初始提交：姜十三论坛 Jiang13 Forum

轻量自用论坛，Go 单二进制 + React SPA 内嵌 + SQLite。

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/components/PostListItem.tsx

@@ -0,0 +1,35 @@
+import { Badge } from '@/components/ui/badge';
+import type { PostItem } from '../api/types';
+import { formatTime } from '../utils/content';
+
+interface Props {
+  post: PostItem;
+  onClick: () => void;
+}
+
+export default function PostListItem({ post, onClick }: Props) {
+  const initial = post.user?.nickname?.[0] || '?';
+
+  return (
+    <div className="post-row" onClick={onClick}>
+      <div className="post-avatar">
+        {post.user?.avatar ? <img src={post.user.avatar} alt="" /> : initial}
+      </div>
+      <div className="post-body">
+        <div className="post-title">
+          {post.pinned && <Badge variant="orange" className="mr-1.5">置顶</Badge>}
+          {post.title}
+        </div>
+        <div className="post-meta">
+          {post.board && <Badge variant="green">{post.board.name}</Badge>}
+          <span>{post.user?.nickname || '匿名'}</span>
+          <span>{formatTime(post.created_at)}</span>
+        </div>
+      </div>
+      <div className="post-stats">
+        <span>💬 {post.comment_count ?? 0}</span>
+        <span>👍 {post.like_count ?? 0}</span>
+      </div>
+    </div>
+  );
+}