feat:법인차량관리 테이블 생성 (corporate_vehicles)

- 기본 정보: 차량번호, 모델, 종류, 구분, 연식, 운전자, 상태, 주행거리, 메모
- 법인차량 전용: 취득일, 취득가
- 렌트/리스 전용: 계약일자, 회사명, 연락처, 기간, 약정운행거리, 차량가격, 잔존가액, 보증금, 월 렌트료(공급가/세액), 보험사 정보

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

database/migrations/2026_02_02_220000_create_corporate_vehicles_table.php

@@ -0,0 +1,56 @@
+<?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('corporate_vehicles', function (Blueprint $table) {
+            $table->id();
+            $table->unsignedBigInteger('tenant_id')->index();
+
+            // 기본 정보
+            $table->string('plate_number', 20)->comment('차량번호');
+            $table->string('model', 100)->comment('모델명');
+            $table->string('vehicle_type', 20)->comment('종류: 승용차, 승합차, 화물차, SUV');
+            $table->enum('ownership_type', ['corporate', 'rent', 'lease'])->default('corporate')->comment('구분: 법인, 렌트, 리스');
+            $table->year('year')->nullable()->comment('연식');
+            $table->string('driver', 50)->nullable()->comment('운전자');
+            $table->enum('status', ['active', 'maintenance', 'disposed'])->default('active')->comment('상태');
+            $table->unsignedInteger('mileage')->default(0)->comment('주행거리(km)');
+            $table->text('memo')->nullable()->comment('메모');
+
+            // 법인차량 전용
+            $table->date('purchase_date')->nullable()->comment('취득일');
+            $table->unsignedBigInteger('purchase_price')->default(0)->comment('취득가');
+
+            // 렌트/리스 전용
+            $table->date('contract_date')->nullable()->comment('계약일자');
+            $table->string('rent_company', 100)->nullable()->comment('렌트/리스회사명');
+            $table->string('rent_company_tel', 20)->nullable()->comment('회사 연락처');
+            $table->string('rent_period', 20)->nullable()->comment('렌트/리스기간');
+            $table->string('agreed_mileage', 20)->nullable()->comment('약정운행거리');
+            $table->unsignedBigInteger('vehicle_price')->default(0)->comment('차량가격');
+            $table->unsignedBigInteger('residual_value')->default(0)->comment('추정잔존가액');
+            $table->unsignedBigInteger('deposit')->default(0)->comment('보증금');
+            $table->unsignedBigInteger('monthly_rent')->default(0)->comment('월 렌트료 공급가액');
+            $table->unsignedBigInteger('monthly_rent_tax')->default(0)->comment('월 렌트료 세액');
+            $table->string('insurance_company', 100)->nullable()->comment('보험사명');
+            $table->string('insurance_company_tel', 20)->nullable()->comment('보험사 연락처');
+
+            $table->timestamps();
+            $table->softDeletes();
+
+            $table->index(['tenant_id', 'ownership_type']);
+            $table->index(['tenant_id', 'status']);
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('corporate_vehicles');
+    }
+};