Add medicine management functionality with UI and data handling

- Implemented MedicineManagementWindow for adding, editing, and removing medicines.
- Created MedicineManager to handle medicine configurations, including loading and saving to JSON.
- Updated UIManager to dynamically generate medicine-related UI components based on the MedicineManager.
- Enhanced test suite with mock objects for MedicineManager to ensure proper functionality in DataManager tests.
- Added validation for medicine input fields in the UI.
- Introduced default medicine configurations for initial setup.

scripts/test_medicine_manager.py

@@ -0,0 +1,42 @@
+#!/usr/bin/env python3
+"""
+Simple test to check if the medicine manager works correctly.
+"""
+
+import os
+import sys
+
+# Add src to path
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "src"))
+
+from init import logger
+from medicine_manager import MedicineManager
+
+
+def test_medicine_manager():
+    """Test the medicine manager functionality."""
+    print("Testing MedicineManager...")
+
+    # Create medicine manager
+    medicine_manager = MedicineManager(logger=logger)
+
+    # Test getting all medicines
+    medicines = medicine_manager.get_all_medicines()
+    print(f"Found {len(medicines)} medicines:")
+    for key, medicine in medicines.items():
+        print(f"  - {key}: {medicine.display_name} ({medicine.dosage_info})")
+
+    # Test getting medicine keys
+    keys = medicine_manager.get_medicine_keys()
+    print(f"Medicine keys: {keys}")
+
+    # Test getting quick doses
+    for key in keys:
+        doses = medicine_manager.get_quick_doses(key)
+        print(f"Quick doses for {key}: {doses}")
+
+    print("Medicine manager test completed successfully!")
+
+
+if __name__ == "__main__":
+    test_medicine_manager()