Finanzverwaltung und Saison-System

Neues Einnahmen-/Ausgaben-Modul mit Kategorie-Filter, Monats-Charts und
Saison-basierter Filterung. Saison-Verwaltung im Admin-Bereich mit
Möglichkeit zum Wechsel der aktuellen Saison.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

lang/en/admin.php

@@ -565,6 +565,9 @@ return [
     'stats_total_shots' => 'Total shots',
     'stats_gk_appearances' => 'GK appearances',
     'stats_total_saves' => 'Total saves',
+    'stats_penalties' => 'Penalties',
+    'stats_cards' => 'Cards',
+    'stats_avg_time' => 'Avg. time',
     'stats_close' => 'Close',
     'player_goals' => 'Goals',
 
@@ -575,4 +578,52 @@ return [
     'performance_good' => 'Good',
     'performance_average' => 'Average',
     'performance_below' => 'Below average',
+
+    // Finances
+    'nav_finances' => 'Finances',
+    'finances_title' => 'Finances',
+    'new_finance' => 'New Entry',
+    'finance_edit' => 'Edit Entry',
+    'finance_created' => 'Entry created successfully.',
+    'finance_updated' => 'Entry updated successfully.',
+    'finance_deleted' => 'Entry deleted successfully.',
+    'finance_income' => 'Income',
+    'finance_expense' => 'Expense',
+    'finance_type' => 'Type',
+    'finance_category' => 'Category',
+    'finance_title' => 'Title',
+    'finance_amount' => 'Amount',
+    'finance_date' => 'Date',
+    'finance_notes' => 'Notes',
+    'finance_no_team' => 'No team (club-wide)',
+    'finance_total_income' => 'Total Income',
+    'finance_total_expense' => 'Total Expenses',
+    'finance_balance' => 'Balance',
+    'finance_no_entries' => 'No entries yet.',
+    'finance_chart_monthly' => 'Monthly Overview',
+    'finance_chart_categories' => 'Breakdown by Category',
+    'finance_confirm_delete' => 'Really delete this entry?',
+    'finance_all_types' => 'All Types',
+    'finance_all_categories' => 'All Categories',
+
+    // Seasons
+    'season' => 'Season',
+    'seasons_title' => 'Seasons',
+    'season_name' => 'Name',
+    'season_start' => 'Start Date',
+    'season_end' => 'End Date',
+    'season_current' => 'Current Season',
+    'season_created' => 'Season created.',
+    'season_updated' => 'Season updated.',
+    'season_deleted' => 'Season deleted.',
+    'season_has_data' => 'Season cannot be deleted (financial data exists).',
+    'season_confirm_delete' => 'Really delete this season?',
+    'all_seasons' => 'All Seasons',
+    'no_seasons_yet' => 'No seasons created yet.',
+    'new_season' => 'Create New Season',
+    'settings_tab_seasons' => 'Seasons',
+    'filter_year' => 'Year',
+
+    // Visibility
+    'visibility_feature_finances' => 'Finances',
 ];