568 lines
18 KiB
Markdown
568 lines
18 KiB
Markdown
# N8N 内容转化流水线工作流设计(v4 → v5 升级)
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> 用于:AI 英文文章 → 中文公众号/X/视频 内容转化
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> 工作流ID:`iOf32aOKvTjfTDSM`(v4基础)
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> 触发方式:OpenClaw 通过 Webhook 调用
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> 管理平台:Mac mini 上的 n8n (`https://n8n.ishenwei.online`)
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---
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## 📋 核心需求更新(v5)
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### 输出要求(重要!)
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**必须同时输出两个版本:**
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| 输出文件 | 路径 | 格式 | 用途 |
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|---------|------|------|------|
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| **Markdown 源文件** | `content-output/{原文件名}.md` | 中文 Markdown | Obsidian 留存、溯源 |
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| **公众号 HTML** | `content-output/{原文件名}.html` | 带样式的 HTML | 直接复制到公众号编辑器 |
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### Obsidian 目录结构
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```
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~/Workspace/nexus/openclaw/
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├── content-queue/ # 原始英文文章(输入)
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│ └── 2026-03-29-ai-solopreneur.md
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│
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└── content-output/ # 成品(输出)
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├── 2026-03-29-ai-solopreneur.md # 翻译后 Markdown
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└── 2026-03-29-ai-solopreneur.html # 公众号 HTML(新增)
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```
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---
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## 📋 工作流概述
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```
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OpenClaw (发现文章)
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↓ (保存文件到 n8n-files 目录)
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↓ (触发 Webhook)
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┌─────────────────────────────────────────────────────────────┐
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│ N8N 工作流 (v5): content-translation-pipeline-v5 │
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│ │
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│ [Webhook] → [Read File] → [Extract Text] → [AI Agent] │
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│ ↓ ↑ (DeepSeek) │
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│ [Build Markdown] → [Write .md] → [Build HTML] → [Write .html] │
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│ ↓ │
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│ [Send Telegram] │
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└─────────────────────────────────────────────────────────────┘
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```
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---
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## 🔌 节点详细设计(v5)
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### 节点 1️⃣:Webhook Trigger
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**类型:** Webhook
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**名称:** `Webhook Trigger`
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**Path:** `/content-translation-v5`(新建 path)
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**Method:** POST
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**接收数据格式:**
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```json
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{
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"note_name": "2026-03-29-ai-solopreneur.md",
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"source_path": "/Users/weishen/Workspace/nexus/openclaw/content-queue/2026-03-29-ai-solopreneur.md",
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"callback_url": "http://192.168.3.189:18789/webhook/yunce"
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}
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```
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---
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### 节点 2️⃣:Read Obsidian Note
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**类型:** Read Binary File
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**名称:** `Read Obsidian Note`
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**配置:**
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- File Path: `=/home/node/.n8n-files/{{ $json.body.note_name }}`
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---
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### 节点 3️⃣:Extract from File
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**类型:** Extract from File
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**名称:** `Extract from File`
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**Operation:** `text`
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**输出:**
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```json
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{
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"original_content": "...",
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"note_name": "2026-03-29-ai-solopreneur.md",
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"source_path": "/Users/weishen/Workspace/nexus/openclaw/content-queue/..."
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}
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```
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---
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### 节点 4️⃣:AI Agent(翻译+改写)
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**类型:** LangChain Agent
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**名称:** `AI Agent`
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**Version:** 3.1
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**Model:** DeepSeek Chat Model
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**Prompt 模板:**
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```
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你是一个专业的中文内容编辑,擅长将英文文章转化为适合中国读者的高质量内容。
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## 你的任务
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将以下英文原文转化为:
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1. 公众号风格的深度文章(2000-3000字)
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2. X/Twitter 风格的短文案(280字内,带钩子)
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3. 视频口播脚本(3-5分钟,适合抖音/YouTube)
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## 内容要求
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- 语言:地道中文,无翻译腔
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- 风格:专业、有干货、适合中国读者
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- 调性:公众号大V风格,有观点有案例
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- 商业化:可自然植入 AI Agent / 知识管理相关内容(软性,不硬广)
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## 文章主题方向(供校准时参考)
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- AI Agent 落地实践与工具推荐
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- AI 赋能商业的最佳实践
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- AI 时代的网络安全与运维
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## 输出格式(严格按此 JSON 返回)
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{
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"wechat_title": "中文标题",
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"wechat_excerpt": "公众号摘要(100字内)",
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"wechat_content": "完整公众号文章(Markdown格式)",
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"twitter_copy": "X/Twitter文案(280字内,带emoji)",
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"video_title": "视频标题",
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"video_script": "口播脚本(含时间戳和字幕)",
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"cover_keywords": ["关键词1", "关键词2", "关键词3"]
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}
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## 原文内容
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{{ $json.data }}
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```
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---
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### 节点 5️⃣:Build Markdown(新增)
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**类型:** Code
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**名称:** `Build Markdown`
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**功能:** 将 AI 输出组装成 Markdown 文件
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```javascript
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const aiResult = $input.first().json.message;
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const data = typeof aiResult === 'string' ? JSON.parse(aiResult) : aiResult;
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const noteName = $('Webhook Trigger').first().json.body.note_name;
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// 去掉 .md 后缀,输出到 content-output
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const outputName = noteName.replace('.md', '.md');
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const outputPath = '/Users/weishen/Workspace/nexus/openclaw/content-output/' + outputName;
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const markdown = `# ${data.wechat_title}
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${data.wechat_content}
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---
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## X/Twitter 文案
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${data.twitter_copy}
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---
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## 视频信息
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**标题:** ${data.video_title}
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**口播脚本:**
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${data.video_script}
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---
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*封面图关键词:${data.cover_keywords?.join(', ')}*
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`;
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return {
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json: {
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output_path: outputPath,
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output_content: markdown,
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source_path: $('Webhook Trigger').first().json.body.source_path
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}
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};
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```
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---
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### 节点 6️⃣:Write .md File(新增)
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**类型:** Write Binary File / ReadWriteFile
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**名称:** `Write Markdown Note`
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**配置:**
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- Operation: `write`
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- File Path: `=/home/node/.n8n-files/{{ $json.body.output_name }}_output.md`
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- Content: `={{ $json.output_content }}`
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**注意:** 输出到 n8n-files/ 目录,由 OpenClaw 负责复制回 Obsidian。
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---
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### 节点 7️⃣:Build HTML(新增,核心)
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**类型:** Code
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**名称:** `Build WeChat HTML`
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**功能:** 将 Markdown 转为带样式的公众号 HTML
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```javascript
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const aiResult = $input.first().json.message;
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const data = typeof aiResult === 'string' ? JSON.parse(aiResult) : aiResult;
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const outputName = $('Webhook Trigger').first().json.body.output_name;
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const htmlPath = '/home/node/.n8n-files/' + outputName + '_output.html';
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// 公众号 HTML 模板
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const html = `<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
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font-size: 16px;
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line-height: 1.8;
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color: #333;
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max-width: 100%;
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padding: 20px;
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}
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h1 {
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font-size: 24px;
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text-align: center;
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color: #1a1a1a;
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margin-bottom: 30px;
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font-weight: 600;
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}
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h2 {
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font-size: 20px;
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color: #1a1a1a;
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margin-top: 30px;
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margin-bottom: 15px;
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font-weight: 600;
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border-left: 4px solid #007aff;
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padding-left: 12px;
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}
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p {
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text-align: justify;
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margin-bottom: 16px;
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text-indent: 2em;
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}
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.twitter-copy {
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background: #f5f5f5;
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padding: 15px;
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border-radius: 8px;
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margin: 20px 0;
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font-size: 15px;
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}
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.video-info {
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background: #f0f7ff;
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padding: 15px;
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border-radius: 8px;
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margin: 20px 0;
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}
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.video-title {
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font-size: 18px;
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font-weight: 600;
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color: #007aff;
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margin-bottom: 10px;
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}
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.script {
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font-size: 14px;
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line-height: 1.6;
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color: #555;
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}
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.cover-keywords {
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color: #999;
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font-size: 12px;
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text-align: center;
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margin-top: 30px;
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padding-top: 20px;
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border-top: 1px solid #eee;
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}
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</style>
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</head>
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<body>
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<h1>${data.wechat_title}</h1>
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${data.wechat_content.split('\n').map(line => {
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if (line.startsWith('# ')) return `<h1 style="text-align:center;font-size:24px;margin:30px 0;">${line.slice(2)}</h1>`;
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if (line.startsWith('## ')) return `<h2>${line.slice(3)}</h2>`;
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if (line.startsWith('### ')) return `<h3 style="font-size:17px;color:#333;margin:20px 0 10px;">${line.slice(4)}</h3>`;
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if (line.trim() === '---') return '<hr style="border:none;border-top:1px solid #eee;margin:30px 0;">';
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if (line.startsWith('- ') || line.startsWith('* ')) return `<li style="margin:8px 0;">${line.slice(2)}</li>`;
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if (line.trim() === '') return '';
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return `<p>${line}</p>`;
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}).join('\n')}
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<div class="twitter-copy">
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<strong>📱 X/Twitter 文案:</strong><br>
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${data.twitter_copy.replace(/\n/g, '<br>')}
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</div>
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<div class="video-info">
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<div class="video-title">🎬 视频标题:${data.video_title}</div>
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<div class="script">
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<strong>口播脚本:</strong><br>
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${data.video_script.replace(/\n/g, '<br>')}
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</div>
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</div>
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<div class="cover-keywords">
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封面图关键词:${data.cover_keywords?.join(' | ')}<br>
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原文路径:${$('Webhook Trigger').first().json.body.source_path}
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</div>
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</body>
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</html>`;
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return {
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json: {
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html_path: htmlPath,
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html_content: html
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}
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};
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```
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---
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### 节点 8️⃣:Write .html File(新增)
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**类型:** Write Binary File / ReadWriteFile
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**名称:** `Write WeChat HTML`
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**配置:**
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- Operation: `write`
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- File Path: `=/home/node/.n8n-files/{{ $json.body.output_name }}_output.html`
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- Content: `={{ $json.html_content }}`
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**注意:** 输出到 n8n-files/ 目录,由 OpenClaw 负责复制回 Obsidian。
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---
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### 节点 9️⃣:Send Telegram Message
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**类型:** Telegram
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**名称:** `Send Telegram Message`
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**配置:**
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- Chat ID: `5038825565`
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- Text:
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```
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✅ 文章转换完成!
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📝 标题:{{ $json.wechat_title }}
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📁 Markdown:/home/node/.n8n-files/{{ $json.body.output_name }}_output.md
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🌐 HTML:/home/node/.n8n-files/{{ $json.body.output_name }}_output.html
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🐦 Twitter 文案:{{ $json.twitter_copy }}
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```
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- Credentials: `Telegram XingJiang Bot`
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**注意:** Telegram 只通知完成,OpenClaw 收到通知后负责将文件复制回 Obsidian。
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---
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## 🔗 完整节点连接图(v5)
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```
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┌─────────────────────────────────┐
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│ Webhook Trigger │
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│ POST /content-translation-v5 │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Read Obsidian Note │
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│ (Read Binary File) │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Extract from File │
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│ (text operation) │
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└──────────────┬──────────────────┘
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│
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┌──────────┴──────────┐
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│ │
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│ ┌───────┴────────┐
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│ │ DeepSeek │
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│ │ Chat Model │
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│ └───────┬────────┘
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│ │
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▼ ▼
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┌─────────────────────────────────┐
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│ AI Agent (LangChain) │
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│ - system prompt │
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│ - original content │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Build Markdown (NEW) │
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│ 组装中文 Markdown 文件 │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Write Markdown Note (NEW) │
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│ → content-output/*.md │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Build WeChat HTML (NEW) │
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│ Markdown → 带样式 HTML │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Write WeChat HTML (NEW) │
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│ → content-output/*.html │
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└──────────────┬──────────────────┘
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│
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▼
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┌─────────────────────────────────┐
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│ Send Telegram Message │
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│ 文章转换完成通知 │
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└─────────────────────────────────┘
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```
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---
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## 🔄 调用方式(OpenClaw 侧)
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**重要说明:n8n 只能读写 `/home/node/.n8n-files/` 目录,无法直接访问 Obsidian 目录。因此 OpenClaw 负责文件搬运,n8n 专注处理。**
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### OpenClaw 完整流程:
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```bash
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# =============================================
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# 步骤 1:OpenClaw 复制原文到 n8n-files 目录
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# =============================================
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# SSH 到 MacMini,将源文件复制到 n8n 容器可访问的目录
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scp /Users/weishen/Workspace/nexus/openclaw/content-queue/article-2026-03-29.md \
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macmini:/home/node/.n8n-files/article-2026-03-29.md
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# =============================================
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# 步骤 2:OpenClaw 触发 n8n Webhook
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# =============================================
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curl -X POST "https://n8n.ishenwei.online/webhook/content-translation-v5" \
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-H "Content-Type: application/json" \
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-d '{
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"note_name": "article-2026-03-29.md",
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"source_path": "/Users/weishen/Workspace/nexus/openclaw/content-queue/article-2026-03-29.md",
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"output_name": "article-2026-03-29",
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"callback_url": "http://192.168.3.189:18789/webhook/yunce"
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}'
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# =============================================
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# 步骤 3:n8n 流程执行中...
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# =============================================
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# n8n 读取 /home/node/.n8n-files/article-2026-03-29.md
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# 处理(翻译、改写)
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# 输出到 /home/node/.n8n-files/article-2026-03-29_output.md
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# 输出到 /home/node/.n8n-files/article-2026-03-29_output.html
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# 发送 Telegram 通知
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# =============================================
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# 步骤 4:OpenClaw 复制输出文件回 Obsidian(工作流完成后)
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# =============================================
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# 复制 Markdown 成品
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scp macmini:/home/node/.n8n-files/article-2026-03-29_output.md \
|
||
/Users/weishen/Workspace/nexus/openclaw/content-output/article-2026-03-29.md
|
||
|
||
# 复制 HTML 成品
|
||
scp macmini:/home/node/.n8n-files/article-2026-03-29_output.html \
|
||
/Users/weishen/Workspace/nexus/openclaw/content-output/article-2026-03-29.html
|
||
|
||
# =============================================
|
||
# 步骤 5:清理 n8n-files 临时文件(可选)
|
||
# =============================================
|
||
ssh macmini "rm /home/node/.n8n-files/article-2026-03-29.md \
|
||
/home/node/.n8n-files/article-2026-03-29_output.md \
|
||
/home/node/.n8n-files/article-2026-03-29_output.html"
|
||
```
|
||
|
||
### 简化版 OpenClaw 代码流程:
|
||
|
||
```python
|
||
import subprocess
|
||
|
||
note_name = "article-2026-03-29.md"
|
||
source_path = "/Users/weishen/Workspace/nexus/openclaw/content-queue/" + note_name
|
||
output_name = note_name.replace('.md', '')
|
||
n8n_files = "/home/node/.n8n-files"
|
||
|
||
# 1. 复制原文到 n8n-files
|
||
subprocess.run(['scp', source_path, f'macmini:{n8n_files}/{note_name}'])
|
||
|
||
# 2. 触发 Webhook
|
||
subprocess.run(['curl', '-X', 'POST',
|
||
'https://n8n.ishenwei.online/webhook/content-translation-v5',
|
||
'-H', 'Content-Type: application/json',
|
||
'-d', f'{{"note_name": "{note_name}", "output_name": "{output_name}", ...}}'
|
||
])
|
||
|
||
# 3. 等待 Telegram 通知(工作流完成)
|
||
|
||
# 4. 复制输出回 Obsidian
|
||
subprocess.run(['scp',
|
||
f'macmini:{n8n_files}/{output_name}_output.md',
|
||
f'/Users/weishen/Workspace/nexus/openclaw/content-output/{output_name}.md'])
|
||
subprocess.run(['scp',
|
||
f'macmini:{n8n_files}/{output_name}_output.html',
|
||
f'/Users/weishen/Workspace/nexus/openclaw/content-output/{output_name}.html'])
|
||
```
|
||
|
||
---
|
||
|
||
## 📁 最终 Obsidian 目录结构
|
||
|
||
```
|
||
~/Workspace/nexus/openclaw/
|
||
├── content-queue/ # 原始英文(输入,OpenClaw 放置)
|
||
│ └── article-2026-03-29.md
|
||
│
|
||
└── content-output/ # 成品(OpenClaw 从 n8n-files/ 复制回来)
|
||
├── article-2026-03-29.md # 中文 Markdown ✅
|
||
└── article-2026-03-29.html # 公众号 HTML ✅
|
||
```
|
||
|
||
**文件来源说明:**
|
||
- n8n 工作流只读写 `/home/node/.n8n-files/` 目录
|
||
- OpenClaw 在工作流完成后负责将输出文件复制到 Obsidian 目录
|
||
|
||
---
|
||
|
||
## ✅ 验收标准
|
||
|
||
1. 触发后自动完成整个流程,无需人工干预
|
||
2. `content-output/` 目录同时生成 `.md` 和 `.html` 两个文件
|
||
3. HTML 文件可直接复制粘贴到微信公众号编辑器,格式基本正确
|
||
4. Telegram 收到完成通知(含标题和文件路径)
|
||
5. 错误时 n8n 记录错误节点并停止流程
|
||
|
||
---
|
||
|
||
## 📝 备注
|
||
|
||
- **Markdown 源文件**:保留中文原文,方便后续修改和溯源
|
||
- **HTML 文件**:带内联样式,兼容微信公众号编辑器,复制后格式不走形
|
||
- **文件路径**:写入 Obsidian vault 的 `content-output/` 子目录,需确保 n8n 容器有对应目录的写权限
|
||
- **API Key**:DeepSeek API 通过 n8n credential 配置,无需在代码中硬编码
|