feat(final-docs): GRAND_FINAL_DOCS_REMINDER/SUBMITTED notification types + email template

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

prisma/seed-notification-settings.ts

@@ -271,6 +271,20 @@ const NOTIFICATION_EMAIL_SETTINGS = [
     description: 'Email to the attendee when their visa application status changes',
     sendEmail: true,
   },
+  {
+    notificationType: 'GRAND_FINAL_DOCS_REMINDER',
+    category: 'logistics',
+    label: 'Final Documents Reminder',
+    description: 'Reminder to finalist teams to upload their Grand Final documents before the deadline',
+    sendEmail: true,
+  },
+  {
+    notificationType: 'GRAND_FINAL_DOCS_SUBMITTED',
+    category: 'logistics',
+    label: 'Final Documents Submitted',
+    description: 'Notifies the team mentor when a finalist uploads a Grand Final document',
+    sendEmail: false,
+  },
 
   // Admin notifications (in-app only by default)
   {