fix(ci): retain configured image repository defaults

Jenkinsfile

@@ -161,7 +161,8 @@ pipeline {
         choice(name: 'ENVIRONMENT', choices: environmentChoicesForJob(env.JOB_BASE_NAME), description: '部署环境')
         booleanParam(name: 'DEPLOY', defaultValue: false, description: '各服务构建成功后是否独立部署')
         booleanParam(name: 'SKIP_TESTS', defaultValue: false, description: '是否跳过测试执行（仍编译测试源码）')
-        string(name: 'IMAGE_REPOSITORY', defaultValue: '', description: '必须填写已核实的共享镜像仓库地址 host[:port]/owner/image')
+        // 地址由当前 Job 配置提供；参数声明刷新时保留已配置值，不将环境地址写入源码。
+        string(name: 'IMAGE_REPOSITORY', defaultValue: params.IMAGE_REPOSITORY ?: '', description: '沿用当前 Job 已配置的镜像仓库地址；首次配置或更换仓库时填写 host[:port]/owner/image')
         string(name: 'DOCKER_BASE_IMAGE', defaultValue: 'eclipse-temurin:17-jre-alpine', description: 'Java 17 基础镜像')
         choice(name: 'DOWNSTREAM_JOB_PREFIX', choices: downstreamJobPrefixChoicesForJob(env.JOB_BASE_NAME), description: '由当前总控 Job 固定的单服务 Job 前缀')
     }

Jenkinsfile.service

@@ -49,7 +49,8 @@ pipeline {
         booleanParam(name: 'ALLOW_SAME_CONTRACT_ROLLBACK', defaultValue: false, description: '仅确认相同协议与Schema时允许回滚；架构切换保持关闭')
         booleanParam(name: 'DEPLOY', defaultValue: false, description: '构建成功后是否部署本服务')
         booleanParam(name: 'SKIP_TESTS', defaultValue: false, description: '是否跳过测试')
-        string(name: 'IMAGE_REPOSITORY', defaultValue: '', description: '必须填写已核实的共享镜像仓库基础路径，不包含服务名和标签')
+        // 独立构建沿用本 Job 配置，总控调度时保留其明确传入的地址。
+        string(name: 'IMAGE_REPOSITORY', defaultValue: params.IMAGE_REPOSITORY ?: '', description: '沿用当前 Job 已配置的镜像仓库基础路径，不包含服务名和标签；首次配置或更换仓库时填写')
         string(name: 'DOCKER_BASE_IMAGE', defaultValue: 'eclipse-temurin:17-jre-alpine', description: 'Java 17 基础镜像')
     }
 

scripts/test-environment-pipeline-contract.test.mjs

@@ -17,7 +17,8 @@ const serviceCompose = (await readFile(new URL('../deploy/docker-compose.yml', i
 
 test('both pipelines reject the placeholder registry from failed build 662 before Maven or Docker', () => {
   for (const source of [coordinatorPipeline, pipeline]) {
-    assert.match(source, /string\(name: 'IMAGE_REPOSITORY', defaultValue: ''/)
+    assert.match(source, /string\(name: 'IMAGE_REPOSITORY', defaultValue: params\.IMAGE_REPOSITORY \?: ''/,
+      'declarative parameter refresh must retain this job\'s configured registry instead of resetting it')
     const guard = source.match(/(?:requestedRepository|imageRepository)\.tokenize\('\/'\)\[0\] ==~ \/\(\?i\)([^\n]+)\//)
     assert.ok(guard, 'registry host must reject reserved example domains')
     const reservedHost = new RegExp(`^(?:${guard[1]})$`, 'i')