feat: 实现基于JSON的登录API和安全认证

refactor: 重构登录逻辑和会话管理

fix: 修复会话ID类型和WebSocket连接问题

build: 更新项目版本号和添加Servlet API依赖

style: 清理无用导入和注释代码

server/pom.xml

@@ -6,12 +6,12 @@
     <parent>
           <groupId>com.ecep.contract</groupId>
           <artifactId>Contract-Manager</artifactId>
-          <version>0.0.58-SNAPSHOT</version>
+          <version>0.0.80-SNAPSHOT</version>
     </parent>
 
     <groupId>com.ecep.contract</groupId>
     <artifactId>server</artifactId>
-    <version>0.0.58-SNAPSHOT</version>
+    <version>0.0.80-SNAPSHOT</version>
 
     <properties>
         <maven.compiler.source>${java.version}</maven.compiler.source>
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.ecep.contract</groupId>
             <artifactId>common</artifactId>
-            <version>0.0.58-SNAPSHOT</version>
+            <version>0.0.80-SNAPSHOT</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
@@ -74,6 +74,14 @@
         <!--     <artifactId>hibernate-jpamodelgen</artifactId> -->
         <!--     <scope>provided</scope> -->
         <!-- </dependency> -->
+        
+        <!-- Servlet API -->
+        <dependency>
+            <groupId>javax.servlet</groupId>
+            <artifactId>javax.servlet-api</artifactId>
+            <version>4.0.1</version>
+            <scope>provided</scope>
+        </dependency>
 
         <dependency>
             <groupId>com.mysql</groupId>