fix: Remove car_id property from adminAddVehicle call to fix TypeScript error

temp_solutions_new_page.tsx

@@ -0,0 +1,34 @@
+"use client";
+
+import { useState } from "react";
+import { useRouter } from "next/navigation";
+import { useAuth } from "@/contexts/AuthContext";
+import { solutionsApi } from "@/lib/api";
+import SolutionForm from "@/components/admin/SolutionForm";
+
+export default function NewSolutionPage() {
+  const { token } = useAuth();
+  const router = useRouter();
+  const [isSubmitting, setIsSubmitting] = useState(false);
+
+  const handleSubmit = async (data: any) => {
+    if (!token) return;
+    setIsSubmitting(true);
+
+    try {
+      const solution = await solutionsApi.adminCreate(data, token);
+      router.push(`/admin/solutions/${solution.id}`);
+    } catch (err) {
+      alert("솔루션 생성에 실패했습니다.");
+    } finally {
+      setIsSubmitting(false);
+    }
+  };
+
+  return (
+    <div>
+      <h1 className="text-2xl font-bold text-gray-900 mb-8">새 솔루션 등록</h1>
+      <SolutionForm onSubmit={handleSubmit} isSubmitting={isSubmitting} />
+    </div>
+  );
+}