Summary

This issue requests improved documentation for OpenTUI, specifically focusing on creating custom `Renderable` components and understanding the `onChange` prop. Additionally, it highlights a potential inconsistency in how `onChange` is handled between different `Renderable` types, which needs investigation and possibly a fix.

Skills Required

Files Likely Touched

• packages/core/src/Renderable.ts
• packages/react/src/index.ts
• docs/*
• packages/core/tests/*