feat:테넌트설정 API 및 다수 서비스 개선

- TenantSetting CRUD API 추가
- Calendar, Entertainment, VAT 서비스 개선
- 5130 BOM 계산 로직 수정
- quote_items에 item_type 컬럼 추가
- tenant_settings 테이블 마이그레이션
- Swagger 문서 업데이트

app/Http/Requests/TenantSetting/BulkUpdateSettingsRequest.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Requests\TenantSetting;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class BulkUpdateSettingsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'group' => 'required|string|max:50',
+            'settings' => 'required|array',
+            'settings.*.key' => 'required|string|max:100',
+            'settings.*.value' => 'required',
+            'settings.*.description' => 'nullable|string|max:255',
+        ];
+    }
+}

app/Http/Requests/TenantSetting/GetSettingsRequest.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Http\Requests\TenantSetting;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class GetSettingsRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'group' => 'sometimes|string|max:50',
+        ];
+    }
+}

app/Http/Requests/TenantSetting/UpdateSettingRequest.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Http\Requests\TenantSetting;
+
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateSettingRequest extends FormRequest
+{
+    public function authorize(): bool
+    {
+        return true;
+    }
+
+    public function rules(): array
+    {
+        return [
+            'group' => 'required|string|max:50',
+            'key' => 'required|string|max:100',
+            'value' => 'required',
+            'description' => 'nullable|string|max:255',
+        ];
+    }
+}