feat: add UI conformance and launch context

webui/conformance/main.tsx

@@ -0,0 +1,26 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+import { BrowserRouter } from "react-router";
+import ConformanceApp from "./ConformanceApp";
+import { UnsavedChangesProvider } from "../src/components/UnsavedChangesGuard";
+import "../src/styles/tokens.css";
+import "../src/styles/layout.css";
+import "../src/styles/forms.css";
+import "../src/styles/tables.css";
+import "../src/styles/badges.css";
+import "../src/styles/components.css";
+import "../src/styles/dialogs.css";
+import "./conformance.css";
+
+const theme = new URLSearchParams(window.location.search).get("theme");
+if (theme === "dark" || theme === "light") document.documentElement.dataset.theme = theme;
+
+ReactDOM.createRoot(document.getElementById("root")!).render(
+  <React.StrictMode>
+    <BrowserRouter>
+      <UnsavedChangesProvider>
+        <ConformanceApp />
+      </UnsavedChangesProvider>
+    </BrowserRouter>
+  </React.StrictMode>
+);