feat: API 연동 개선 및 라이선스 모델 확장

- 라이선스 모델 전면 개편 (상세 필드 추가, 계산 필드 구현)
- API 응답 처리 개선 (HTTP 상태 코드 기반)
- 장비 출고 폼 컨트롤러 추가
- 회사 지점 정보 모델 추가
- 공통 데이터 모델 구조 추가
- 전체 서비스 레이어 API 호출 방식 통일
- UI 컴포넌트 마이너 개선

lib/data/datasources/remote/company_remote_datasource.dart

@@ -1,5 +1,4 @@
 import 'package:dio/dio.dart';
-import 'package:get_it/get_it.dart';
 import 'package:injectable/injectable.dart';
 import 'package:superport/core/constants/api_endpoints.dart';
 import 'package:superport/core/errors/exceptions.dart';
@@ -80,11 +79,11 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
         final apiResponse = ApiResponse<PaginatedResponse<CompanyListDto>>.fromJson(
           response.data,
           (json) => PaginatedResponse<CompanyListDto>.fromJson(
-            json,
-            (item) => CompanyListDto.fromJson(item),
+            json as Map<String, dynamic>,
+            (item) => CompanyListDto.fromJson(item as Map<String, dynamic>),
           ),
         );
-        return apiResponse.data;
+        return apiResponse.data!;
       } else {
         throw ApiException(
           message: 'Failed to load companies',
@@ -108,9 +107,9 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
       if (response.statusCode == 201) {
         final apiResponse = ApiResponse<CompanyResponse>.fromJson(
           response.data,
-          (json) => CompanyResponse.fromJson(json),
+          (json) => CompanyResponse.fromJson(json as Map<String, dynamic>),
         );
-        return apiResponse.data;
+        return apiResponse.data!;
       } else {
         throw ApiException(
           message: 'Failed to create company',
@@ -134,7 +133,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to fetch company detail',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -150,7 +149,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to fetch company with branches',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -167,7 +166,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to update company',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -181,7 +180,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to delete company',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -198,7 +197,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to fetch company names',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -216,7 +215,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to create branch',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -232,7 +231,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to fetch branch detail',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -249,7 +248,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to update branch',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -263,7 +262,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to delete branch',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -280,7 +279,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
     } on DioException catch (e) {
       throw ServerException(
         message: e.response?.data['message'] ?? 'Failed to fetch company branches',
-        code: e.response?.statusCode,
+        statusCode: e.response?.statusCode,
       );
     }
   }
@@ -297,7 +296,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
               .map((item) => CompanyWithBranches.fromJson(item))
               .toList(),
         );
-        return apiResponse.data;
+        return apiResponse.data!;
       } else {
         throw ApiException(
           message: 'Failed to load companies with branches',
@@ -321,9 +320,9 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
       if (response.statusCode == 200) {
         final apiResponse = ApiResponse<Map<String, dynamic>>.fromJson(
           response.data,
-          (json) => json,
+          (json) => json as Map<String, dynamic>,
         );
-        return apiResponse.data['exists'] ?? false;
+        return apiResponse.data?['exists'] ?? false;
       } else {
         throw ApiException(
           message: 'Failed to check duplicate',
@@ -351,7 +350,7 @@ class CompanyRemoteDataSourceImpl implements CompanyRemoteDataSource {
               .map((item) => CompanyListDto.fromJson(item))
               .toList(),
         );
-        return apiResponse.data;
+        return apiResponse.data!;
       } else {
         throw ApiException(
           message: 'Failed to search companies',