feat(fake-llm-server): add initial setup for fake LLM server with TypeScript and Express

- Created package.json for dependencies and scripts
- Added tsconfig.json for TypeScript configuration
- Implemented fake stdio MCP server with basic calculator and environment variable printing tools
- Added shell script to run the fake stdio MCP server
- Updated root tsconfig.json for project references and path mapping

backups/backup-20251218-161645/src/router.ts

@@ -0,0 +1,50 @@
+import { createRouter } from "@tanstack/react-router";
+import { rootRoute } from "./routes/root";
+import { homeRoute } from "./routes/home";
+import { chatRoute } from "./routes/chat";
+import { settingsRoute } from "./routes/settings";
+import { providerSettingsRoute } from "./routes/settings/providers/$provider";
+import { appDetailsRoute } from "./routes/app-details";
+import { hubRoute } from "./routes/hub";
+import { libraryRoute } from "./routes/library";
+
+const routeTree = rootRoute.addChildren([
+  homeRoute,
+  hubRoute,
+  libraryRoute,
+  chatRoute,
+  appDetailsRoute,
+  settingsRoute.addChildren([providerSettingsRoute]),
+]);
+
+// src/components/NotFoundRedirect.tsx
+import * as React from "react";
+import { useNavigate } from "@tanstack/react-router";
+import { ErrorBoundary } from "./components/ErrorBoundary";
+
+export function NotFoundRedirect() {
+  const navigate = useNavigate();
+
+  React.useEffect(() => {
+    // Navigate to the main route ('/') immediately on mount
+    // 'replace: true' prevents the invalid URL from being added to browser history
+    navigate({ to: "/", replace: true });
+  }, [navigate]); // Dependency array ensures this runs only once
+
+  // Optionally render null or a loading indicator while redirecting
+  // The redirect is usually very fast, so null is often fine.
+  return null;
+  // Or: return <div>Redirecting...</div>;
+}
+
+export const router = createRouter({
+  routeTree,
+  defaultNotFoundComponent: NotFoundRedirect,
+  defaultErrorComponent: ErrorBoundary,
+});
+
+declare module "@tanstack/react-router" {
+  interface Register {
+    router: typeof router;
+  }
+}