Admin shortcut in the account menu, switched on per study user from /admin; v2.25.0

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

server/data.js

@@ -1394,6 +1394,8 @@ export function sanitizeStudyUsers(value) {
       studyRemindersEnabled,
       enrolledStudySlugs,
       completedStudySlugs,
+      // Only the admin panel can set this (see PATCH /api/admin/study-users/:id)
+      adminShortcut: item?.adminShortcut === true,
       currentStreak: Number.isFinite(item?.currentStreak) && item.currentStreak > 0 ? Math.floor(item.currentStreak) : 0,
       longestStreak: Number.isFinite(item?.longestStreak) && item.longestStreak > 0 ? Math.floor(item.longestStreak) : 0,
       lastStudiedDate: typeof item?.lastStudiedDate === 'string' ? item.lastStudiedDate : null,