feat: Präsentationsmodus (Schloss-Button) + Version 1.3.5

src/components/layout/topbar.tsx

@@ -39,6 +39,8 @@ import {
   Shield,
   MapPin,
   HelpCircle,
+  Lock,
+  Unlock,
 } from 'lucide-react'
 import { HoseSettingsDialog } from '@/components/dialogs/hose-settings-dialog'
 import type { Project, DrawFeature } from '@/types'
@@ -66,6 +68,8 @@ interface TopbarProps {
   userRole?: string
   onLogout?: () => void
   onStartTour?: () => void
+  presentationLocked?: boolean
+  onTogglePresentationLock?: () => void
 }
 
 export function Topbar({
@@ -89,6 +93,8 @@ export function Topbar({
   userRole,
   onLogout,
   onStartTour,
+  presentationLocked,
+  onTogglePresentationLock,
 }: TopbarProps) {
   const [isLoadDialogOpen, setIsLoadDialogOpen] = useState(false)
   const [isHoseSettingsOpen, setIsHoseSettingsOpen] = useState(false)
@@ -172,6 +178,16 @@ export function Topbar({
             <span className="hidden lg:inline">{isSaving ? 'Speichern...' : 'Speichern'}</span>
           </Button>
 
+          <Button
+            variant={presentationLocked ? 'default' : 'outline'}
+            className={`h-9 md:h-10 px-2 md:px-3 text-sm ${presentationLocked ? 'bg-amber-600 hover:bg-amber-700 text-white border-amber-600' : ''}`}
+            onClick={onTogglePresentationLock}
+            title={presentationLocked ? 'Präsentationsmodus deaktivieren' : 'Präsentationsmodus aktivieren'}
+          >
+            {presentationLocked ? <Lock className="w-5 h-5 md:mr-1" /> : <Unlock className="w-5 h-5 md:mr-1" />}
+            <span className="hidden lg:inline">{presentationLocked ? 'Gesperrt' : 'Frei'}</span>
+          </Button>
+
           <DropdownMenu>
             <DropdownMenuTrigger asChild>
               <Button variant="outline" className="h-9 md:h-10 px-2 md:px-3 text-sm" title="Menü">