Round 25: Substitute Teacher, School Newsletter, Career Guidance, Styling

- Substitute Teacher Management View: pool, absences, assignments, statistics, weekly schedule
- School Newsletter View: editor, templates, distribution, analytics, open/click tracking
- Student Career & Guidance View: career exploration, interest quiz, portfolio, goals, appointments
- 6 new Prisma models: SubstituteTeacher, TeacherAbsence, SubstitutionAssignment, CareerProfile, CareerGoal, CareerAppointment
- Enhanced Newsletter model with content, scheduling, and analytics fields
- Enhanced settings-view with gradient header, glassmorphism cards, danger zone
- Enhanced student-portal-view with animated welcome banner, quick action cards
- 16+ new API route files
- 300+ i18n keys added
- All views verified working in browser

src/lib/store.ts

@@ -50,7 +50,10 @@ export type ViewName =
   | 'report-cards'
   | 'data-import-export'
   | 'student-wellness'
-  | 'school-events';
+  | 'school-events'
+  | 'substitute-teacher'
+  | 'student-career'
+  | 'school-newsletter';
 
 export interface CurrentUser {
   id: string;