If mediapipe is a construction company,
I was able to call a specialist called solutions.hands out to detect all the important parts out of the hand for me. all the important points like joints are called landmarks
I also got another specialist called solutions.drawing_utils to draw lines in between

This is Brush Hero in action
🔍 What’s Working
- Curl-based detection is more robust across hand postures
- Overlay rendering is centralized and extensible