WWYD? – nothing about me without me?

WWYD? – nothing about me without me?
An inpatient with full mental capacity is due to have an important assessment about their future care and discharge planning.
Staff contact the patient’s son to inform him about the meeting and discuss arrangements — but the patient themselves is not told the assessment is taking place.
On the day, the patient becomes upset and says,“Why is everyone talking about me instead of to me?”
Some staff argue the son is “supportive and easier to contact.” Others feel the patient’s autonomy and dignity have been seriously undermined. What would YOU do?