login_system/ ├── db_connect.php # Connects PHP to the MySQL database ├── register.php # Registration page (form + validation + insert) ├── login.php # Login page (authenticates user, starts session) ...

All chatbot logic (keyword recognition, sentiment, NLP phrase parsing, date parsing, task title extraction) — 18/18 automated tests pass The actual XAML window opening and rendering in Visual Studio ...