ci: 更新 Jenkinsfile，添加部署参数和构建条件

Jenkinsfile

@@ -5,6 +5,19 @@ pipeline {
     timestamps()
   }
 
+  parameters {
+    choice(
+      name: 'XSH_DEPLOY_TARGET',
+      choices: ['main'],
+      description: 'main：眩生花线上版本'
+    )
+    booleanParam(
+      name: 'XSH_DEPLOY_TO_PRODUCTION',
+      defaultValue: true,
+      description: '是否自动部署到线上环境（否则只构建产物）\n* 仅在 main 分支生效'
+    )
+  }
+
   tools {
     nodejs 'NodeJS 22.22'
   }
@@ -32,7 +45,10 @@ pipeline {
 
     stage('Build') {
       when {
-        expression { currentBuild.currentResult == 'SUCCESS' }
+        allOf {
+          expression { currentBuild.currentResult == 'SUCCESS' }
+          expression { env.TAG_NAME != null }
+        }
       }
       steps {
         sh '''