Use-case 0017 - Edit User Profile

Initiating actor: Any Registered User (Admin / Pet Owner / Pet Sitter)

Other actors: None

Description: A user wants to update their first name, last name, or email address on the platform.

Scenario:

1. User navigates to their "Edit My Profile" page from the dashboard.
2. User updates their email address and clicks "Save Changes".
3. System updates the user record in the database:

   UPDATE users
   SET first_name = 'Bojan', last_name = 'Jovanovski', email = 'new_bojan@email.com'
   WHERE user_id = (SELECT user_id FROM users WHERE username = 'owner_bojan');