feat: 대시보드에 라이선스 만료 요약 및 Lookup 데이터 캐싱 시스템 구현

- License Expiry Summary API 연동 완료
  - 30/60/90일 내 만료 예정 라이선스 요약 표시
  - 대시보드 상단에 알림 카드로 통합
  - 만료 임박 순서로 색상 구분 (빨강/주황/노랑)

- Lookup 데이터 전역 캐싱 시스템 구축
  - LookupService 및 RemoteDataSource 생성
  - 전체 lookup 데이터 일괄 로드 및 캐싱
  - 타입별 필터링 지원

- 새로운 모델 추가
  - LicenseExpirySummary (Freezed)
  - LookupData, LookupCategory, LookupItem 모델

- CLAUDE.md 문서 업데이트
  - 미사용 API 활용 계획 추가
  - 구현 우선순위 정의

🤖 Generated with Claude Code

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

lib/data/models/lookups/lookup_data.g.dart

@@ -0,0 +1,63 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'lookup_data.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_$LookupDataImpl _$$LookupDataImplFromJson(Map<String, dynamic> json) =>
+    _$LookupDataImpl(
+      equipmentTypes: (json['equipment_types'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      equipmentStatuses: (json['equipment_statuses'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      licenseTypes: (json['license_types'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      manufacturers: (json['manufacturers'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      userRoles: (json['user_roles'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      companyStatuses: (json['company_statuses'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+      warehouseTypes: (json['warehouse_types'] as List<dynamic>)
+          .map((e) => LookupItem.fromJson(e as Map<String, dynamic>))
+          .toList(),
+    );
+
+Map<String, dynamic> _$$LookupDataImplToJson(_$LookupDataImpl instance) =>
+    <String, dynamic>{
+      'equipment_types': instance.equipmentTypes,
+      'equipment_statuses': instance.equipmentStatuses,
+      'license_types': instance.licenseTypes,
+      'manufacturers': instance.manufacturers,
+      'user_roles': instance.userRoles,
+      'company_statuses': instance.companyStatuses,
+      'warehouse_types': instance.warehouseTypes,
+    };
+
+_$LookupItemImpl _$$LookupItemImplFromJson(Map<String, dynamic> json) =>
+    _$LookupItemImpl(
+      code: json['code'] as String,
+      name: json['name'] as String,
+      description: json['description'] as String?,
+      displayOrder: (json['display_order'] as num?)?.toInt(),
+      isActive: json['is_active'] as bool? ?? true,
+      metadata: json['metadata'] as Map<String, dynamic>?,
+    );
+
+Map<String, dynamic> _$$LookupItemImplToJson(_$LookupItemImpl instance) =>
+    <String, dynamic>{
+      'code': instance.code,
+      'name': instance.name,
+      'description': instance.description,
+      'display_order': instance.displayOrder,
+      'is_active': instance.isActive,
+      'metadata': instance.metadata,
+    };