Improve topology terminal open flow and edge selection feedback.

Managed NEs reuse stored credentials; unmanaged/LLDP placeholders get an IP and SSH/Telnet form. Selected links now show a clear highlight, and login page flare tweaks are included.

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

web/src/i18n/en.ts

@@ -1388,6 +1388,24 @@ const en = {
     edgeDefaults: "Default edge styles",
     edgeDefaultsReset: "Factory reset",
     noNeLink: "Not linked to a managed NE",
+    termConnect: {
+      title: "Complete login",
+      titleCreate: "Create NE and connect",
+      hint: "This node is not managed or lacks credentials. Enter IP and protocol to connect (same as creating/completing an NE).",
+      name: "Name",
+      ip: "IP address",
+      port: "Port",
+      protocol: "Protocol",
+      username: "Username",
+      password: "Password",
+      connect: "Save and open terminal",
+      connecting: "Connecting…",
+      cancel: "Cancel",
+      ipRequired: "IP address is required",
+      userRequired: "Username is required for SSH",
+      passwordRequired: "Password is required for SSH",
+      saved: "Login details saved",
+    },
     edgeManual: "Manual",
     edgeDiscovered: "Discovered",
     edgeStale: "Missing",

web/src/i18n/zh.ts

@@ -1382,6 +1382,24 @@ const zh = {
     edgeDefaults: "默认链路样式",
     edgeDefaultsReset: "恢复出厂",
     noNeLink: "未关联托管网元",
+    termConnect: {
+      title: "补全登录信息",
+      titleCreate: "新建网元并登录",
+      hint: "该网元尚未纳管或缺少登录信息，请填写 IP 与协议后连接（等同新建/补全网元）。",
+      name: "名称",
+      ip: "IP 地址",
+      port: "端口",
+      protocol: "协议",
+      username: "用户名",
+      password: "密码",
+      connect: "保存并打开终端",
+      connecting: "连接中…",
+      cancel: "取消",
+      ipRequired: "请填写 IP 地址",
+      userRequired: "SSH 请填写用户名",
+      passwordRequired: "SSH 请填写密码",
+      saved: "登录信息已保存",
+    },
     edgeManual: "人工",
     edgeDiscovered: "发现",
     edgeStale: "未发现",