refactor(contract): 重构客户文件类型相关代码，统一命名和继承结构

- 将 CompanyCustomerFileType 重命名为 CustomerFileType
- 统一相关 VO 和 model 的继承结构，使用 BaseEnumEntity
- 更新所有引用点，保持代码一致性
- 优化表格单元格显示逻辑，使用专用单元格工厂

client/src/main/java/com/ecep/contract/task/ContractVerifyComm.java

@@ -16,7 +16,7 @@ import java.util.stream.Collectors;
 import com.ecep.contract.vo.*;
 import org.springframework.util.StringUtils;
 
-import com.ecep.contract.CompanyCustomerFileType;
+import com.ecep.contract.CustomerFileType;
 import com.ecep.contract.ContractFileType;
 import com.ecep.contract.ContractPayWay;
 import com.ecep.contract.MessageHolder;
@@ -24,9 +24,7 @@ import com.ecep.contract.MyDateTimeUtils;
 import com.ecep.contract.SpringApp;
 import com.ecep.contract.controller.project.cost.ProjectCostImportItemsFromContractsTasker;
 import com.ecep.contract.model.Contract;
-import com.ecep.contract.model.ContractBidVendor;
 import com.ecep.contract.model.ContractFileTypeLocal;
-import com.ecep.contract.model.VendorGroupRequireFileType;
 import com.ecep.contract.service.CompanyCustomerFileService;
 import com.ecep.contract.service.CompanyCustomerService;
 import com.ecep.contract.service.CompanyExtendInfoService;
@@ -690,7 +688,7 @@ public class ContractVerifyComm {
         for (LocalDate verifyDate : verifyDates) {
             CompanyCustomerFileVo customerFile = files.stream()
                     .filter(v -> v.getSignDate() != null && v.isValid())
-                    .filter(v -> v.getType() == CompanyCustomerFileType.EvaluationForm)
+                    .filter(v -> v.getType() == CustomerFileType.EvaluationForm)
                     .filter(v -> MyDateTimeUtils.dateValidFilter(verifyDate, v.getSignDate(),
                             v.getSignDate().plusYears(1), 7))
                     .findFirst().orElse(null);
@@ -701,7 +699,7 @@ public class ContractVerifyComm {
 
         CompanyCustomerFileVo latestFile = files.stream()
                 .filter(v -> v.getSignDate() != null && v.isValid())
-                .filter(v -> v.getType() == CompanyCustomerFileType.EvaluationForm)
+                .filter(v -> v.getType() == CustomerFileType.EvaluationForm)
                 .max(Comparator.comparing(CompanyCustomerFileVo::getSignDate))
                 .orElse(null);