feat: add Kaisertisch feature with view and integration in DiaryView

frontend/src/config/products.js

@@ -65,6 +65,7 @@ export const SIDEBAR_NAVIGATION = {
       items: [
         { to: '/members', icon: '👥', labelKey: 'navigation.members', permission: ['members', 'read'] },
         { to: '/diary', icon: '📝', labelKey: 'navigation.diary', permission: ['diary', 'read'] },
+        { to: '/kaisertisch', icon: '🏓', label: 'Kaisertisch' },
         {
           to: '/calendar',
           icon: '📆',

frontend/src/router.js

@@ -18,6 +18,7 @@ const CreateClub = () => import('./views/CreateClub.vue');
 const ClubView = () => import('./views/ClubView.vue');
 const MembersView = () => import('./views/MembersView.vue');
 const DiaryView = () => import('./views/DiaryView.vue');
+const KaisertischView = () => import('./views/KaisertischView.vue');
 const CalendarView = () => import('./views/CalendarView.vue');
 const PendingApprovalsView = () => import('./views/PendingApprovalsView.vue');
 const ScheduleView = () => import('./views/ScheduleView.vue');
@@ -175,6 +176,7 @@ const routes = [
   { path: '/showclub/:clubId', name: 'show-club', component: ClubView, meta: withMeta({ products: fullAppProducts }) },
   { path: '/members', name: 'members', component: MembersView, meta: withMeta({ products: fullAppProducts, permission: ['members', 'read'] }) },
   { path: '/diary', name: 'diary', component: DiaryView, meta: withMeta({ products: trainerOnly }) },
+  { path: '/kaisertisch', name: 'kaisertisch', component: KaisertischView, meta: withMeta({ products: trainerOnly }) },
   { path: '/calendar', name: 'calendar', component: CalendarView, meta: withMeta({ products: allProducts, anyPermission: [['diary', 'read'], ['schedule', 'read'], ['tournaments', 'read']] }) },
   { path: '/pending-approvals', name: 'pending-approvals', component: PendingApprovalsView, meta: withMeta({ products: fullAppProducts, capability: 'approvals' }) },
   { path: '/schedule', name: 'schedule', component: ScheduleView, meta: withMeta({ products: fullAppProducts, permission: ['schedule', 'read'] }) },

frontend/src/views/DiaryView.vue

@@ -179,6 +179,14 @@
                             >
                                 {{ $t('diary.trainingDaySummaryPdfShort') }}
                             </button>
+                            <button
+                                v-if="date && date.id"
+                                type="button"
+                                aria-label="Kaisertisch für diesen Trainingstag starten"
+                                @click="startKaisertisch"
+                            >
+                                🏓 Kaisertisch starten
+                            </button>
                         </div>
                     </div>
                     <div style="overflow: visible; position: relative;">
@@ -2964,6 +2972,10 @@ export default {
             pdf.addTrainingPlan(this.currentClubName, this.date.date, this.trainingStart, this.trainingEnd, this.trainingPlan);
             pdf.save('trainingsplan.pdf');
         },
+        startKaisertisch() {
+            if (!this.date?.id) return;
+            this.$router.push({ path: '/kaisertisch', query: { dateId: String(this.date.id) } });
+        },
         async generateTrainingDayPDF() {
             if (!this.date || !this.participants || this.participants.length === 0) {
                 this.showInfo('Fehler', 'Keine Teilnehmer für diesen Trainingstag vorhanden.', '', 'error');