Implement new clean Registry system #160
Description
📋 What to do
Create completely new Registry implementation with modern type hints and zero IDE warnings.
✅ Tasks
- Remove all current code from registry.py
- Implement new Registry with Singleton pattern
- Add clear and modern type hints
- Implement register() and get() methods with validation
- Verify perfect IDE autocompletion
- Ensure zero type warnings
📂 Files
src/pireal/registry.py(complete rewrite)