test: use canonical workspace API fixtures

frontend/src/shell/NewSessionDialog.test.tsx

@@ -4,6 +4,7 @@ import userEvent from "@testing-library/user-event";
 import { http, HttpResponse } from "msw";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { server } from "../test/msw";
+import { canonicalWorkspaceFixture, workspaceRevisionFixture } from "../test/workspace-fixtures";
 import { NewSessionDialog } from "./NewSessionDialog";
 
 function renderDialog() {
@@ -39,7 +40,8 @@ test("submitting includes browser-local migrated preferences and calls onCreated
       revision: { state: "operational" },
     }])),
     http.get("/api/workspaces/default", () => HttpResponse.json({
-      workspace: { llm_policy: { default: "zai/glm-5.2", allowed: ["zai/glm-5.2"] } },
+      workspace: canonicalWorkspaceFixture("default", ["zai/glm-5.2"], "zai/glm-5.2"),
+      revision: workspaceRevisionFixture("default"),
     })),
     http.post("/api/sessions", async ({ request }) => {
       body = await request.json();
@@ -82,7 +84,7 @@ test("first-run direct dialog creation waits for registry policy without a mount
       policyRequestStarted = true;
       await policyMayFinish;
       return HttpResponse.json({
-        workspace: { llm_policy: { default: "zai/glm-5.2", allowed: ["zai/glm-5.2"] } }, revision,
+        workspace: canonicalWorkspaceFixture("psd-clinical", ["zai/glm-5.2"], "zai/glm-5.2"), revision,
       });
     }),
     http.post("/api/sessions", async ({ request }) => {