Refactor tests and services for improved type safety and error handling

- Updated FlyerCorrectionTool tests to remove unused error notification.
- Enhanced ProfileManager tests and component to include points in user profile.
- Fixed error handling in ProfileManager to correctly log error messages.
- Adjusted AI routes tests to ensure proper mocking and added missing properties in mock responses.
- Refined AI routes to improve error message extraction and payload handling.
- Cleaned up gamification routes tests by removing unnecessary parameters.
- Simplified public routes by removing unused parameters in async handlers.
- Improved system routes tests to handle exec command callbacks more robustly.
- Updated user routes tests to remove unnecessary middleware parameters.
- Enhanced AI API client tests to use File objects for simulating uploads.
- Modified AI service tests to improve type safety and mock implementations.
- Refined database service tests to ensure proper type assertions and mock setups.
- Updated express type definitions for better clarity and organization.
- Cleaned up notification service tests to mock local re-exports instead of library directly.

src/pages/admin/components/ProfileManager.tsx

@@ -160,7 +160,7 @@ export const ProfileManager: React.FC<ProfileManagerProps> = ({ isOpen, onClose,
       setAddress(prev => ({ ...prev, latitude: lat, longitude: lng }));
       toast.success('Address re-geocoded successfully!');
     } catch (error) {
-      toast.error('Failed to re-geocode address: ${error.message}.');
+      toast.error(`Failed to re-geocode address: ${(error as Error).message}.`);
     } finally {
       setIsGeocoding(false);
     }
@@ -192,7 +192,7 @@ export const ProfileManager: React.FC<ProfileManagerProps> = ({ isOpen, onClose,
         setAddress(prev => ({ ...prev, latitude: lat, longitude: lng }));
         toast.success('Address geocoded successfully!');
       } catch (error) {
-        toast.error('Failed to geocode address: ${error.message}.');
+        toast.error(`Failed to geocode address: ${(error as Error).message}.`);
       } finally {
         setIsGeocoding(false);
       }