WiseFocus Prototype - Artefact

Files included:
- wisefocus_demo.py : Main prototype code
- sessions.json : Local storage file (auto-created/updated)
- README.txt : Instructions

How to run:
1. Install Python 3.8+
2. Open a terminal in this folder
3. Run: python wisefocus_demo.py

This artefact demonstrates:
- Focus session timer
- Strict/Flexible mode
- Emergency Exit (Ctrl+C)
- Session logging into JSON
- Streak and statistics calculation
