refactor: remove legacy workspace UI state

frontend/src/shell/NewSessionDialog.test.tsx

@@ -36,8 +36,8 @@ test("submitting includes browser-local migrated preferences and calls onCreated
       workspace: "default", provider: "zai", model: "glm-5.2", thinking: "low",
     })),
     http.get("/api/workspaces", () => HttpResponse.json([{
-      id: "default", name: "default", file: "default.yaml", displayName: "Default",
-      revision: { state: "operational" },
+      id: "default", name: "default", file: "default.yaml", displayName: "Default", language: "en",
+      revision: workspaceRevisionFixture("default"),
     }])),
     http.get("/api/workspaces/default", () => HttpResponse.json({
       workspace: canonicalWorkspaceFixture("default", ["zai/glm-5.2"], "zai/glm-5.2"),
@@ -67,7 +67,7 @@ test("first-run direct dialog creation waits for registry policy without a mount
   let policyRequestStarted = false;
   const policyMayFinish = new Promise<void>((resolve) => { releasePolicy = resolve; });
   const revision = {
-    id: "psd-clinical", commit: "a".repeat(40), blob: "b".repeat(40), snapshotPath: "/snapshot", state: "operational" as const,
+    id: "psd-clinical", commit: "a".repeat(40), blob: "b".repeat(40), snapshotPath: "/snapshot",
   };
   localStorage.setItem("thothii.workspace-registry.v1.preferences", JSON.stringify({
     workspaceId: "psd-clinical", provider: "deepseek", model: "deepseek-v4-pro", thinking: "medium",
@@ -76,7 +76,7 @@ test("first-run direct dialog creation waits for registry policy without a mount
     http.get("/api/workspaces", () => {
       summaryRequestStarted = true;
       return HttpResponse.json([{
-        id: "psd-clinical", name: "psd-clinical", file: "psd-clinical.yaml", displayName: "PSD Clinical",
+        id: "psd-clinical", name: "psd-clinical", file: "psd-clinical.yaml", displayName: "PSD Clinical", language: "en",
         revision,
       }]);
     }),