feat: establish unified administration and model context baseline

frontend/src/shell/AppShell.database-management.test.tsx

@@ -3,6 +3,7 @@ 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 { workspaceSummaryFixture } from "../test/workspace-fixtures";
 import { FakeEventSource } from "../test/fakeEventSource";
 import { useSessionStore } from "../store/sessionStore";
 import { clearAuthState, setAuthState } from "../auth/authState";
@@ -51,8 +52,8 @@ beforeEach(() => {
       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 })),
     http.get("/api/catalog/metrics", () => HttpResponse.json({
       scope: "global",
@@ -214,10 +215,10 @@ test("hides the complete administrative navigation from a regular user", () => {
   expect(screen.queryByRole("button", { name: "Pi management" })).not.toBeInTheDocument();
 });
 
-test("does not leave database management without confirming a dirty form", async () => {
+test("requires saving or cancelling a dirty database form before leaving", async () => {
   server.use(http.get("/api/catalog/databases", () => HttpResponse.json([{
     id: "11111111-1111-4111-8111-111111111111",
-    workspaceId: "psd-clinical",
+    workspaceId: "default",
     workspaceName: "Policlinico San Donato",
     workspaceAvailable: true,
     workspaceRevision: { commit: "a".repeat(40), blob: "b".repeat(40) },
@@ -250,19 +251,19 @@ test("does not leave database management without confirming a dirty form", async
   await expandAdministration();
 
   await userEvent.click(screen.getByRole("button", { name: "Database management" }));
-  await userEvent.click(await screen.findByRole("button", { name: "Edit Policlinico San Donato" }));
-  const schema = screen.getByLabelText("Schema");
+  const schema = await screen.findByLabelText("Schema");
   await userEvent.clear(schema);
   await userEvent.type(schema, "reporting");
 
   const newSession = screen.getByRole("button", { name: "New session" });
   await userEvent.click(newSession);
 
-  expect(confirm).toHaveBeenCalledWith("Discard unsaved database changes and leave database management?");
+  expect(confirm).not.toHaveBeenCalled();
   expect(screen.getByRole("main", { name: "Database management" })).toBeVisible();
   expect(schema).toHaveValue("reporting");
 
   confirm.mockReturnValue(true);
+  await userEvent.click(screen.getByRole("button", { name: "Back to list" }));
   await userEvent.click(newSession);
   await waitFor(() => expect(screen.queryByRole("main", { name: "Database management" })).not.toBeInTheDocument());
   confirm.mockRestore();