fix(ci): carry dual bridge intent through stable parameters

Jenkinsfile.service

@@ -76,6 +76,11 @@ pipeline {
                             if (!serviceModules.contains(service)) {
                                 error("无法从 Job 名称 ${env.JOB_BASE_NAME} 识别服务；名称必须以以下服务之一结尾: ${serviceModules.join(', ')}")
                             }
+                            boolean deployBothBridges = service == 'event-bridge-service'
+                                && imageTag?.endsWith('-both')
+                            if (deployBothBridges) {
+                                imageTag = imageTag.substring(0, imageTag.length() - '-both'.length())
+                            }
                             if (!sourceCommit || !(sourceCommit ==~ /(?i)[0-9a-f]{7,40}/)) {
                                 error('SOURCE_COMMIT 必须是 7 到 40 位十六进制 Git commit')
                             }
@@ -93,13 +98,14 @@ pipeline {
                             env.RESOLVED_SOURCE_COMMIT = sourceCommit
                             env.RESOLVED_IMAGE_TAG = imageTag
                             env.RESOLVED_IMAGE_REPOSITORY = imageRepository
+                            env.DEPLOY_BOTH_EVENT_BRIDGES = deployBothBridges ? 'true' : 'false'
 
                             if (service == 'event-bridge-service' && params.DEPLOY) {
                                 String bridgeRegion = params.EVENT_BRIDGE_REGION?.trim()
                                 if (!['BOTH', 'SELECT', 'CN', 'OVERSEAS'].contains(bridgeRegion)) {
                                     error('EVENT_BRIDGE_REGION 只能为 BOTH、CN 或 OVERSEAS')
                                 }
-                                if (['BOTH', 'SELECT'].contains(bridgeRegion)
+                                if ((deployBothBridges || ['BOTH', 'SELECT'].contains(bridgeRegion))
                                     && !['development', 'test'].contains(params.ENVIRONMENT)) {
                                     error('事件桥 BOTH 仅支持开发或测试环境；预发布和生产必须明确选择 CN 或 OVERSEAS')
                                 }
@@ -197,7 +203,8 @@ pipeline {
                                 unstash 'deployment-files'
                                 echo "在目标节点 ${env.NODE_NAME} 本机部署到 ${params.ENVIRONMENT}"
                                 List bridgeRegions = env.RESOLVED_SERVICE == 'event-bridge-service'
-                                    && ['BOTH', 'SELECT'].contains(params.EVENT_BRIDGE_REGION)
+                                    && (env.DEPLOY_BOTH_EVENT_BRIDGES == 'true'
+                                        || ['BOTH', 'SELECT'].contains(params.EVENT_BRIDGE_REGION))
                                     ? ['CN', 'OVERSEAS']
                                     : [params.EVENT_BRIDGE_REGION]
                                 withCredentials([