Pushover: Emergency-Priorität mit Retry, has_pushover Badge in Admin

backend/src/routes/admin.js

@@ -31,7 +31,13 @@ router.post('/restore', authenticate, requireAdmin, upload.single('database'), (
 
 // GET /api/admin/users – alle Benutzer mit Statistiken
 router.get('/users', authenticate, requireAdmin, (req, res) => {
-  const users = db.prepare("SELECT id, username, role, created_at, last_active_at FROM users ORDER BY role DESC, username").all();
+  const users = db.prepare(`
+    SELECT u.id, u.username, u.role, u.created_at, u.last_active_at,
+      CASE WHEN p.user_id IS NOT NULL THEN 1 ELSE 0 END as has_pushover
+    FROM users u
+    LEFT JOIN pushover_settings p ON p.user_id = u.id
+    ORDER BY u.role DESC, u.username
+  `).all();
   const stats = users.map(u => {
     const archiv     = db.prepare('SELECT COUNT(*) c FROM calculations WHERE user_id=?').get(u.id).c;
     const bestellung = db.prepare('SELECT COUNT(*) c FROM orders WHERE user_id=?').get(u.id).c;