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>

app/Models/Finance.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace App\Models;
+
+use App\Enums\FinanceCategory;
+use App\Enums\FinanceType;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Finance extends Model
+{
+    protected $fillable = ['team_id', 'type', 'category', 'title', 'amount', 'date', 'notes'];
+
+    protected function casts(): array
+    {
+        return [
+            'type' => FinanceType::class,
+            'category' => FinanceCategory::class,
+            'date' => 'date',
+            'amount' => 'integer',
+        ];
+    }
+
+    public function team(): BelongsTo
+    {
+        return $this->belongsTo(Team::class);
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+
+    public function getFormattedAmountAttribute(): string
+    {
+        return number_format($this->amount / 100, 2, ',', '.') . ' €';
+    }
+}

app/Models/Season.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Season extends Model
+{
+    protected $fillable = ['name', 'start_date', 'end_date', 'is_current'];
+
+    protected function casts(): array
+    {
+        return [
+            'start_date' => 'date',
+            'end_date' => 'date',
+            'is_current' => 'boolean',
+        ];
+    }
+
+    public function scopeCurrent($query)
+    {
+        return $query->where('is_current', true);
+    }
+
+    public static function current(): ?self
+    {
+        return static::where('is_current', true)->first();
+    }
+
+    public static function options(): array
+    {
+        return static::orderByDesc('start_date')->pluck('name', 'id')->toArray();
+    }
+}