fix: clean login page, avoid esbuild regex parse error

artifacts/toolrate/src/pages/login.tsx

@@ -6,7 +6,7 @@ import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
 import { Label } from "@/components/ui/label";
 import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
-import { Wrench, AlertCircle, ArrowLeft } from "lucide-react";
+import { Wrench, AlertCircle } from "lucide-react";
 
 export default function Login() {
   const [, setLocation] = useLocation();
@@ -91,18 +91,16 @@ export default function Login() {
                 className="w-full"
                 disabled={localLogin.isPending}
               >
-                {localLogin.isPending ? "Signing in…" : "Sign in"}
+                {localLogin.isPending ? "Signing in..." : "Sign in"}
               </Button>
             </form>
           </CardContent>
-          </Card>
+        </Card>
 
-          <div className="text-center">
-            <Link href="/" className="inline-flex items-center gap-1.5 text-sm text-muted-foreground hover:text-primary transition-colors">
-              <ArrowLeft className="w-4 h-4" />
-              Back to Home
-            </Link>
-          </div>
+        <div className="text-center">
+          <Link href="/" className="text-sm text-muted-foreground hover:text-primary transition-colors">
+            Back to Home
+          </Link>
         </div>
       </div>
     </div>