript-role delivery on the Crabline driver", () => {

qa/scenarios/channels/channel-canary.yaml

@@ -24,6 +24,8 @@ scenario:
     channels:
       - qa-channel
       - telegram
+      - buzz
+      - msteams
     summary: Run the shared channel canary through QA Channel, Crabline, or a live adapter.
     transportPolicy:
       requireGroupMention: true