Add Turso/Vercel deployment configuration

- Updated database connection to support Turso auth token
- Added vercel.json with bun build configuration
- Updated environment schema for production deployment
- Added new features and components for production readiness

src/middleware.ts

@@ -0,0 +1,54 @@
+import { NextResponse } from "next/server";
+import type { NextRequest } from "next/server";
+
+export function middleware(request: NextRequest) {
+  const { pathname } = request.nextUrl;
+
+  // Define public routes that don't require authentication
+  const publicRoutes = ["/", "/auth/signin", "/auth/register"];
+
+  // Define API routes that should be handled separately
+  const apiRoutes = ["/api/auth", "/api/trpc"];
+
+  // Allow API routes to pass through
+  if (apiRoutes.some((route) => pathname.startsWith(route))) {
+    return NextResponse.next();
+  }
+
+  // Allow public routes for everyone
+  if (publicRoutes.includes(pathname)) {
+    return NextResponse.next();
+  }
+
+  // Check for session token in cookies (Auth.js v5 cookie names)
+  const sessionToken =
+    request.cookies.get("authjs.session-token")?.value ||
+    request.cookies.get("__Secure-authjs.session-token")?.value ||
+    request.cookies.get("next-auth.session-token")?.value ||
+    request.cookies.get("__Secure-next-auth.session-token")?.value;
+
+  // If no session token, redirect to sign-in
+  if (!sessionToken) {
+    const signInUrl = new URL("/auth/signin", request.url);
+    signInUrl.searchParams.set("callbackUrl", request.url);
+    return NextResponse.redirect(signInUrl);
+  }
+
+  // Session token exists, allow the request to proceed
+  // The actual pages will validate the token properly
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: [
+    /*
+     * Match all request paths except for the ones starting with:
+     * - api/auth (Auth.js API routes)
+     * - _next/static (static files)
+     * - _next/image (image optimization files)
+     * - favicon.ico (favicon file)
+     * - public folder files
+     */
+    "/((?!api/auth|_next/static|_next/image|favicon.ico|.*\\.png$|.*\\.jpg$|.*\\.jpeg$|.*\\.gif$|.*\\.svg$).*)",
+  ],
+};