feat: establish unified administration and model context baseline

frontend/src/shell/AppShell.session-target.test.tsx

@@ -5,6 +5,7 @@ import { beforeEach, expect, test, vi } from "vitest";
 import { http, HttpResponse } from "msw";
 import { AppShell } from "./AppShell";
 import { server } from "../test/msw";
+import { workspaceSummaryFixture } from "../test/workspace-fixtures";
 import { FakeEventSource } from "../test/fakeEventSource";
 import { clearAuthState, setAuthState } from "../auth/authState";
 import { useSessionStore } from "../store/sessionStore";
@@ -32,8 +33,8 @@ beforeEach(() => {
   server.use(
     http.get("/api/me", () => HttpResponse.json({ issuer: "local", subject: "user-a", isAdmin: false })),
     http.get("/api/settings", () => HttpResponse.json({ workspace: "default", provider: "test", model: "test", thinking: "low" })),
-    http.get("/api/workspaces", () => HttpResponse.json([])),
-    http.get("/api/models", () => HttpResponse.json({ models: [] })),
+    http.get("/api/workspaces", () => HttpResponse.json([workspaceSummaryFixture("default")])),
+    http.get("/api/models", () => HttpResponse.json({ models: [{ provider: "test", id: "test", name: "Test LLM", reasoning: true }] })),
     http.post("/api/runtime/prewarm", () => new HttpResponse(null, { status: 202 })),
   );
 });
@@ -91,7 +92,7 @@ test("a held new-session completion cannot replace the newer active s2 target",
     http.get("/api/sessions/:id", ({ params }) => HttpResponse.json({ id: params.id, status: "open", phase: 1 })),
   );
   renderShell();
-  const composer = screen.getByRole("textbox", { name: /new question/i });
+  const composer = await screen.findByRole("textbox", { name: /new question/i });
   await userEvent.type(composer, "Held new question");
   await userEvent.click(screen.getByRole("button", { name: /send/i }));
   await createStarted.promise;