A newly graduated PMHNP begins her first clinical position at a community mental health center. She has a formal clinical supervision arrangement with an experienced PMHNP who has 15 years of clinical experience and is board-certified as a clinical supervisor. During their second supervision session, the new PMHNP presents a case involving a patient with comorbid borderline personality disorder and substance use disorder, expressing significant countertransference and self-doubt about her clinical competence. Which supervision model would be most appropriate for the supervisor to apply in this situation?