separate flow: doctors → user_roles add list/update user_roles map patient->user, doctor->doctor adjust list/update patient_assignments extend verifyLoginPermission correct 22P02 and FK 23503; basic tests performed
separate flow: doctors → user_roles add list/update user_roles map patient->user, doctor->doctor adjust list/update patient_assignments extend verifyLoginPermission correct 22P02 and FK 23503; basic tests performed