fix: fix HealthControllerTest JSON path and update JaCoCo plugin usage

Jenkinsfile

@@ -80,8 +80,7 @@ pipeline {
             steps {
                 echo '🧪 运行单元测试...'
                 sh "mvn test"
-            }
-            post {
+            }            post {
                 always {
                     script {
                         // 发布测试结果
@@ -89,14 +88,13 @@ pipeline {
                             publishTestResults testResultsPattern: 'target/surefire-reports/*.xml'
                         }
                         
-                        // 发布代码覆盖率报告
-                        if (fileExists('target/jacoco.exec')) {
-                            step([$class: 'JacocoPublisher',
-                                execPattern: 'target/jacoco.exec',
-                                classPattern: 'target/classes',
-                                sourcePattern: 'src/main/java',
-                                exclusionPattern: '**/*Test*.class'
-                            ])
+                        // 发布代码覆盖率报告 - 使用新语法
+                        if (fileExists('target/site/jacoco/jacoco.xml')) {
+                            publishCoverage adapters: [jacocoAdapter('target/site/jacoco/jacoco.xml')], sourceFileResolver: sourceFiles('STORE_LAST_BUILD')
+                        } else if (fileExists('target/jacoco.exec')) {
+                            echo '⚠️ 发现jacoco.exec文件，但推荐使用XML格式的覆盖率报告'
+                        } else {
+                            echo '⚠️ 未找到JaCoCo覆盖率报告文件'
                         }
                     }
                 }

src/test/java/com/jenkins/demo/controller/HealthControllerTest.java

@@ -40,8 +40,10 @@ class HealthControllerTest {
                 .andExpect(status().isOk())
                 .andExpect(content().contentType(MediaType.APPLICATION_JSON))
                 .andExpect(jsonPath("$.name").value("Jenkins Demo Application"))
+                .andExpect(jsonPath("$.description").value("Spring Boot 3 应用程序用于Jenkins CI/CD流程演示"))
                 .andExpect(jsonPath("$.version").value("1.0.0"))
-                .andExpect(jsonPath("$.java.version").exists());
+                .andExpect(jsonPath("$['java.version']").exists())
+                .andExpect(jsonPath("$['spring.profiles.active']").exists());
     }
 
     @Test