- Teacher registration requires subject selection; account starts pending
- Admin approves/rejects via existing admin panel
- Teacher panel (Materialien, Ankündigungen, Prüfungen, Noten) visible only to approved teachers
- Students see class materials and announcements via sidebar overlays
- Teachers can assign grades to students (scoped to own subject)
- New tables: teacher_materials, teacher_announcements, teacher_exams, teacher_assigned_grades
- subject column added to users; included in JWT and /api/me
- requireTeacher middleware fetches fresh status+subject from DB on every request
- Login hint: username is the part of the school email before the @
Simon