Daily WeChat Article Writer Skill

Metadata

• Name: daily-wechat-writer
• Description: A cron-based skill that pitches 3 trending AI/Human-interest topics at 10:00 AM daily. Upon user selection, it auto-generates a full article with context-matched AI images and uploads it to WeChat draft box.
• Author: Liuu (Editor-in-Chief)
• Version: 1.1.0 (2026-03-26)

Features

1. Daily Pitch (10:00 AM): Aggregates trending topics from Reddit, Hacker News, Twitter, and Xiaohongshu. Filters for human-centric AI stories (micro-perspective, emotional, sincere).
2. Auto-Writer:
   • Deep research based on selected topic
   • Article writing in "Editor" persona (sincere, grounded, concise)
   • Context-aware AI image generation using Google Imagen 4
   • WeChat draft upload with proper Chinese title extraction
3. Style Lock: Enforces sincere, grounded, and concise writing style; ensures Chinese title is used.
4. Image Matching Protocol: Generated images must directly correspond to specific article sections (e.g., cover = IP creation scene, section images = concrete metaphors).

Usage

• Automatic: Runs daily at 10:00 AM via system cron (managed by OpenClaw).
• Manual: /daily-pitch to trigger the pitch immediately.
• Selection: User replies "选1", "选2", etc. to trigger auto_writer.py.

Files

• scripts/daily_topic_pitch.py: Fetches trends and formats the pitch.
• scripts/auto_writer.py: Handles writing, AI image generation (Imagen 4), and WeChat upload.
• scripts/upload_to_wechat.py: Handles Markdown parsing, title extraction, and WeChat API integration.

Configuration

• Time: 10:00 AM Asia/Shanghai
• Sources: Reddit (r/ArtificialInteligence, r/ChatGPT), Hacker News, Xiaohongshu (via search), Twitter (AI influencers).
• Image Generation:
  • Model: imagen-4.0-generate-001 (Google Imagen 4)
  • API Key: Configured via environment variable GOOGLE_IMAGEN_API_KEY (user-provided)
  • Aspect Ratio: 16:9 (800x450 or similar)
  • Prompt Style: Realistic, cinematic, authentic textures, matching article's "earthy" aesthetic

Lessons Learned (2026-03-26)

1. Unsplash实拍图虽可商用，但难以精准匹配微观意象 → 改用AI生图可100%定制
2. 封面图必须反映文章核心主题 → "个人IP/朋友圈"主题需要手机/社交媒体/摆摊等视觉符号
3. 标题提取必须优先使用Markdown中文化标题 → 修改了upload_to_wechat.py的标题解析逻辑
4. 图片审核需前置分析 → 每次生成图片后应检查：是否匹配段落？是否符合"土味/真实"美学？是否呼应标题？
5. API测试流程：先用curl测试imagen-4.0-generate-001端点，确认密钥有效后再批量生成