优化项目结构

public/assets/js/markdown.js

@@ -0,0 +1,34 @@
+const MarkdownRenderer = {
+    init() {
+        // 配置 marked.js
+        marked.setOptions({
+            highlight: function(code, lang) {
+                if (lang && hljs.getLanguage(lang)) {
+                    return hljs.highlight(code, { language: lang }).value;
+                }
+                return hljs.highlightAuto(code).value;
+            },
+            breaks: true,
+            gfm: true
+        });
+    },
+
+    render(text) {
+        if (!text) return '';
+        let html = marked.parse(text);
+        // 为代码块添加复制按钮
+        html = html.replace(/<pre><code/g, '<pre><button class="copy-btn" onclick="MarkdownRenderer.copyCode(this)">复制</button><code');
+        return html;
+    },
+
+    copyCode(btn) {
+        const code = btn.nextElementSibling;
+        navigator.clipboard.writeText(code.textContent).then(() => {
+            btn.textContent = '已复制';
+            setTimeout(() => { btn.textContent = '复制'; }, 2000);
+        });
+    }
+};
+
+// 初始化
+MarkdownRenderer.init();