fix(k8s): 可视化编辑器 YAML 解析失败（managedFields 清理）

- 先解析原始 YAML 再对象级剥离，避免 cleanYAML 破坏结构
- managedFields 从 METADATA_LINE_KEYS 移除，改整块删除含数组项
- YamlViewer 同步使用 parseEditableManifest

backend/static/index.html

@@ -7,9 +7,9 @@
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <meta name="theme-color" content="#1e6feb" />
     <title>AIOps智能运维平台</title>
-    <script type="module" crossorigin src="/assets/index-BZzvNKfa.js"></script>
+    <script type="module" crossorigin src="/assets/index-BBDEBVET.js"></script>
     <link rel="modulepreload" crossorigin href="/assets/vendor-codemirror-C7mXSpXt.js">
-    <link rel="modulepreload" crossorigin href="/assets/vendor-icons-DIDdqO_o.js">
+    <link rel="modulepreload" crossorigin href="/assets/vendor-icons-Aso0-eeY.js">
     <link rel="stylesheet" crossorigin href="/assets/index-7YeEJX-w.css">
   </head>
   <body>