fix CI: resolve all ruff lint errors, move ruff config to lint section

purge all AI separator patterns — no ==== no ---- no ASCII dividers

Update velvet_environment_manager2.py

Update env-setup-guide.sh

Update ombre_folium_walkthrough.py

Update recursion_masterclass.py

Update random_module_walkthrough.py

Add advanced environment management system for Python

Updateinformation in ml_odyssey_platform.py

Update fmt.Println message from 'Hello' to 'Goodbye'

Enhance README with educational platform link

philosophical presentation that captures the tension and beauty of AI in medicine.

Update dependency_analyzer.py

Update config_loader.py

Update config_loader.py