feat: 更新评论和帖子模型，添加用户信息和原创标识，优化API请求和组件结构

web/src/models/post.ts

@@ -1,4 +1,5 @@
 import type { Label } from "@/models/label";
+import type { User } from "./user";
 
 export interface Post {
     id: number;
@@ -7,7 +8,9 @@ export interface Post {
     cover: string | null; // 封面可以为空
     type: "markdown" | "html" | "text";
     labels: Label[] | null; // 标签可以为空
+    user: User
     isPrivate: boolean;
+    isOriginal: boolean;
     likeCount: number;
     commentCount: number;
     viewCount: number;