feat(admin): 添加评论按域名筛选功能并调整统计页面布局

- 在评论管理页面添加域名筛选功能
- 调整统计页面中卡片顺序，将图表移至概览下方
- 更新文档添加版本更新警告提示
- 修改评论列表API支持域名参数查询

cwd-api/src/api/admin/listComments.ts

@@ -9,14 +9,27 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 	const limit = 10;
 	const offset = (page - 1) * limit;
 
+	const rawDomain = c.req.query('domain') || '';
+	const domain = rawDomain.trim();
+
+	let whereSql = '';
+	const params: (string | number)[] = [];
+	if (domain) {
+		const pattern = `%://${domain}/%`;
+		whereSql = 'WHERE post_slug LIKE ? OR url LIKE ?';
+		params.push(pattern, pattern);
+	}
+
 	const totalCount = await c.env.CWD_DB.prepare(
-		'SELECT COUNT(*) as count FROM Comment'
-	).first<{ count: number }>();
+		`SELECT COUNT(*) as count FROM Comment ${whereSql}`
+	)
+		.bind(...params)
+		.first<{ count: number }>();
 
 	const { results } = await c.env.CWD_DB.prepare(
-		'SELECT * FROM Comment ORDER BY created DESC LIMIT ? OFFSET ?'
+		`SELECT * FROM Comment ${whereSql} ORDER BY created DESC LIMIT ? OFFSET ?`
 	)
-		.bind(limit, offset)
+		.bind(...params, limit, offset)
 		.all();
 
 	await c.env.CWD_DB.prepare(