Second Brain Builder

Expand, compile, and write back the user's second brain around a knowledge point. Use when the user gives a topic/concept and asks to 拓展, 编译, 沉淀, 扩充, 构建, enrich, research, or update their second brain with precise definitions, intellectual lineage, originators, related concepts, recommended papers/books, and AI-annotated note edits.

by @harrylabsj (haidong)·MIT-0