fix(deploy): publish unified services to temporary gray environment

Jenkinsfile

@@ -111,6 +111,8 @@ def fixedEnvironmentForJob(String jobBaseName) {
     switch (jobBaseName) {
         case 'backend-java':
             return 'test'
+        case 'backend-java-prod':
+            return 'production'
         default:
             return null
     }
@@ -120,6 +122,8 @@ def fixedDownstreamJobPrefixForJob(String jobBaseName) {
     switch (jobBaseName) {
         case 'backend-java':
             return 'baiyue-firstleg-'
+        case 'backend-java-prod':
+            return 'baiyue-firstleg-prod-'
         default:
             return null
     }
@@ -174,7 +178,7 @@ pipeline {
                     }
                     if (params.ENVIRONMENT != resolvedEnvironment ||
                         params.DOWNSTREAM_JOB_PREFIX?.trim() != resolvedJobPrefix) {
-                        error('当前流水线仅允许 TEST 与 baiyue-firstleg- 下游前缀')
+                        error('部署环境和下游前缀必须与当前 Job 固定映射一致')
                     }
                     env.RESOLVED_ENVIRONMENT = resolvedEnvironment
                     echo "Job ${env.JOB_BASE_NAME} 使用部署环境: ${env.RESOLVED_ENVIRONMENT}"