feat: 添加VendorGroupRequireFileTypeVo及相关服务功能

refactor: 重构多个服务类和方法，优化代码结构
fix: 修复PermissionVo中code字段更名为key的问题
docs: 更新create_vo.md文档，添加新创建的VO记录
perf: 优化WebSocketClientService中的session关闭逻辑
style: 清理无用导入和注释，统一代码格式

common/src/main/java/com/ecep/contract/model/Company.java

@@ -44,7 +44,7 @@ public class Company implements IdentityEntity, NamedEntity, BasedEntity, Serial
      * 统一社会信用代码
      * <p>
      * 编码结构
-     * 
+     *
      * <pre>
      * 1 | 1 | 6 | 9 | 1 < br > 登记管理部门代码 | 机构类别代码 | 登记管理机关行政区划码 | 主体标识码 | 校验码
      * </pre>
@@ -205,7 +205,7 @@ public class Company implements IdentityEntity, NamedEntity, BasedEntity, Serial
         vo.setName(name);
         vo.setUniscid(getUniscid());
         vo.setShortName(getShortName());
-        vo.setPathExist(getPathExist());
+        vo.setPathExist(getPathExist() != null && getPathExist());
         vo.setPath(getPath());
         vo.setCreated(getCreated());
         vo.setEntStatus(getEntStatus());

common/src/main/java/com/ecep/contract/vo/ContractPayPlanVo.java

@@ -10,8 +10,14 @@ import lombok.Data;
 @Data
 public class ContractPayPlanVo implements IdentityEntity, ContractBasedVo {
     private Integer id;
+    /**
+     * 关联的合同对象, Contract
+     */
     private Integer contractId;
+
+
     private Integer refId;
+    private float payRatio;
     private Double payCurrency;
     private LocalDate payDate;
     private LocalDateTime updateDate;

common/src/main/java/com/ecep/contract/vo/DeliverySignMethodVo.java

@@ -13,7 +13,6 @@ public class DeliverySignMethodVo implements IdentityEntity, NamedEntity {
     private String name;
     private String code;
     private Integer saleTypeId;
-    private String saleTypeName;
     private String description;
     private boolean active = false;
     private LocalDate created;

common/src/main/java/com/ecep/contract/vo/PermissionVo.java

@@ -8,7 +8,7 @@ public class PermissionVo implements IdentityEntity {
     private Integer id;
     private Integer functionId;
     private String name;
-    private String code;
+    private String key;
     private String description;
     private Boolean active;
 }

common/src/main/java/com/ecep/contract/vo/VendorGroupRequireFileTypeVo.java

@@ -0,0 +1,14 @@
+package com.ecep.contract.vo;
+
+import com.ecep.contract.ContractFileType;
+import com.ecep.contract.model.IdentityEntity;
+
+import lombok.Data;
+
+@Data
+public class VendorGroupRequireFileTypeVo implements IdentityEntity {
+    private Integer id;
+    private Integer groupId;
+    private ContractFileType fileType;
+    private ContractFileType.Frequency frequency;
+}