feat(web): scaffold Vite+React+TS, Tailwind v4, shadcn, router, тёмная console-тема

web/src/App.test.tsx

@@ -0,0 +1,19 @@
+import { render, screen, within } from "@testing-library/react"
+import { MemoryRouter } from "react-router-dom"
+import { QueryClient, QueryClientProvider } from "@tanstack/react-query"
+import { App } from "./App"
+
+test("renders navigation and redirects to domains", () => {
+  render(
+    <QueryClientProvider client={new QueryClient()}>
+      <MemoryRouter initialEntries={["/"]}>
+        <App />
+      </MemoryRouter>
+    </QueryClientProvider>,
+  )
+  // Sidebar nav also renders a "Domains" link label, so scope the assertion
+  // to the routed page content to unambiguously confirm the redirect + page.
+  const main = screen.getByRole("main")
+  expect(within(main).getByText("Domains")).toBeInTheDocument()
+  expect(screen.getByRole("link", { name: /domains/i })).toBeInTheDocument()
+})