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

client/src/main/resources/ui/contract/contract-tab-sub-contract.fxml

@@ -5,7 +5,7 @@
 <?import javafx.scene.layout.*?>
 <AnchorPane minHeight="0.0" minWidth="0.0" prefHeight="180.0" prefWidth="200.0"
             xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1"
-            fx:controller="com.ecep.contract.controller.contract.ContractTabSkinSubContract"
+            fx:controller="com.ecep.contract.controller.tab.ContractTabSkinSubContract"
 >
     <children>
         <HBox spacing="3.0">