feat:차량정비이력 테이블 마이그레이션 추가

database/migrations/2026_02_03_195000_create_vehicle_maintenances_table.php

@@ -0,0 +1,37 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('vehicle_maintenances', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('tenant_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('vehicle_id')->constrained('corporate_vehicles')->cascadeOnDelete();
+
+            $table->date('date');                              // 날짜
+            $table->string('category', 20);                    // 분류 (주유, 정비, 보험, 세차, 주차, 통행료, 검사, 기타)
+            $table->string('description', 200)->nullable();    // 내용
+            $table->unsignedBigInteger('amount')->default(0);  // 금액
+            $table->unsignedInteger('mileage')->nullable();    // 주행거리(km)
+            $table->string('vendor', 100)->nullable();         // 거래처
+            $table->text('memo')->nullable();                  // 메모
+
+            $table->timestamps();
+            $table->softDeletes();
+
+            // 인덱스
+            $table->index(['tenant_id', 'vehicle_id', 'date']);
+            $table->index(['tenant_id', 'category']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('vehicle_maintenances');
+    }
+};