Add admin dashboard and middleware protection

Introduces an admin dashboard page with cards for inviting vendors, banning users, and viewing recent orders. Adds middleware logic to restrict /admin routes to the 'admin1' user and updates route matching. Also updates git-info.json with latest commit metadata.

middleware.ts

@@ -52,7 +52,23 @@ export async function middleware(req: NextRequest) {
       return NextResponse.redirect(new URL("/auth/login", req.url));
     }
 
-    console.log("Middleware: Auth check successful, proceeding to dashboard");
+    console.log("Middleware: Auth check successful");
+
+    // Admin-only protection for /admin routes
+    const pathname = new URL(req.url).pathname;
+    if (pathname.startsWith('/admin')) {
+      try {
+        const user = await res.json();
+        const username = user?.vendor?.username;
+        if (username !== 'admin1') {
+          console.log("Middleware: Non-admin attempted to access /admin, redirecting");
+          return NextResponse.redirect(new URL("/dashboard", req.url));
+        }
+      } catch (e) {
+        console.log("Middleware: Failed to parse user for admin check, redirecting to login");
+        return NextResponse.redirect(new URL("/auth/login", req.url));
+      }
+    }
   } catch (error) {
     console.error("Authentication validation failed:", error);
     return NextResponse.redirect(new URL("/auth/login", req.url));
@@ -62,5 +78,5 @@ export async function middleware(req: NextRequest) {
 }
 
 export const config = {
-  matcher: ["/dashboard/:path*"],
+  matcher: ["/dashboard/:path*", "/admin/:path*"],
 };