Teachers

A teacher may or may not have a staff login (user_id is nullable). Teacher pay is computed from the class roster (report_students_per_teacher), not from check-ins.

list_teachers

Argument	Type	Required	Notes
limit	number	no	default 50, max 200
offset	number	no	default 0

Ordered by full_name ascending.

get_teacher

Argument	Type	Required
id	uuid	yes

create_teacher

Argument	Type	Required	Notes
full_name	string	yes
revenue_share_pct	number	yes	0-100
user_id	uuid | null	no	links an existing staff login

update_teacher

Same fields as create_teacher, all optional, plus id (required).

delete_teacher

Argument	Type	Required
id	uuid	yes

Fails if any classes row still references this teacher.