feat: establish unified administration and model context baseline

frontend/src/test/setup.ts

@@ -38,6 +38,9 @@ if (!window.matchMedia) {
 }
 
 beforeAll(() => server.listen());
-beforeEach(() => workspacePreferences.reset());
+beforeEach(() => {
+  workspacePreferences.reset();
+  window.history.replaceState(null, "", "/");
+});
 afterEach(() => server.resetHandlers());
 afterAll(() => server.close());