Update MyTischtennis model to use LONGTEXT for encrypted fields and enhance TeamManagementView with season change handling and async loading

frontend/src/views/TeamManagementView.vue

@@ -801,9 +801,12 @@ export default {
     };
     
     const onSeasonChange = (season) => {
-      currentSeason.value = season;
-      loadTeams();
-      loadLeagues();
+      if (season) {
+        currentSeason.value = season;
+        selectedSeasonId.value = season.id;
+        loadTeams();
+        loadLeagues();
+      }
     };
     
     // Load scheduler jobs info
@@ -849,11 +852,19 @@ export default {
     };
     
     // Lifecycle
-    onMounted(() => {
+    onMounted(async () => {
       // Lade Ligen beim ersten Laden der Seite (ohne Saison-Filter)
-      loadLeagues();
+      await loadLeagues();
       // Lade Job-Informationen
-      loadSchedulerJobsInfo();
+      await loadSchedulerJobsInfo();
+      
+      // Warte kurz, damit SeasonSelector die Saison setzen kann
+      // Dann lade Teams, falls eine Saison ausgewählt wurde
+      setTimeout(() => {
+        if (selectedSeasonId.value && selectedClub.value) {
+          loadTeams();
+        }
+      }, 100);
     });
     
     // PDF-Dialog Funktionen
@@ -1222,6 +1233,14 @@ export default {
       }
     });
     
+    // Watch selectedSeasonId to load teams when season changes
+    watch(selectedSeasonId, (newSeasonId) => {
+      if (newSeasonId && selectedClub.value) {
+        loadTeams();
+        loadLeagues();
+      }
+    });
+    
     const validateTeamDocumentFile = async (file, label) => {
       if (!file) {
         return false;