feat: merge admin routes into unified frontend

frontend-web/src/app/admin/(secure)/video-models/page.tsx

@@ -0,0 +1,43 @@
+"use client";
+
+import { useMutation, useQuery } from "@tanstack/react-query";
+
+import { api } from "@/lib/api";
+
+export default function VideoModelsPage() {
+  const form = {
+    model_key: "cinema-pro",
+    model_name: "影院视频",
+    frontend_title: "影院视频",
+    frontend_description: "偏高质量的长镜头生成。",
+    default_duration_seconds: 8,
+    default_ratio: "16:9",
+    default_resolution: "1280x720",
+    status: 1,
+    sort_order: 40,
+  };
+  const query = useQuery({
+    queryKey: ["video-models-admin"],
+    queryFn: () => api.get("/api/v1/admin/video-models"),
+  });
+  const mutation = useMutation({
+    mutationFn: () => api.post("/api/v1/admin/video-models", form),
+    onSuccess: () => query.refetch(),
+  });
+
+  return (
+    <div className="two-col-grid">
+      <section className="panel">
+        <h3>新增平台视频模型</h3>
+        <pre className="code-block">{JSON.stringify(form, null, 2)}</pre>
+        <button className="primary-button" style={{ marginTop: 16 }} onClick={() => mutation.mutate()}>
+          创建平台模型
+        </button>
+      </section>
+      <section className="panel">
+        <h3>平台模型列表</h3>
+        <pre className="code-block">{JSON.stringify(query.data ?? [], null, 2)}</pre>
+      </section>
+    </div>
+  );
+}