feat: 添加日志配置和Logback依赖

refactor: 重构实体类equals和hashCode方法

fix: 修复WebSocketService消息发送逻辑

style: 格式化代码和优化导入

docs: 更新JacksonConfig日期序列化格式

test: 添加CompanyFilePathTableCell测试类

chore: 清理无用代码和注释

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

@@ -2,6 +2,9 @@ package com.ecep.contract.model;
 
 import java.io.Serializable;
 import java.util.Map;
+import java.util.Objects;
+
+import com.ecep.contract.util.HibernateProxyUtils;
 
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
@@ -27,7 +30,7 @@ import lombok.ToString;
 }, uniqueConstraints = {
 
 })
-@ToString(exclude = {"company", "contract"})
+@ToString(exclude = { "company", "contract" })
 public class CompanyContract implements IdentityEntity, CompanyBasedEntity, Serializable {
     private static final long serialVersionUID = 1L;
     @Id
@@ -54,4 +57,22 @@ public class CompanyContract implements IdentityEntity, CompanyBasedEntity, Seri
                 contact.getPhone() +
                 contact.getEmail();
     }
+
+    @Override
+    public final boolean equals(Object object) {
+        if (this == object)
+            return true;
+        if (object == null)
+            return false;
+        if (HibernateProxyUtils.isNotEffectiveClassEquals(object, this)) {
+            return false;
+        }
+        CompanyContract that = (CompanyContract) object;
+        return getId() != null && Objects.equals(getId(), that.getId());
+    }
+
+    @Override
+    public final int hashCode() {
+        return HibernateProxyUtils.hashCode(this);
+    }
 }