feat(ne): batch apply jump proxy on selected NEs

Add POST /v1/managed-ne/batch-hop, shared HopProxyFields form, and toolbar button next to connectivity test.

Co-authored-by: Cursor <cursoragent@cursor.com>

web/src/i18n/en.ts

@@ -192,6 +192,13 @@ const en = {
       hostRequired: "Jump host is required",
       userRequired: "Jump username is required",
       passwordRequired: "Jump password is required",
+      batchAdd: "Add proxy",
+      batchTitle: "Batch add jump proxy",
+      batchHint: "Apply the jump-host settings below to {{n}} selected NE(s) (overwrites existing proxy config).",
+      batchDone: "Proxy applied to {{n}} NE(s)",
+      selectRequired: "Select network elements first",
+      applying: "Applying…",
+      apply: "Apply to selected",
     },
   },
   ume: {

web/src/i18n/zh.ts

@@ -191,6 +191,13 @@ const zh = {
       hostRequired: "请填写跳板地址",
       userRequired: "请填写跳板用户名",
       passwordRequired: "请填写跳板密码",
+      batchAdd: "添加代理",
+      batchTitle: "批量添加代理",
+      batchHint: "将以下跳板配置应用到已选中的 {{n}} 台网元（会覆盖原有跳板设置）。",
+      batchDone: "已为 {{n}} 台网元配置代理",
+      selectRequired: "请先勾选要配置的网元",
+      applying: "应用中…",
+      apply: "应用到选中网元",
     },
   },
   ume: {