feat(tournament): update mini championship creation to include location

- Modified addMiniChampionship method to accept location (ort) instead of tournament name.
- Updated frontend components to reflect the change, including new input for location and localization updates for German language support.
- Enhanced validation to ensure location is provided during mini championship creation.

frontend/src/i18n/locales/de.json

@@ -565,6 +565,7 @@
     "newMiniChampionship": "Neue Minimeisterschaft",
     "miniChampionshipYear": "Jahr (Altersstufen)",
     "miniChampionshipYearHint": "12 = in diesem Jahr 11 oder 12 Jahre, 10 = 9 oder 10, 8 = 8 oder jünger",
+    "miniChampionshipLocation": "Ort",
     "tournamentParticipations": "Turnierteilnahmen",
     "date": "Datum",
     "newTournament": "Neues Turnier",

frontend/src/views/TournamentTab.vue

@@ -24,8 +24,8 @@
             <div v-if="selectedDate === 'new'" class="new-tournament">
                 <template v-if="isMiniChampionship">
                     <label>
-                        {{ $t('tournaments.name') }}:
-                        <input type="text" v-model="newTournamentName" :placeholder="$t('tournaments.tournamentName')" />
+                        {{ $t('tournaments.miniChampionshipLocation') }}:
+                        <input type="text" v-model="newMiniOrt" :placeholder="$t('tournaments.miniChampionshipLocation')" />
                     </label>
                     <label>
                         {{ $t('tournaments.date') }}:
@@ -334,6 +334,7 @@ export default {
             newTournamentName: '',
             newWinningSets: 3,
             newMiniYear: new Date().getFullYear(),
+            newMiniOrt: '',
             currentTournamentName: '',
             currentTournamentDate: '',
             currentWinningSets: 3,
@@ -1610,6 +1611,11 @@ export default {
         },
 
         async createMiniChampionship() {
+            const ort = (this.newMiniOrt || '').trim();
+            if (!ort) {
+                await this.showInfo(this.$t('messages.error'), this.$t('tournaments.miniChampionshipLocation') + ' eingeben.', '', 'error');
+                return;
+            }
             if (!this.newDate) {
                 await this.showInfo(this.$t('messages.error'), this.$t('tournaments.pleaseEnterDate'), '', 'error');
                 return;
@@ -1622,7 +1628,7 @@ export default {
             try {
                 const r = await apiClient.post('/tournament/mini', {
                     clubId: this.currentClub,
-                    tournamentName: this.newTournamentName || (`Minimeisterschaft ${year}`),
+                    ort,
                     date: this.newDate,
                     year,
                     winningSets: this.newWinningSets
@@ -1631,7 +1637,7 @@ export default {
                 await this.loadTournaments();
                 this.selectedDate = newTournamentId;
                 this.newDate = '';
-                this.newTournamentName = '';
+                this.newMiniOrt = '';
                 this.newMiniYear = new Date().getFullYear();
                 this.newWinningSets = 3;
             } catch (error) {