feat: add room management functionality for admins with listing and deletion options

server/routes/admin.js

@@ -362,4 +362,28 @@ router.delete('/oauth', authenticateToken, requireAdmin, async (req, res) => {
   }
 });
 
+// ── Room Management (admin only) ────────────────────────────────────────────
+
+// GET /api/admin/rooms - List all rooms with owner info
+router.get('/rooms', authenticateToken, requireAdmin, async (req, res) => {
+  try {
+    const db = getDb();
+    const rooms = await db.all(`
+      SELECT r.id, r.uid, r.name, r.user_id, r.max_participants, r.access_code,
+             r.mute_on_join, r.record_meeting, r.guest_access, r.presentation_file,
+             r.created_at, r.updated_at,
+             COALESCE(NULLIF(u.display_name,''), u.name) as owner_name,
+             u.email as owner_email,
+             (SELECT COUNT(*) FROM room_shares rs WHERE rs.room_id = r.id) as share_count
+      FROM rooms r
+      JOIN users u ON r.user_id = u.id
+      ORDER BY r.created_at DESC
+    `);
+    res.json({ rooms });
+  } catch (err) {
+    log.admin.error(`List rooms error: ${err.message}`);
+    res.status(500).json({ error: 'Rooms could not be loaded' });
+  }
+});
+
 export default router;

src/i18n/de.json

@@ -484,7 +484,20 @@
     "oauthRemoveConfirm": "OAuth-Konfiguration wirklich entfernen? Benutzer können sich dann nicht mehr per SSO anmelden.",
     "oauthNotConfigured": "OAuth ist noch nicht konfiguriert.",
     "oauthSave": "OAuth speichern",
-    "oauthRemove": "OAuth entfernen"
+    "oauthRemove": "OAuth entfernen",
+    "roomsTitle": "Raumverwaltung",
+    "roomsDescription": "Alle Räume der Instanz einsehen, verwalten und bei Bedarf löschen.",
+    "searchRooms": "Räume suchen...",
+    "roomName": "Name",
+    "roomOwner": "Besitzer",
+    "roomShares": "Geteilt",
+    "roomCreated": "Erstellt",
+    "roomView": "Raum öffnen",
+    "deleteRoom": "Raum löschen",
+    "deleteRoomConfirm": "Raum \"{name}\" wirklich löschen? Dies kann nicht rückgängig gemacht werden.",
+    "roomDeleted": "Raum gelöscht",
+    "roomDeleteFailed": "Raum konnte nicht gelöscht werden",
+    "noRoomsFound": "Keine Räume vorhanden"
   },
   "notifications": {
     "bell": "Benachrichtigungen",

src/i18n/en.json

@@ -484,7 +484,20 @@
     "oauthRemoveConfirm": "Really remove OAuth configuration? Users will no longer be able to sign in with SSO.",
     "oauthNotConfigured": "OAuth is not configured yet.",
     "oauthSave": "Save OAuth",
-    "oauthRemove": "Remove OAuth"
+    "oauthRemove": "Remove OAuth",
+    "roomsTitle": "Room Management",
+    "roomsDescription": "View, manage, and delete all rooms on this instance.",
+    "searchRooms": "Search rooms...",
+    "roomName": "Name",
+    "roomOwner": "Owner",
+    "roomShares": "Shared",
+    "roomCreated": "Created",
+    "roomView": "View room",
+    "deleteRoom": "Delete room",
+    "deleteRoomConfirm": "Really delete room \"{name}\"? This cannot be undone.",
+    "roomDeleted": "Room deleted",
+    "roomDeleteFailed": "Room could not be deleted",
+    "noRoomsFound": "No rooms found"
   },
   "notifications": {
     "bell": "Notifications",

src/pages/Admin.jsx

@@ -4,7 +4,7 @@ import {
   Users, Shield, Search, Trash2, ChevronDown, Loader2,
   MoreVertical, Key, UserCheck, UserX, UserPlus, Mail, Lock, User,
   Upload, X as XIcon, Image, Type, Palette, Send, Copy, Clock, Check,
-  ShieldCheck, Globe, Link as LinkIcon, LogIn,
+  ShieldCheck, Globe, Link as LinkIcon, LogIn, DoorOpen, Eye, ExternalLink,
 } from 'lucide-react';
 import { useAuth } from '../contexts/AuthContext';
 import { useLanguage } from '../contexts/LanguageContext';
@@ -55,6 +55,11 @@ export default function Admin() {
   const [oauthForm, setOauthForm] = useState({ issuer: '', clientId: '', clientSecret: '', displayName: 'SSO', autoRegister: true });
   const [savingOauth, setSavingOauth] = useState(false);
 
+  // Rooms state
+  const [adminRooms, setAdminRooms] = useState([]);
+  const [adminRoomsLoading, setAdminRoomsLoading] = useState(true);
+  const [roomSearch, setRoomSearch] = useState('');
+
   useEffect(() => {
     if (user?.role !== 'admin') {
       navigate('/dashboard');
@@ -63,6 +68,7 @@ export default function Admin() {
     fetchUsers();
     fetchInvites();
     fetchOauthConfig();
+    fetchAdminRooms();
   }, [user]);
 
   useEffect(() => {
@@ -101,6 +107,29 @@ export default function Admin() {
     }
   };
 
+  const fetchAdminRooms = async () => {
+    setAdminRoomsLoading(true);
+    try {
+      const res = await api.get('/admin/rooms');
+      setAdminRooms(res.data.rooms);
+    } catch {
+      // silently fail
+    } finally {
+      setAdminRoomsLoading(false);
+    }
+  };
+
+  const handleAdminDeleteRoom = async (uid, name) => {
+    if (!confirm(t('admin.deleteRoomConfirm', { name }))) return;
+    try {
+      await api.delete(`/rooms/${uid}`);
+      toast.success(t('admin.roomDeleted'));
+      fetchAdminRooms();
+    } catch (err) {
+      toast.error(err.response?.data?.error || t('admin.roomDeleteFailed'));
+    }
+  };
+
   const handleRoleChange = async (userId, newRole) => {
     try {
       await api.put(`/admin/users/${userId}/role`, { role: newRole });
@@ -790,6 +819,114 @@ export default function Admin() {
         )}
       </div>
 
+      {/* Room Management */}
+      <div className="card p-6 mb-8">
+        <div className="flex items-center gap-2 mb-4">
+          <DoorOpen size={20} className="text-th-accent" />
+          <h2 className="text-lg font-semibold text-th-text">{t('admin.roomsTitle')}</h2>
+        </div>
+        <p className="text-sm text-th-text-s mb-5">{t('admin.roomsDescription')}</p>
+
+        {adminRoomsLoading ? (
+          <div className="flex justify-center py-4">
+            <Loader2 size={20} className="animate-spin text-th-accent" />
+          </div>
+        ) : (
+          <>
+            {/* Room search */}
+            <div className="relative mb-4">
+              <Search size={16} className="absolute left-3 top-1/2 -translate-y-1/2 text-th-text-s" />
+              <input
+                type="text"
+                value={roomSearch}
+                onChange={e => setRoomSearch(e.target.value)}
+                className="input-field pl-9 text-sm"
+                placeholder={t('admin.searchRooms')}
+              />
+            </div>
+
+            <div className="overflow-x-auto">
+              <table className="w-full">
+                <thead>
+                  <tr className="border-b border-th-border">
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.roomName')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden sm:table-cell">
+                      {t('admin.roomOwner')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden md:table-cell">
+                      {t('admin.roomShares')}
+                    </th>
+                    <th className="text-left text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5 hidden lg:table-cell">
+                      {t('admin.roomCreated')}
+                    </th>
+                    <th className="text-right text-xs font-semibold text-th-text-s uppercase tracking-wider px-4 py-2.5">
+                      {t('admin.actions')}
+                    </th>
+                  </tr>
+                </thead>
+                <tbody>
+                  {adminRooms
+                    .filter(r =>
+                      r.name.toLowerCase().includes(roomSearch.toLowerCase()) ||
+                      r.owner_name.toLowerCase().includes(roomSearch.toLowerCase()) ||
+                      r.uid.toLowerCase().includes(roomSearch.toLowerCase())
+                    )
+                    .map(r => (
+                      <tr key={r.id} className="border-b border-th-border last:border-0 hover:bg-th-hover transition-colors">
+                        <td className="px-4 py-3">
+                          <div>
+                            <p className="text-sm font-medium text-th-text">{r.name}</p>
+                            <p className="text-xs text-th-text-s font-mono">{r.uid}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 hidden sm:table-cell">
+                          <div>
+                            <p className="text-sm text-th-text">{r.owner_name}</p>
+                            <p className="text-xs text-th-text-s">{r.owner_email}</p>
+                          </div>
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text hidden md:table-cell">
+                          {r.share_count}
+                        </td>
+                        <td className="px-4 py-3 text-sm text-th-text-s hidden lg:table-cell">
+                          {new Date(r.created_at).toLocaleDateString(language === 'de' ? 'de-DE' : 'en-US')}
+                        </td>
+                        <td className="px-4 py-3">
+                          <div className="flex items-center justify-end gap-1">
+                            <button
+                              onClick={() => navigate(`/rooms/${r.uid}`)}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-text-s transition-colors"
+                              title={t('admin.roomView')}
+                            >
+                              <Eye size={15} />
+                            </button>
+                            <button
+                              onClick={() => handleAdminDeleteRoom(r.uid, r.name)}
+                              className="p-1.5 rounded-lg hover:bg-th-hover text-th-error transition-colors"
+                              title={t('admin.deleteRoom')}
+                            >
+                              <Trash2 size={15} />
+                            </button>
+                          </div>
+                        </td>
+                      </tr>
+                    ))}
+                </tbody>
+              </table>
+            </div>
+
+            {adminRooms.length === 0 && (
+              <div className="text-center py-8">
+                <DoorOpen size={36} className="mx-auto text-th-text-s/40 mb-2" />
+                <p className="text-th-text-s text-sm">{t('admin.noRoomsFound')}</p>
+              </div>
+            )}
+          </>
+        )}
+      </div>
+
       {/* Search */}
       <div className="card p-4 mb-6">
         <div className="relative">