feat(Workflow): 新增工作流节点组件

server/api/markdown2html.post.ts

@@ -0,0 +1,38 @@
+// server/api/markdown2html.post.ts
+import { defineEventHandler, readBody } from "h3";
+import MarkdownIt from "markdown-it";
+import type {  NodeOutput } from "~/composables/worklfow/node/node.interface";
+
+export default defineEventHandler(async (event) => {
+  try {
+    // 获取请求体
+    const body = await readBody<{ markdown: string }>(event);
+
+    if (!body?.markdown) {
+      return { error: "Missing markdown content" };
+    }
+
+    // 初始化 Markdown-it
+    const md = new MarkdownIt({
+      html: true,        // 支持 HTML 标签
+      linkify: true,     // 自动识别 URL
+      typographer: true  // 美化引号、破折号等
+    });
+
+    // 转换
+    const html = md.render(body.markdown);
+
+    /**
+     * 节点输出类型标准数据结构
+     */
+    return {
+      output_content: [{
+        type: "text",
+        content: html
+      }]
+    } as NodeOutput;
+  } catch (err) {
+    console.error("Markdown to HTML conversion failed:", err);
+    return { error: "Conversion failed", details: err.message };
+  }
+});