Role-level workflow for AI builders, founders, and creators who want to turn GitHub repos, installed skills, AI product updates, workflow experiments, learning notes, and screenshots into multi-platform self-media content. Use when the user wants posts for X, LinkedIn, Xiaohongshu, WeChat Official Account, Jike, Bluesky, newsletters, or personal blogs. Outputs source analysis, core point, platform-native drafts, visual asset plan, publishing checklist, and privacy risk notes.