feat(ClubTeam): add planned league name field and localization updates

- Introduced a new field for planned league name in the ClubTeam model, allowing for better team categorization.
- Updated create and update club team endpoints to handle the new planned league name field.
- Enhanced the PDF generation feature to include planned league name in the output.
- Improved localization files across multiple languages to incorporate new terms related to the planned league, ensuring a consistent user experience.
- Updated the TeamManagementView to display and edit the planned league name, enhancing user interaction.

backend/controllers/clubTeamController.js

@@ -42,7 +42,7 @@ export const createClubTeam = async (req, res) => {
     try {
         const { authcode: token } = req.headers;
         const { clubid: clubId } = req.params;
-        const { name, leagueId, seasonId, teamGender, teamAgeGroup } = req.body;
+        const { name, leagueId, seasonId, teamGender, teamAgeGroup, plannedLeagueName } = req.body;
         
         const user = await getUserByToken(token);
         
@@ -50,13 +50,17 @@ export const createClubTeam = async (req, res) => {
             return res.status(400).json({ error: "missingname" });
         }
         
+        const planned = plannedLeagueName !== undefined && plannedLeagueName !== null
+            ? String(plannedLeagueName).trim() || null
+            : undefined;
         const clubTeamData = {
             name,
             clubId: parseInt(clubId),
             leagueId: leagueId ? parseInt(leagueId) : null,
             seasonId: seasonId ? parseInt(seasonId) : null,
             teamGender: teamGender || 'open',
-            teamAgeGroup: teamAgeGroup || 'adult'
+            teamAgeGroup: teamAgeGroup || 'adult',
+            ...(planned !== undefined ? { plannedLeagueName: planned } : {})
         };
         
         const newClubTeam = await ClubTeamService.createClubTeam(clubTeamData);
@@ -72,7 +76,7 @@ export const updateClubTeam = async (req, res) => {
     try {
         const { authcode: token } = req.headers;
         const { clubteamid: clubTeamId } = req.params;
-        const { name, leagueId, seasonId, teamGender, teamAgeGroup } = req.body;
+        const { name, leagueId, seasonId, teamGender, teamAgeGroup, plannedLeagueName } = req.body;
         
         const user = await getUserByToken(token);
         
@@ -82,6 +86,11 @@ export const updateClubTeam = async (req, res) => {
         if (seasonId !== undefined) updateData.seasonId = seasonId ? parseInt(seasonId) : null;
         if (teamGender !== undefined) updateData.teamGender = teamGender || 'open';
         if (teamAgeGroup !== undefined) updateData.teamAgeGroup = teamAgeGroup || 'adult';
+        if (plannedLeagueName !== undefined) {
+            updateData.plannedLeagueName = plannedLeagueName === null || plannedLeagueName === ''
+                ? null
+                : String(plannedLeagueName).trim() || null;
+        }
         
         const success = await ClubTeamService.updateClubTeam(clubTeamId, updateData);
         if (!success) {

backend/migrations/20260403_add_planned_league_name_to_club_team.sql

@@ -0,0 +1,6 @@
+-- Optional: manuell gepflegte geplante Spielklasse (unabhängig von league / MyTischtennis)
+
+ALTER TABLE `club_team`
+  ADD COLUMN `planned_league_name` VARCHAR(512) NULL
+    COMMENT 'Geplante Spielklasse (freier Text, optional)'
+    AFTER `team_age_group`;

backend/models/ClubTeam.js

@@ -63,6 +63,12 @@ const ClubTeam = sequelize.define('ClubTeam', {
         defaultValue: 'adult',
         field: 'team_age_group'
     },
+    plannedLeagueName: {
+        type: DataTypes.STRING(512),
+        allowNull: true,
+        field: 'planned_league_name',
+        comment: 'Geplante Spielklasse (manuell, optional)'
+    },
 }, {
     underscored: true,
     tableName: 'club_team',

backend/services/clubTeamService.js

@@ -44,6 +44,7 @@ class ClubTeamService {
                     myTischtennisTeamId: clubTeam.myTischtennisTeamId,
                     teamGender: clubTeam.teamGender,
                     teamAgeGroup: clubTeam.teamAgeGroup,
+                    plannedLeagueName: clubTeam.plannedLeagueName,
                     createdAt: clubTeam.createdAt,
                     updatedAt: clubTeam.updatedAt,
                     league: { name: 'Unbekannt' },