feat:차량정비이력 실제 DB 연동 구현

app/Models/VehicleMaintenance.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\SoftDeletes;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class VehicleMaintenance extends Model
+{
+    use HasFactory, SoftDeletes;
+
+    protected $fillable = [
+        'tenant_id',
+        'vehicle_id',
+        'date',
+        'category',
+        'description',
+        'amount',
+        'mileage',
+        'vendor',
+        'memo',
+    ];
+
+    protected $casts = [
+        'date' => 'date',
+        'amount' => 'integer',
+        'mileage' => 'integer',
+    ];
+
+    /**
+     * 차량 관계
+     */
+    public function vehicle(): BelongsTo
+    {
+        return $this->belongsTo(CorporateVehicle::class, 'vehicle_id');
+    }
+
+    /**
+     * 테넌트 관계
+     */
+    public function tenant(): BelongsTo
+    {
+        return $this->belongsTo(Tenant::class);
+    }
+
+    /**
+     * 카테고리 목록
+     */
+    public static function getCategories(): array
+    {
+        return ['주유', '정비', '보험', '세차', '주차', '통행료', '검사', '기타'];
+    }
+}