refactor(devops): 重构流水线相关代码

- 新增 WebSocket 消息解析工具类 WsMessageUtil
- 添加流水线实例节点明细查询功能
- 优化流水线重试逻辑，支持指定节点重试
- 新增多个流水线节点处理服务类
- 调整流水线模板获取方式
- 优化流水线状态检查逻辑

cutejava-front/src/store/modules/pipeline.js

@@ -0,0 +1,15 @@
+const pipeline = {
+  /**
+   * 全局常量
+   */
+  state: {
+    statusConst: {
+      pending: { code: 'pending', label: '未开始', color: '#C0C4CC', icon: 'el-icon-time' },
+      running: { code: 'running', label: '运行中', color: '#409EFF', icon: 'el-icon-loading' },
+      success: { code: 'success', label: '执行成功', color: '#67C23A', icon: 'el-icon-success' },
+      fail: { code: 'fail', label: '执行失败', color: '#F56C6C', icon: 'el-icon-error' }
+    }
+  }
+}
+
+export default pipeline