Add topology NE create/connect flows and trim connect-test logs.

Bring full managed-NE create onto the canvas (keep placeholders), add single/multi connect test and multi discover links, split topology/managedNe dialogs into modules, and shorten redundant connectivity failure details.

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

netx_api/ne_connect.py

@@ -209,14 +209,86 @@ def _classify_connect_error(creds: dict[str, Any], exc: BaseException) -> str:
     return detail
 
 
+def _exc_headline(exc: BaseException) -> str:
+    """First line of the exception only (Netmiko often appends multi-line advice)."""
+    text = str(exc).strip() or type(exc).__name__
+    first = text.splitlines()[0].strip()
+    return f"{type(exc).__name__}: {first}"[:480]
+
+
+def _root_cause_headline(exc: BaseException) -> str | None:
+    """Underlying OS/socket error when Netmiko wraps TimeoutError / etc."""
+    cause = exc.__cause__ or exc.__context__
+    if cause is None or cause is exc:
+        return None
+    # Prefer the deepest non-trivial cause one level down (TimeoutError under NetmikoTimeout).
+    headline = _exc_headline(cause)
+    outer = _exc_headline(exc)
+    if headline == outer:
+        return None
+    return headline
+
+
+def _is_network_reachability_fail(exc: BaseException) -> bool:
+    """TCP timeout / refused / unreachable — stack traces add noise, not diagnosis."""
+    chunks = [str(exc)]
+    if exc.__cause__ is not None:
+        chunks.append(str(exc.__cause__))
+    if exc.__context__ is not None:
+        chunks.append(str(exc.__context__))
+    raw = " ".join(chunks).lower()
+    name = type(exc).__name__.lower()
+    if "timeout" in name or "timeout" in raw:
+        return True
+    if "connection refused" in raw or "10060" in raw or "10061" in raw:
+        return True
+    if "no route" in raw or "network is unreachable" in raw or "name or service not known" in raw:
+        return True
+    return False
+
+
+def _compact_traceback(*, max_frames: int = 8) -> str:
+    """File/line frames only; drop exception body (already shown on error=)."""
+    tb = traceback.format_exc().strip()
+    if not tb:
+        return ""
+    frames: list[str] = []
+    for line in tb.splitlines():
+        s = line.rstrip()
+        if s.startswith("Traceback ") or s.startswith("During handling"):
+            continue
+        # Exception summary / advice paragraphs (no leading indent, not a frame header).
+        if frames and s and not s.startswith(" ") and not s.startswith("File "):
+            break
+        if s.startswith("  File ") or (frames and s.startswith("    ")):
+            frames.append(s)
+            continue
+        if s.startswith("File "):
+            frames.append(s)
+    if not frames:
+        return ""
+    # Keep the deepest frames (closest to failure).
+    if len(frames) > max_frames * 2:
+        # each frame is typically 2 lines (File + code)
+        frames = frames[-(max_frames * 2) :]
+    return "\n".join(frames)
+
+
 def _format_failure_detail(creds: dict[str, Any], exc: BaseException) -> str:
     lines = _connect_context_lines(creds)
-    lines.append(f"result=fail")
-    lines.append(f"error={type(exc).__name__}: {exc}")
-    tb = traceback.format_exc().strip()
-    if tb:
+    lines.append("result=fail")
+    lines.append(f"error={_exc_headline(exc)}")
+    root = _root_cause_headline(exc)
+    if root:
+        lines.append(f"cause={root}")
+    # Reachability failures: context + one-liners are enough.
+    # Auth/CLI/hop surprises still get a short stack for support.
+    if not _is_network_reachability_fail(exc):
+        stack = _compact_traceback()
+        if stack:
             lines.append("")
-        lines.append(tb)
+            lines.append("stack:")
+            lines.append(stack)
     return _truncate_detail("\n".join(lines))
 
 
@@ -386,7 +458,20 @@ def _run_single(ne_id: str) -> None:
         _update_row(ne_id, status, message, discovered, detail=detail)
     except Exception as exc:
         _log.exception("connect test failed for %s", ne_id)
-        _update_row(ne_id, "fail", str(exc)[:480], detail=_truncate_detail(traceback.format_exc()))
+        detail = _format_failure_detail(
+            {
+                "ip_address": "?",
+                "port": "?",
+                "protocol": "?",
+                "device_type": "?",
+                "vendor": "?",
+                "username": "?",
+                "hop_enabled": False,
+            },
+            exc,
+        )
+        # Prefer short message; full multi-line Netmiko advice is not useful in the pill.
+        _update_row(ne_id, "fail", _exc_headline(exc)[:480], detail=detail)
     finally:
         db.close()
 
@@ -436,8 +521,19 @@ def _run_single_ume(ume_ne_id: str) -> None:
         try:
             creds, _device = resolve_cli_target(db, ume_ne_id=uid)
         except Exception as exc:
-            detail = _truncate_detail(traceback.format_exc())
-            _update_ume_override_row(uid, "fail", str(exc)[:480], detail=detail)
+            detail = _format_failure_detail(
+                {
+                    "ip_address": "?",
+                    "port": "?",
+                    "protocol": "?",
+                    "device_type": "?",
+                    "vendor": "?",
+                    "username": "?",
+                    "hop_enabled": False,
+                },
+                exc,
+            )
+            _update_ume_override_row(uid, "fail", _exc_headline(exc)[:480], detail=detail)
             return
         skip = cli_creds_skip_reason(creds, interactive=False)
         if skip:
@@ -450,7 +546,19 @@ def _run_single_ume(ume_ne_id: str) -> None:
         _update_ume_override_row(uid, status, message, discovered, detail=detail)
     except Exception as exc:
         _log.exception("ume connect test failed for %s", ume_ne_id)
-        _update_ume_override_row(ume_ne_id, "fail", str(exc)[:480], detail=_truncate_detail(traceback.format_exc()))
+        detail = _format_failure_detail(
+            {
+                "ip_address": "?",
+                "port": "?",
+                "protocol": "?",
+                "device_type": "?",
+                "vendor": "?",
+                "username": "?",
+                "hop_enabled": False,
+            },
+            exc,
+        )
+        _update_ume_override_row(ume_ne_id, "fail", _exc_headline(exc)[:480], detail=detail)
     finally:
         db.close()
 

tests/test_ne_connect_detail.py

@@ -0,0 +1,61 @@
+"""Connect-failure detail formatting should stay short and non-redundant."""
+
+from __future__ import annotations
+
+from netx_api.ne_connect import (
+    _exc_headline,
+    _format_failure_detail,
+    _is_network_reachability_fail,
+    _root_cause_headline,
+)
+
+
+def test_exc_headline_uses_first_line_only() -> None:
+    exc = Exception("TCP connection to device failed.\n\nCommon causes of this problem are:\n1. wrong IP")
+    assert _exc_headline(exc) == "Exception: TCP connection to device failed."
+    assert "Common causes" not in _exc_headline(exc)
+
+
+def test_root_cause_headline() -> None:
+    try:
+        try:
+            raise TimeoutError("[WinError 10060] timed out")
+        except TimeoutError as inner:
+            raise RuntimeError("TCP connection to device failed.") from inner
+    except RuntimeError as outer:
+        root = _root_cause_headline(outer)
+        assert root is not None
+        assert "TimeoutError" in root
+        assert "10060" in root
+
+
+def test_format_failure_detail_omits_stack_for_timeout() -> None:
+    creds = {
+        "ip_address": "192.168.0.127",
+        "port": 22,
+        "protocol": "ssh",
+        "device_type": "huawei",
+        "vendor": "Huawei",
+        "username": "huawei",
+        "hop_enabled": False,
+    }
+    try:
+        try:
+            raise TimeoutError("[WinError 10060] timed out")
+        except TimeoutError as inner:
+            raise RuntimeError(
+                "TCP connection to device failed.\n\nCommon causes of this problem are:\n1. firewall"
+            ) from inner
+    except RuntimeError as outer:
+        assert _is_network_reachability_fail(outer)
+        detail = _format_failure_detail(creds, outer)
+
+    assert "target=192.168.0.127:22/ssh" in detail
+    assert "hop=disabled (direct)" in detail
+    assert "result=fail" in detail
+    assert "error=RuntimeError: TCP connection to device failed." in detail
+    assert "cause=TimeoutError:" in detail
+    assert "Common causes" not in detail
+    assert "Traceback" not in detail
+    assert "stack:" not in detail
+    assert "File \"" not in detail

web/src/i18n/en.ts

@@ -1631,7 +1631,7 @@ const en = {
       "After discover, project neighbors of scanned NEs onto the canvas (Save to keep permanently)",
     undo: "Undo",
     redo: "Redo",
-    discoverSelected: "Discover selected ({{count}})",
+    discoverSelected: "Discover links ({{count}})",
     removeSelected: "Remove selected ({{count}})",
     openWebcrt: "Open terminal",
     openNe: "NE details",
@@ -1645,6 +1645,12 @@ const en = {
     paneMenu: "Canvas",
     edgeMenu: "Edge",
     createNe: "New NE",
+    createNeModeHint:
+      "Create a full managed NE, or a topology placeholder (credentials can be filled later).",
+    createNeManaged: "Managed NE",
+    createNeManagedHint: "Same full form as NE management; placed on the canvas after create.",
+    createNePlaceholder: "Placeholder NE",
+    createNePlaceholderHint: "Name/IP only; topology placeholder for sketching first.",
     createNeTitle: "New topology placeholder NE",
     createNeHint:
       "Source is topology placeholder. Complete login via WebCRT, or promote in NE management.",
@@ -1654,7 +1660,12 @@ const en = {
     createNeIp: "IP (optional)",
     createNeIpPh: "Can fill later during setup",
     createNeDone: "Created placeholder {{name}}",
+    createManagedNeDone: "Created and placed {{name}}",
     createNeBusy: "Creating…",
+    connectTest: "Connectivity test",
+    connectTestSelected: "Connectivity test ({{count}})",
+    connectTestNeedManaged: "Node is not linked to a managed NE; cannot run connectivity test",
+    connectTestSkipped: "skipped {{count}} without managed link",
     selectionMenu: "Selection",
     edgeStyle: "Edge style",
     edgeColor: "Color",

web/src/i18n/zh.ts

@@ -1617,7 +1617,7 @@ const zh = {
     discoverProjectNeighbors: "发现后将本次扫描网元的直连邻居加入画布（需保存才永久保留）",
     undo: "撤销",
     redo: "重做",
-    discoverSelected: "发现选中 ({{count}})",
+    discoverSelected: "发现链路（{{count}}）",
     removeSelected: "移除选中 ({{count}})",
     openWebcrt: "打开终端",
     openNe: "网元详情",
@@ -1630,6 +1630,11 @@ const zh = {
     paneMenu: "画布",
     edgeMenu: "链路",
     createNe: "新建网元",
+    createNeModeHint: "选择创建正式运维网元，或仅建拓扑占位（可稍后完善登录信息）。",
+    createNeManaged: "正式网元",
+    createNeManagedHint: "与网元管理相同的完整表单；创建后自动上图。",
+    createNePlaceholder: "占位网元",
+    createNePlaceholderHint: "仅名称/IP，来源为拓扑占位，适合先构图再补齐凭据。",
     createNeTitle: "新建拓扑占位网元",
     createNeHint: "来源为拓扑占位；完善登录信息后可在 WebCRT 连接，或在网元管理升级为手工。",
     createNeName: "名称",
@@ -1638,7 +1643,12 @@ const zh = {
     createNeIp: "IP（可选）",
     createNeIpPh: "可稍后在完善时填写",
     createNeDone: "已新建占位网元 {{name}}",
+    createManagedNeDone: "已创建网元并上图 {{name}}",
     createNeBusy: "创建中…",
+    connectTest: "连通性测试",
+    connectTestSelected: "连通性测试 ({{count}})",
+    connectTestNeedManaged: "该节点未绑定运维网元，无法做连通性测试",
+    connectTestSkipped: "跳过 {{count}} 台无运维绑定",
     selectionMenu: "多选",
     edgeStyle: "链路样式",
     edgeColor: "颜色",

web/src/pages/NePage.tsx

@@ -6,7 +6,6 @@ import {
   batchApplyHopManagedNe,
   batchDeleteManagedNe,
   connectTestManagedNe,
-  createManagedNe,
   deleteUmeManagedNe,
   deleteManagedNe,
   fetchIdsByTag,
@@ -17,7 +16,6 @@ import {
   importManagedNe,
   downloadManagedNeImportTemplate,
   syncUmeManagedNe,
-  updateManagedNe,
   type ManagedNeStats,
 } from "../services/api";
 import { HelpHint } from "../components/HelpHint";
@@ -30,99 +28,29 @@ import type { ManagedNeItem } from "../types";
 import { pageCount } from "../utils/display";
 import { formatSystemTime } from "../utils/time";
 import { openOrFocusModule } from "../utils/moduleWindows";
+import { ManagedNeFormDialog } from "./managedNe/ManagedNeFormDialog";
+import { ManagedNeConnectDetailDialog } from "./managedNe/ManagedNeConnectDetailDialog";
+import { connectStatusClass } from "./managedNe/connectStatus";
 import {
-  defaultHopTemplate,
-  isAutoHopTemplate,
-  patchHopVendorChange,
-  type HopVendor,
-} from "../utils/hopProxy";
+  deviceTypeForVendor,
+  emptyManagedNeForm,
+  managedSourceKey,
+  type ManagedNeFormState,
+} from "./managedNe/formState";
 
 /** Hide UME→managed sync/delete controls until needed again. APIs remain available. */
 const SHOW_UME_MANAGED_SYNC = false;
 
-type FormState = {
-  name: string;
-  vendor: string;
-  device_type: string;
-  ip_address: string;
-  port: number;
-  protocol: string;
-  username: string;
-  password: string;
-  tags: string;
-  remark: string;
-  hop_enabled: boolean;
-  hop_vendor: HopVendor;
-  hop_host: string;
-  hop_port: number;
-  hop_protocol: string;
-  hop_username: string;
-  hop_password: string;
-  hop_command_template: string;
-  hop_vrf: string;
-  hop_target_auth_mode: "bastion_managed" | "manual";
-  hop_enter_system_view: boolean;
-};
-
 type AccountState = {
   username: string;
   password: string;
 };
 
-function deviceTypeForVendor(vendor: string): string {
-  if (vendor === "ZTE") return "zte_zxros";
-  if (vendor === "Huawei") return "huawei";
-  if (vendor === "Cisco") return "cisco_ios";
-  if (vendor === "Juniper") return "juniper_junos";
-  if (vendor === "Nokia") return "nokia_sros";
-  return "generic";
-}
-
-const emptyForm = (): FormState => ({
-  name: "",
-  vendor: "ZTE",
-  device_type: "zte_zxros",
-  ip_address: "",
-  port: 22,
-  protocol: "ssh",
-  username: "",
-  password: "",
-  tags: "",
-  remark: "",
-  hop_enabled: false,
-  hop_vendor: "zte",
-  hop_host: "",
-  hop_port: 22,
-  hop_protocol: "ssh",
-  hop_username: "",
-  hop_password: "",
-  hop_command_template: defaultHopTemplate("zte", "ssh", ""),
-  hop_vrf: "",
-  hop_target_auth_mode: "bastion_managed",
-  hop_enter_system_view: false,
-});
-
 const emptyAccount = (): AccountState => ({
   username: "",
   password: "",
 });
 
-function applyHopTemplate(prev: FormState, protocol: string, vrf: string, force = false): Partial<FormState> {
-  if (!force && !isAutoHopTemplate(prev.hop_command_template, prev.hop_vendor, prev.hop_protocol, prev.hop_vrf)) {
-    return {};
-  }
-  return { hop_command_template: defaultHopTemplate(prev.hop_vendor, protocol, vrf) };
-}
-
-function managedSourceKey(
-  source: string | undefined,
-): "manual" | "ume_sync" | "webcrt" | "lldp" | "topology" | "" {
-  const s = String(source || "").trim().toLowerCase();
-  if (!s) return "manual";
-  if (s === "ume_sync" || s === "webcrt" || s === "lldp" || s === "topology") return s;
-  return "";
-}
-
 function FormLabel({ children, required }: { children: ReactNode; required?: boolean }) {
   return (
     <span className="form-label">
@@ -137,21 +65,6 @@ function FormLabel({ children, required }: { children: ReactNode; required?: boo
   );
 }
 
-function connectStatusClass(status: string): string {
-  if (status === "pass") return "pt-list-status--ok";
-  if (status === "fail") return "pt-list-status--failed";
-  if (status === "testing") return "pt-list-status--running";
-  return "pt-list-status--unknown";
-}
-
-function connectPillLevel(status: string): "up" | "down" | "unknown" | "warn" {
-  const s = String(status || "").toLowerCase();
-  if (s === "pass" || s === "ok") return "up";
-  if (s === "fail" || s === "error") return "down";
-  if (s === "testing") return "warn";
-  return "unknown";
-}
-
 export function NePage() {
   const { t } = useI18n();
   const { showOk, showError } = useToast();
@@ -172,7 +85,7 @@ export function NePage() {
   const [batchHopOpen, setBatchHopOpen] = useState(false);
   const [batchAccountOpen, setBatchAccountOpen] = useState(false);
   const [editing, setEditing] = useState<ManagedNeItem | null>(null);
-  const [form, setForm] = useState<FormState>(emptyForm);
+  const [formSeed, setFormSeed] = useState<Partial<ManagedNeFormState> | undefined>();
   const [batchHop, setBatchHop] = useState<HopProxyFieldsState>(emptyHopProxyFields);
   const [batchAccount, setBatchAccount] = useState<AccountState>(emptyAccount);
   const [connectDetailRow, setConnectDetailRow] = useState<ManagedNeItem | null>(null);
@@ -231,53 +144,6 @@ export function NePage() {
 
   const invalidateList = () => queryClient.invalidateQueries({ queryKey: queryKeys.managedNeAll });
 
-  const saveMutation = useMutation({
-    mutationFn: async () => {
-      const body = {
-        name: form.name,
-        vendor: form.vendor,
-        device_type: form.device_type,
-        ip_address: form.ip_address,
-        port: form.port,
-        protocol: form.protocol,
-        username: form.username,
-        tags: form.tags,
-        remark: form.remark,
-        hop_enabled: form.hop_enabled,
-        hop_vendor: form.hop_vendor,
-        hop_host: form.hop_host,
-        hop_port: form.hop_port,
-        hop_protocol: form.hop_protocol,
-        hop_username: form.hop_username,
-        hop_command_template: form.hop_command_template,
-        hop_vrf: form.hop_vrf,
-        hop_target_auth_mode: form.hop_target_auth_mode,
-        hop_enter_system_view: form.hop_enter_system_view,
-        ...(form.password ? { password: form.password } : {}),
-        ...(form.hop_password ? { hop_password: form.hop_password } : {}),
-      };
-      if (form.hop_enabled) {
-        if (!form.hop_host.trim()) throw new Error(t("managedNe.hop.hostRequired"));
-        if (!form.hop_username.trim()) throw new Error(t("managedNe.hop.userRequired"));
-        if (!editing && !form.hop_password) throw new Error(t("managedNe.hop.passwordRequired"));
-      }
-      if (editing) {
-        if (!form.password) delete (body as { password?: string }).password;
-        if (!form.hop_password) delete (body as { hop_password?: string }).hop_password;
-        return updateManagedNe(editing.id, body);
-      }
-      return createManagedNe({ ...body, password: form.password || "" });
-    },
-    onSuccess: async () => {
-      setModalOpen(false);
-      setEditing(null);
-      setForm(emptyForm());
-      showOk(editing ? t("managedNe.form.updated") : t("managedNe.form.created"));
-      await invalidateList();
-    },
-    onError: (err) => showError(String(err)),
-  });
-
   const deleteMutation = useMutation({
     mutationFn: deleteManagedNe,
     onSuccess: async () => {
@@ -438,12 +304,6 @@ export function NePage() {
   });
 
   const vendors = metaQuery.data?.vendors ?? [];
-  const deviceTypes = useMemo(() => {
-    const base = metaQuery.data?.device_types ?? [];
-    const cur = String(form.device_type || "").trim();
-    if (cur && !base.includes(cur)) return [cur, ...base];
-    return base;
-  }, [metaQuery.data?.device_types, form.device_type]);
   const credsOk = metaQuery.data?.credentials_configured ?? false;
 
   const allSelected = useMemo(() => {
@@ -453,45 +313,13 @@ export function NePage() {
 
   const openCreate = () => {
     setEditing(null);
-    setForm(emptyForm());
+    setFormSeed(undefined);
     setModalOpen(true);
   };
 
   const openEdit = (row: ManagedNeItem) => {
     setEditing(row);
-    setForm({
-      name: row.name,
-      vendor: row.vendor,
-      device_type: row.device_type,
-      ip_address: row.ip_address,
-      port: row.port,
-      protocol: row.protocol,
-      username: row.username,
-      password: "",
-      tags: row.tags,
-      remark: row.remark,
-      hop_enabled: row.hop_enabled,
-      hop_vendor: (["linux", "huawei", "cisco", "zte", "bastion"].includes(row.hop_vendor)
-        ? row.hop_vendor
-        : "zte") as HopVendor,
-      hop_host: row.hop_host,
-      hop_port: row.hop_port,
-      hop_protocol: row.hop_protocol,
-      hop_username: row.hop_username,
-      hop_password: "",
-      hop_command_template: isAutoHopTemplate(
-        row.hop_command_template,
-        row.hop_vendor,
-        row.hop_protocol,
-        row.hop_vrf,
-      )
-        ? defaultHopTemplate(row.hop_vendor, row.hop_protocol, row.hop_vrf)
-        : row.hop_command_template || defaultHopTemplate(row.hop_vendor, row.hop_protocol, row.hop_vrf),
-      hop_vrf: row.hop_vrf,
-      hop_target_auth_mode:
-        row.hop_target_auth_mode === "manual" ? "manual" : "bastion_managed",
-      hop_enter_system_view: Boolean(row.hop_enter_system_view),
-    });
+    setFormSeed(undefined);
     setModalOpen(true);
   };
 
@@ -538,11 +366,10 @@ export function NePage() {
     const name = String(searchParams.get("name") || "").trim();
     const ip = String(searchParams.get("ip_address") || "").trim();
     const vendorRaw = String(searchParams.get("vendor") || "").trim();
-    const base = emptyForm();
+    const base = emptyManagedNeForm();
     const vendor = vendorRaw || base.vendor;
     setEditing(null);
-    setForm({
-      ...base,
+    setFormSeed({
       name,
       vendor,
       device_type: deviceTypeForVendor(vendor),
@@ -999,161 +826,24 @@ export function NePage() {
         </div>
       </section>
 
-      {modalOpen ? (
-        <div className="modal-backdrop" role="presentation" onClick={() => setModalOpen(false)}>
-          <div className="modal" role="dialog" onClick={(e) => e.stopPropagation()}>
-            <h3>{editing ? t("managedNe.form.editTitle") : t("managedNe.form.createTitle")}</h3>
-            <p className="form-hint">{t("managedNe.form.requiredHint")}</p>
-            <div className="form-grid">
-              <label>
-                <FormLabel>{t("managedNe.col.name")}</FormLabel>
-                <input value={form.name} onChange={(e) => setForm({ ...form, name: e.target.value })} />
-                <span className="form-field-hint">{t("managedNe.form.nameConnectHint")}</span>
-              </label>
-              <label>
-                <FormLabel required>{t("managedNe.col.vendor")}</FormLabel>
-                <select required value={form.vendor} onChange={(e) => {
-                  const vendor = e.target.value;
-                  setForm((prev) => {
-                    const next = { ...prev, vendor };
-                    const dt = String(prev.device_type || "").trim().toLowerCase();
-                    // LLDP/WebCRT placeholders use generic — pick a sensible driver when vendor is set.
-                    if (!dt || dt === "generic" || dt === "other" || dt === "linux") {
-                      if (vendor === "ZTE") next.device_type = "zte_zxros";
-                      else if (vendor === "Huawei") next.device_type = "huawei";
-                      else if (vendor === "Cisco") next.device_type = "cisco_ios";
-                      else if (vendor === "Juniper") next.device_type = "juniper_junos";
-                      else if (vendor === "Nokia") next.device_type = "nokia_sros";
-                    }
-                    return next;
-                  });
-                }}>
-                  {vendors.map((v) => (
-                    <option key={v} value={v}>
-                      {v}
-                    </option>
-                  ))}
-                </select>
-              </label>
-              <label>
-                <FormLabel required>{t("managedNe.col.deviceType")}</FormLabel>
-                <select
-                  required
-                  value={form.device_type}
-                  onChange={(e) => setForm({ ...form, device_type: e.target.value })}
-                >
-                  {deviceTypes.map((dt) => (
-                    <option key={dt} value={dt}>
-                      {dt}
-                    </option>
-                  ))}
-                </select>
-              </label>
-              <label>
-                <FormLabel required>{t("managedNe.col.ip")}</FormLabel>
-                <input
-                  required
-                  value={form.ip_address}
-                  onChange={(e) => setForm({ ...form, ip_address: e.target.value })}
-                />
-              </label>
-              <label>
-                <FormLabel>{t("managedNe.col.port")}</FormLabel>
-                <input
-                  type="number"
-                  value={form.port}
-                  onChange={(e) => setForm({ ...form, port: Number(e.target.value) || 22 })}
-                />
-              </label>
-              <label>
-                <FormLabel>{t("managedNe.col.protocol")}</FormLabel>
-                <select value={form.protocol} onChange={(e) => setForm({ ...form, protocol: e.target.value })}>
-                  <option value="ssh">ssh</option>
-                  <option value="telnet">telnet</option>
-                </select>
-              </label>
-              <label>
-                <FormLabel required>{t("managedNe.col.user")}</FormLabel>
-                <input
-                  required
-                  value={form.username}
-                  onChange={(e) => setForm({ ...form, username: e.target.value })}
-                />
-              </label>
-              <label>
-                <FormLabel>
-                  {t("managedNe.col.password")}
-                  <span className="form-label__optional"> ({t("managedNe.form.passwordOptional")})</span>
-                </FormLabel>
-                <input
-                  type="password"
-                  value={form.password}
-                  onChange={(e) => setForm({ ...form, password: e.target.value })}
-                />
-              </label>
-              <label>
-                <FormLabel>{t("managedNe.col.tags")}</FormLabel>
-                <input value={form.tags} onChange={(e) => setForm({ ...form, tags: e.target.value })} />
-              </label>
-              <label className="form-grid__full">
-                <FormLabel>{t("managedNe.col.remark")}</FormLabel>
-                <input value={form.remark} onChange={(e) => setForm({ ...form, remark: e.target.value })} />
-              </label>
-            </div>
-
-            <fieldset className="form-fieldset form-grid__full">
-              <legend>{t("managedNe.hop.sectionTitle")}</legend>
-              <label className="form-check">
-                <input
-                  type="checkbox"
-                  checked={form.hop_enabled}
-                  onChange={(e) => {
-                    const hop_enabled = e.target.checked;
-                    setForm((prev) => ({
-                      ...prev,
-                      hop_enabled,
-                      ...(hop_enabled
-                        ? {
-                            ...patchHopVendorChange(prev.hop_vendor, prev),
-                            ...applyHopTemplate(prev, prev.hop_protocol, prev.hop_vrf, true),
-                          }
-                        : {}),
-                    }));
+      <ManagedNeFormDialog
+        open={modalOpen}
+        editing={editing}
+        initialValues={formSeed}
+        onClose={() => {
+          setModalOpen(false);
+          setEditing(null);
+          setFormSeed(undefined);
+        }}
+        onSaved={async () => {
+          const wasEdit = Boolean(editing);
+          setModalOpen(false);
+          setEditing(null);
+          setFormSeed(undefined);
+          showOk(wasEdit ? t("managedNe.form.updated") : t("managedNe.form.created"));
+          await invalidateList();
         }}
       />
-                <span className="form-check__text">{t("managedNe.hop.enable")}</span>
-              </label>
-              {form.hop_enabled ? (
-                <HopProxyFields
-                  value={{
-                    hop_vendor: form.hop_vendor,
-                    hop_host: form.hop_host,
-                    hop_port: form.hop_port,
-                    hop_protocol: form.hop_protocol,
-                    hop_username: form.hop_username,
-                    hop_password: form.hop_password,
-                    hop_command_template: form.hop_command_template,
-                    hop_vrf: form.hop_vrf,
-                    hop_target_auth_mode: form.hop_target_auth_mode,
-                    hop_enter_system_view: form.hop_enter_system_view,
-                  }}
-                  onChange={(patch) => setForm((prev) => ({ ...prev, ...patch }))}
-                  hopPasswordRequired={!editing}
-                  hopPasswordOptional={Boolean(editing)}
-                />
-              ) : null}
-            </fieldset>
-            <div className="modal__actions">
-              <button type="button" onClick={() => setModalOpen(false)}>
-                {t("managedNe.form.cancel")}
-              </button>
-              <button type="button" disabled={saveMutation.isPending} onClick={() => saveMutation.mutate()}>
-                {saveMutation.isPending ? t("managedNe.form.saving") : t("managedNe.form.save")}
-              </button>
-            </div>
-          </div>
-        </div>
-      ) : null}
 
       {batchHopOpen ? (
         <div className="modal-backdrop" role="presentation" onClick={() => setBatchHopOpen(false)}>
@@ -1335,47 +1025,13 @@ export function NePage() {
         </div>
       ) : null}
 
-      {connectDetailRow ? (
-        <div className="modal-backdrop" role="presentation" onClick={() => setConnectDetailRow(null)}>
-          <div className="modal modal--wide" role="dialog" onClick={(e) => e.stopPropagation()}>
-            <h3>{t("managedNe.connectDetailTitle")}</h3>
-            <p className="form-hint">
-              {connectDetailRow.name || connectDetailRow.ip_address} · {connectDetailRow.ip_address}:
-              {connectDetailRow.port}/{connectDetailRow.protocol}
-              {connectDetailRow.connect_tested_at
-                ? ` · ${formatSystemTime(connectDetailRow.connect_tested_at, { assumeUtcNaive: true })}`
-                : ""}
-            </p>
-            <p>
-              <span className={`conn-pill conn-pill--${connectPillLevel(connectDetailRow.connect_status)}`}>
-                {connectDetailRow.connect_status}
-              </span>
-              {connectDetailRow.connect_message ? (
-                <span className="connect-detail-summary"> — {connectDetailRow.connect_message}</span>
-              ) : null}
-            </p>
-            <pre className="connect-log">
-              {connectDetailRow.connect_detail?.trim() ||
-                connectDetailRow.connect_message?.trim() ||
-                t("managedNe.connectDetailEmpty")}
-            </pre>
-            <div className="modal__actions">
-              <button
-                type="button"
-                disabled={connectMutation.isPending}
-                onClick={() => {
-                  connectMutation.mutate([connectDetailRow.id]);
+      <ManagedNeConnectDetailDialog
+        row={connectDetailRow}
+        onClose={() => setConnectDetailRow(null)}
+        onRetestSubmitted={() => {
+          void invalidateList();
         }}
-              >
-                {connectMutation.isPending ? t("managedNe.connect.running") : t("managedNe.connect.retest")}
-              </button>
-              <button type="button" onClick={() => setConnectDetailRow(null)}>
-                {t("managedNe.form.cancel")}
-              </button>
-            </div>
-          </div>
-        </div>
-      ) : null}
+      />
     </div>
   );
 }

web/src/pages/TopologyPage.tsx

@@ -51,6 +51,8 @@ import { useTopologyHistory } from "./topology/hooks/useTopologyHistory";
 import { useTopologyDiscover } from "./topology/hooks/useTopologyDiscover";
 import { useTopologyTreeNav } from "./topology/hooks/useTopologyTreeNav";
 import { useTopologyCanvas } from "./topology/hooks/useTopologyCanvas";
+import { useTopologyCreateNe } from "./topology/hooks/useTopologyCreateNe";
+import { useTopologyConnectTest } from "./topology/hooks/useTopologyConnectTest";
 import {
   lazy,
   Suspense,
@@ -73,7 +75,6 @@ import type {
 import {
   addTopologyViewNodes,
   createFabricManualEdge,
-  createTopologyPlaceholder,
   deleteFabricEdges,
   purgePlaceholderFabricNodes,
   fetchLldpCollectDashboard,
@@ -165,13 +166,6 @@ export function TopologyPage() {
   const [paletteSource, setPaletteSource] = useState<PaletteSource>("managed");
   const [paletteSelectedKeys, setPaletteSelectedKeys] = useState<string[]>([]);
   const [paletteAdding, setPaletteAdding] = useState(false);
-  const [createNeDialog, setCreateNeDialog] = useState<{
-    flowX: number;
-    flowY: number;
-    name: string;
-    ip_address: string;
-  } | null>(null);
-  const [createNeBusy, setCreateNeBusy] = useState(false);
   const [fullscreen, setFullscreen] = useState(false);
   /** Opt-in poll so MCP / other clients painting the open map can be watched. Off by default. */
   const [liveSync, setLiveSync] = useState(false);
@@ -821,6 +815,45 @@ export function TopologyPage() {
 
   const closeCtxMenu = useCallback(() => setCtxMenu(null), []);
 
+  const createNe = useTopologyCreateNe({
+    mapId,
+    activeViewName: activeView?.name,
+    canWrite: canWriteTopology,
+    edgeDefaults,
+    setNodes,
+    setEdges,
+    clearDirty,
+    historyLockRef,
+    focusNode,
+    closeCtxMenu,
+  });
+  const {
+    modeOpen: createNeModeOpen,
+    openCreateNeAt,
+    closeMode: closeCreateNeMode,
+    pickManaged: pickCreateManaged,
+    pickPlaceholder: pickCreatePlaceholder,
+    placeholderDialog,
+    setPlaceholderDialog,
+    placeholderBusy,
+    closePlaceholder,
+    submitPlaceholder,
+    managedFormOpen,
+    managedFormInitial,
+    closeManagedForm,
+    onManagedFormSaved,
+  } = createNe;
+
+  const connectTest = useTopologyConnectTest({ closeCtxMenu });
+  const {
+    connectDetailRow,
+    connectTestSubmitting,
+    closeConnectDetail,
+    runConnectTestForNode,
+    runConnectTestForNodes,
+    onConnectRetestSubmitted,
+  } = connectTest;
+
   useEffect(() => {
     const syncFs = () => {
       const el = canvasRef.current;
@@ -1400,14 +1433,43 @@ export function TopologyPage() {
     void runDiscover([id]);
   };
 
-  const openCreateNeAt = (flowX: number, flowY: number) => {
-    if (isWorldFlatViewName(activeView?.name)) {
-      showError(t("topology.worldMapNoDirectNes"));
+  const selectedDiscoverableCount = useMemo(
+    () =>
+      selectedNodes.filter((n) =>
+        Boolean(String(n.data.managed_ne_id || n.data.ume_ne_id || "").trim()),
+      ).length,
+    [selectedNodes],
+  );
+
+  const selectedConnectableCount = useMemo(
+    () =>
+      selectedNodes.filter((n) => Boolean(String(n.data.managed_ne_id || "").trim())).length,
+    [selectedNodes],
+  );
+
+  const discoverSelectedFor = useCallback(() => {
+    closeCtxMenu();
+    if (!canWriteTopology) {
+      showError(t("topology.readOnlyHint"));
       return;
     }
-    closeCtxMenu();
-    setCreateNeDialog({ flowX, flowY, name: "", ip_address: "" });
-  };
+    const ids = [
+      ...new Set(
+        selectedNodes
+          .map((n) => String(n.data.managed_ne_id || n.data.ume_ne_id || "").trim())
+          .filter(Boolean),
+      ),
+    ];
+    if (!ids.length) {
+      showError(t("topology.discoverOneNeedNe"));
+      return;
+    }
+    void runDiscover(ids);
+  }, [closeCtxMenu, canWriteTopology, selectedNodes, runDiscover, showError, t]);
+
+  const connectTestSelectedFor = useCallback(() => {
+    void runConnectTestForNodes(selectedNodes);
+  }, [runConnectTestForNodes, selectedNodes]);
 
   const placeCtxMenu = (clientX: number, clientY: number, size?: { w?: number; h?: number }): { x: number; y: number } => {
     const pad = 8;
@@ -1418,58 +1480,6 @@ export function TopologyPage() {
     return { x: Math.max(pad, x), y: Math.max(pad, y) };
   };
 
-  const submitCreateNe = useCallback(async () => {
-    if (!mapId || !createNeDialog) return;
-    const name = createNeDialog.name.trim();
-    if (!name) {
-      showError(t("topology.createNeNameRequired"));
-      return;
-    }
-    setCreateNeBusy(true);
-    try {
-      const graph = await createTopologyPlaceholder(mapId, {
-        name,
-        ip_address: createNeDialog.ip_address.trim(),
-        x: createNeDialog.flowX,
-        y: createNeDialog.flowY,
-      });
-      queryClient.setQueryData(queryKeys.topologyGraph(mapId), graph);
-      historyLockRef.current = true;
-      applyViewGraph(graph, edgeDefaults, setNodes, setEdges);
-      historyLockRef.current = false;
-      clearDirty();
-      const created = graph.nodes.find(
-        (n) =>
-          String(n.name || "").trim() === name &&
-          Math.abs(Number(n.x) - createNeDialog.flowX) < 0.5 &&
-          Math.abs(Number(n.y) - createNeDialog.flowY) < 0.5,
-      );
-      if (created?.fabric_node_id) {
-        focusNode(created.fabric_node_id, false);
-      }
-      setCreateNeDialog(null);
-      showOk(t("topology.createNeDone").replace("{{name}}", name));
-      void queryClient.invalidateQueries({ queryKey: ["managedNe"] });
-      void queryClient.invalidateQueries({ queryKey: ["webcrtTargets"] });
-    } catch (err) {
-      showError(String(err));
-    } finally {
-      setCreateNeBusy(false);
-    }
-  }, [
-    mapId,
-    createNeDialog,
-    queryClient,
-    edgeDefaults,
-    setNodes,
-    setEdges,
-    clearDirty,
-    showError,
-    showOk,
-    t,
-    focusNode,
-  ]);
-
   const pendingLocateWorldRef = useRef<{
     id: string;
     worldX?: number;
@@ -2351,13 +2361,24 @@ export function TopologyPage() {
         onCloseNewRoot={() => setNewRootDialog(null)}
         onSubmitNewRoot={submitNewRoot}
         createRegionPending={createRegionMut.isPending}
-        createNeDialog={createNeDialog}
-        createNeBusy={createNeBusy}
-        onCreateNeChange={(patch) =>
-          setCreateNeDialog((prev) => (prev ? { ...prev, ...patch } : prev))
+        createNeModeOpen={createNeModeOpen}
+        onCloseCreateNeMode={closeCreateNeMode}
+        onPickCreateManaged={pickCreateManaged}
+        onPickCreatePlaceholder={pickCreatePlaceholder}
+        placeholderDialog={placeholderDialog}
+        placeholderBusy={placeholderBusy}
+        onPlaceholderChange={(patch) =>
+          setPlaceholderDialog((prev) => (prev ? { ...prev, ...patch } : prev))
         }
-        onCloseCreateNe={() => setCreateNeDialog(null)}
-        onSubmitCreateNe={submitCreateNe}
+        onClosePlaceholder={closePlaceholder}
+        onSubmitPlaceholder={submitPlaceholder}
+        managedFormOpen={managedFormOpen}
+        managedFormInitial={managedFormInitial}
+        onCloseManagedForm={closeManagedForm}
+        onManagedFormSaved={(item) => void onManagedFormSaved(item)}
+        connectDetailRow={connectDetailRow}
+        onCloseConnectDetail={closeConnectDetail}
+        onConnectRetestSubmitted={onConnectRetestSubmitted}
         outsidePeersOpen={outsidePeersOpen}
         outsidePeers={outsidePeers}
         outsidePeersVisible={outsidePeersVisible}
@@ -2419,12 +2440,18 @@ export function TopologyPage() {
           onClose={closeCtxMenu}
           onToggleFullscreen={toggleFullscreen}
           onRemoveSelected={removeSelected}
+          onDiscoverSelected={discoverSelectedFor}
+          onConnectTestSelected={connectTestSelectedFor}
+          selectedDiscoverableCount={selectedDiscoverableCount}
+          selectedConnectableCount={selectedConnectableCount}
           onOpenCreateNe={openCreateNeAt}
           onPromptNewSubRegion={promptNewSubRegion}
           onRenameSelectedNode={renameSelectedNode}
           onDiscoverOne={discoverOneFor}
           onOpenWebcrt={openWebcrtFor}
           onOpenNe={openNeFor}
+          onConnectTest={runConnectTestForNode}
+          connectTestBusy={connectTestSubmitting}
           onPurgePlaceholder={purgePlaceholderById}
           onRemoveNode={removeNodeById}
           onExpandPhysicalLinks={() => setExpandPhysicalLinks(true)}

web/src/pages/managedNe/ManagedNeConnectDetailDialog.tsx

@@ -0,0 +1,71 @@
+import { useMutation } from "@tanstack/react-query";
+import { connectTestManagedNe } from "../../services/api";
+import { useI18n } from "../../i18n";
+import { formatSystemTime } from "../../utils/time";
+import type { ManagedNeItem } from "../../types";
+import { connectPillLevel } from "./connectStatus";
+
+export type ManagedNeConnectDetailDialogProps = {
+  row: ManagedNeItem | null;
+  onClose: () => void;
+  /** Called after a retest is submitted so parent can refresh/poll. */
+  onRetestSubmitted?: (rowId: string) => void;
+};
+
+export function ManagedNeConnectDetailDialog({
+  row,
+  onClose,
+  onRetestSubmitted,
+}: ManagedNeConnectDetailDialogProps) {
+  const { t } = useI18n();
+  const connectMutation = useMutation({
+    mutationFn: connectTestManagedNe,
+    onSuccess: () => {
+      if (row) onRetestSubmitted?.(row.id);
+    },
+  });
+
+  if (!row) return null;
+
+  return (
+    <div className="modal-backdrop" role="presentation" onClick={onClose}>
+      <div className="modal modal--wide" role="dialog" onClick={(e) => e.stopPropagation()}>
+        <h3>{t("managedNe.connectDetailTitle")}</h3>
+        <p className="form-hint">
+          {row.name || row.ip_address} · {row.ip_address}:{row.port}/{row.protocol}
+          {row.connect_tested_at
+            ? ` · ${formatSystemTime(row.connect_tested_at, { assumeUtcNaive: true })}`
+            : ""}
+        </p>
+        <p>
+          <span className={`conn-pill conn-pill--${connectPillLevel(row.connect_status)}`}>
+            {row.connect_status}
+          </span>
+          {row.connect_message ? (
+            <span className="connect-detail-summary"> — {row.connect_message}</span>
+          ) : null}
+        </p>
+        <pre className="connect-log">
+          {row.connect_detail?.trim() || row.connect_message?.trim() || t("managedNe.connectDetailEmpty")}
+        </pre>
+        <div className="modal__actions">
+          <button
+            type="button"
+            disabled={connectMutation.isPending}
+            onClick={() => connectMutation.mutate([row.id])}
+          >
+            {connectMutation.isPending ? t("managedNe.connect.running") : t("managedNe.connect.retest")}
+          </button>
+          <button type="button" onClick={onClose}>
+            {t("managedNe.form.cancel")}
+          </button>
+        </div>
+        {connectMutation.isError ? (
+          <p className="form-hint" role="alert">
+            {String(connectMutation.error)}
+          </p>
+        ) : null}
+      </div>
+    </div>
+  );
+}

web/src/pages/managedNe/ManagedNeFormDialog.tsx

@@ -0,0 +1,273 @@
+import { useEffect, useMemo, useState, type ReactNode } from "react";
+import { useMutation, useQuery } from "@tanstack/react-query";
+import { createManagedNe, fetchManagedNeMeta, updateManagedNe } from "../../services/api";
+import { HopProxyFields } from "../../components/HopProxyFields";
+import { queryKeys } from "../../constants/queryKeys";
+import { useI18n } from "../../i18n";
+import { patchHopVendorChange } from "../../utils/hopProxy";
+import type { ManagedNeItem } from "../../types";
+import {
+  applyHopTemplate,
+  buildManagedNeSaveBody,
+  emptyManagedNeForm,
+  formFromManagedNe,
+  type ManagedNeFormState,
+} from "./formState";
+
+function FormLabel({ children, required }: { children: ReactNode; required?: boolean }) {
+  return (
+    <span className="form-label">
+      {children}
+      {required ? (
+        <span className="form-label__required" title="required" aria-hidden="true">
+          {" "}
+          *
+        </span>
+      ) : null}
+    </span>
+  );
+}
+
+export type ManagedNeFormDialogProps = {
+  open: boolean;
+  /** null = create mode */
+  editing: ManagedNeItem | null;
+  /** Prefill when creating (e.g. topology deep-link fields). Ignored when editing. */
+  initialValues?: Partial<ManagedNeFormState>;
+  onClose: () => void;
+  onSaved: (item: ManagedNeItem) => void;
+};
+
+export function ManagedNeFormDialog({
+  open,
+  editing,
+  initialValues,
+  onClose,
+  onSaved,
+}: ManagedNeFormDialogProps) {
+  const { t } = useI18n();
+  const [form, setForm] = useState<ManagedNeFormState>(emptyManagedNeForm);
+
+  const metaQuery = useQuery({
+    queryKey: queryKeys.managedNeMeta,
+    queryFn: fetchManagedNeMeta,
+    staleTime: 60_000,
+    enabled: open,
+  });
+
+  // Reset only when the dialog opens or the edited row changes — avoid clobbering
+  // in-progress edits if the parent re-renders with a new initialValues object identity.
+  const editingId = editing?.id ?? "";
+  useEffect(() => {
+    if (!open) return;
+    if (editing) {
+      setForm(formFromManagedNe(editing));
+      return;
+    }
+    setForm({ ...emptyManagedNeForm(), ...(initialValues || {}) });
+    // eslint-disable-next-line react-hooks/exhaustive-deps -- seed once per open/create
+  }, [open, editingId]);
+
+  const vendors = metaQuery.data?.vendors ?? [];
+  const deviceTypes = useMemo(() => {
+    const base = metaQuery.data?.device_types ?? [];
+    const cur = String(form.device_type || "").trim();
+    if (cur && !base.includes(cur)) return [cur, ...base];
+    return base;
+  }, [metaQuery.data?.device_types, form.device_type]);
+
+  const saveMutation = useMutation({
+    mutationFn: async () => {
+      const body = buildManagedNeSaveBody(form, {
+        editing: Boolean(editing),
+        hopHostRequired: t("managedNe.hop.hostRequired"),
+        hopUserRequired: t("managedNe.hop.userRequired"),
+        hopPasswordRequired: t("managedNe.hop.passwordRequired"),
+      });
+      if (editing) {
+        return updateManagedNe(editing.id, body);
+      }
+      return createManagedNe(body);
+    },
+    onSuccess: (item) => {
+      onSaved(item);
+    },
+  });
+
+  if (!open) return null;
+
+  return (
+    <div
+      className="modal-backdrop"
+      role="presentation"
+      onClick={() => {
+        if (saveMutation.isPending) return;
+        onClose();
+      }}
+    >
+      <div className="modal" role="dialog" onClick={(e) => e.stopPropagation()}>
+        <h3>{editing ? t("managedNe.form.editTitle") : t("managedNe.form.createTitle")}</h3>
+        <p className="form-hint">{t("managedNe.form.requiredHint")}</p>
+        <div className="form-grid">
+          <label>
+            <FormLabel>{t("managedNe.col.name")}</FormLabel>
+            <input value={form.name} onChange={(e) => setForm({ ...form, name: e.target.value })} />
+            <span className="form-field-hint">{t("managedNe.form.nameConnectHint")}</span>
+          </label>
+          <label>
+            <FormLabel required>{t("managedNe.col.vendor")}</FormLabel>
+            <select
+              required
+              value={form.vendor}
+              onChange={(e) => {
+                const vendor = e.target.value;
+                setForm((prev) => {
+                  const next = { ...prev, vendor };
+                  const dt = String(prev.device_type || "").trim().toLowerCase();
+                  if (!dt || dt === "generic" || dt === "other" || dt === "linux") {
+                    if (vendor === "ZTE") next.device_type = "zte_zxros";
+                    else if (vendor === "Huawei") next.device_type = "huawei";
+                    else if (vendor === "Cisco") next.device_type = "cisco_ios";
+                    else if (vendor === "Juniper") next.device_type = "juniper_junos";
+                    else if (vendor === "Nokia") next.device_type = "nokia_sros";
+                  }
+                  return next;
+                });
+              }}
+            >
+              {vendors.map((v) => (
+                <option key={v} value={v}>
+                  {v}
+                </option>
+              ))}
+            </select>
+          </label>
+          <label>
+            <FormLabel required>{t("managedNe.col.deviceType")}</FormLabel>
+            <select
+              required
+              value={form.device_type}
+              onChange={(e) => setForm({ ...form, device_type: e.target.value })}
+            >
+              {deviceTypes.map((dt) => (
+                <option key={dt} value={dt}>
+                  {dt}
+                </option>
+              ))}
+            </select>
+          </label>
+          <label>
+            <FormLabel required>{t("managedNe.col.ip")}</FormLabel>
+            <input
+              required
+              value={form.ip_address}
+              onChange={(e) => setForm({ ...form, ip_address: e.target.value })}
+            />
+          </label>
+          <label>
+            <FormLabel>{t("managedNe.col.port")}</FormLabel>
+            <input
+              type="number"
+              value={form.port}
+              onChange={(e) => setForm({ ...form, port: Number(e.target.value) || 22 })}
+            />
+          </label>
+          <label>
+            <FormLabel>{t("managedNe.col.protocol")}</FormLabel>
+            <select value={form.protocol} onChange={(e) => setForm({ ...form, protocol: e.target.value })}>
+              <option value="ssh">ssh</option>
+              <option value="telnet">telnet</option>
+            </select>
+          </label>
+          <label>
+            <FormLabel required>{t("managedNe.col.user")}</FormLabel>
+            <input
+              required
+              value={form.username}
+              onChange={(e) => setForm({ ...form, username: e.target.value })}
+            />
+          </label>
+          <label>
+            <FormLabel>
+              {t("managedNe.col.password")}
+              <span className="form-label__optional"> ({t("managedNe.form.passwordOptional")})</span>
+            </FormLabel>
+            <input
+              type="password"
+              value={form.password}
+              onChange={(e) => setForm({ ...form, password: e.target.value })}
+            />
+          </label>
+          <label>
+            <FormLabel>{t("managedNe.col.tags")}</FormLabel>
+            <input value={form.tags} onChange={(e) => setForm({ ...form, tags: e.target.value })} />
+          </label>
+          <label className="form-grid__full">
+            <FormLabel>{t("managedNe.col.remark")}</FormLabel>
+            <input value={form.remark} onChange={(e) => setForm({ ...form, remark: e.target.value })} />
+          </label>
+        </div>
+
+        <fieldset className="form-fieldset form-grid__full">
+          <legend>{t("managedNe.hop.sectionTitle")}</legend>
+          <label className="form-check">
+            <input
+              type="checkbox"
+              checked={form.hop_enabled}
+              onChange={(e) => {
+                const hop_enabled = e.target.checked;
+                setForm((prev) => ({
+                  ...prev,
+                  hop_enabled,
+                  ...(hop_enabled
+                    ? {
+                        ...patchHopVendorChange(prev.hop_vendor, prev),
+                        ...applyHopTemplate(prev, prev.hop_protocol, prev.hop_vrf, true),
+                      }
+                    : {}),
+                }));
+              }}
+            />
+            <span className="form-check__text">{t("managedNe.hop.enable")}</span>
+          </label>
+          {form.hop_enabled ? (
+            <HopProxyFields
+              value={{
+                hop_vendor: form.hop_vendor,
+                hop_host: form.hop_host,
+                hop_port: form.hop_port,
+                hop_protocol: form.hop_protocol,
+                hop_username: form.hop_username,
+                hop_password: form.hop_password,
+                hop_command_template: form.hop_command_template,
+                hop_vrf: form.hop_vrf,
+                hop_target_auth_mode: form.hop_target_auth_mode,
+                hop_enter_system_view: form.hop_enter_system_view,
+              }}
+              onChange={(patch) => setForm((prev) => ({ ...prev, ...patch }))}
+              hopPasswordRequired={!editing}
+              hopPasswordOptional={Boolean(editing)}
+            />
+          ) : null}
+        </fieldset>
+        <div className="modal__actions">
+          <button type="button" disabled={saveMutation.isPending} onClick={onClose}>
+            {t("managedNe.form.cancel")}
+          </button>
+          <button
+            type="button"
+            disabled={saveMutation.isPending}
+            onClick={() => saveMutation.mutate()}
+          >
+            {saveMutation.isPending ? t("managedNe.form.saving") : t("managedNe.form.save")}
+          </button>
+        </div>
+        {saveMutation.isError ? (
+          <p className="form-hint" role="alert">
+            {String(saveMutation.error)}
+          </p>
+        ) : null}
+      </div>
+    </div>
+  );
+}

web/src/pages/managedNe/connectStatus.ts

@@ -0,0 +1,14 @@
+export function connectStatusClass(status: string): string {
+  if (status === "pass") return "pt-list-status--ok";
+  if (status === "fail") return "pt-list-status--failed";
+  if (status === "testing") return "pt-list-status--running";
+  return "pt-list-status--unknown";
+}
+
+export function connectPillLevel(status: string): "up" | "down" | "unknown" | "warn" {
+  const s = String(status || "").toLowerCase();
+  if (s === "pass" || s === "ok") return "up";
+  if (s === "fail" || s === "error") return "down";
+  if (s === "testing") return "warn";
+  return "unknown";
+}

web/src/pages/managedNe/formState.ts

@@ -0,0 +1,167 @@
+import {
+  defaultHopTemplate,
+  isAutoHopTemplate,
+  type HopVendor,
+} from "../../utils/hopProxy";
+import type { ManagedNeItem } from "../../types";
+
+export type ManagedNeFormState = {
+  name: string;
+  vendor: string;
+  device_type: string;
+  ip_address: string;
+  port: number;
+  protocol: string;
+  username: string;
+  password: string;
+  tags: string;
+  remark: string;
+  hop_enabled: boolean;
+  hop_vendor: HopVendor;
+  hop_host: string;
+  hop_port: number;
+  hop_protocol: string;
+  hop_username: string;
+  hop_password: string;
+  hop_command_template: string;
+  hop_vrf: string;
+  hop_target_auth_mode: "bastion_managed" | "manual";
+  hop_enter_system_view: boolean;
+};
+
+export function deviceTypeForVendor(vendor: string): string {
+  if (vendor === "ZTE") return "zte_zxros";
+  if (vendor === "Huawei") return "huawei";
+  if (vendor === "Cisco") return "cisco_ios";
+  if (vendor === "Juniper") return "juniper_junos";
+  if (vendor === "Nokia") return "nokia_sros";
+  return "generic";
+}
+
+export function emptyManagedNeForm(): ManagedNeFormState {
+  return {
+    name: "",
+    vendor: "ZTE",
+    device_type: "zte_zxros",
+    ip_address: "",
+    port: 22,
+    protocol: "ssh",
+    username: "",
+    password: "",
+    tags: "",
+    remark: "",
+    hop_enabled: false,
+    hop_vendor: "zte",
+    hop_host: "",
+    hop_port: 22,
+    hop_protocol: "ssh",
+    hop_username: "",
+    hop_password: "",
+    hop_command_template: defaultHopTemplate("zte", "ssh", ""),
+    hop_vrf: "",
+    hop_target_auth_mode: "bastion_managed",
+    hop_enter_system_view: false,
+  };
+}
+
+export function applyHopTemplate(
+  prev: ManagedNeFormState,
+  protocol: string,
+  vrf: string,
+  force = false,
+): Partial<ManagedNeFormState> {
+  if (
+    !force &&
+    !isAutoHopTemplate(prev.hop_command_template, prev.hop_vendor, prev.hop_protocol, prev.hop_vrf)
+  ) {
+    return {};
+  }
+  return { hop_command_template: defaultHopTemplate(prev.hop_vendor, protocol, vrf) };
+}
+
+export function formFromManagedNe(row: ManagedNeItem): ManagedNeFormState {
+  const hopVendor = (["linux", "huawei", "cisco", "zte", "bastion"].includes(row.hop_vendor)
+    ? row.hop_vendor
+    : "zte") as HopVendor;
+  return {
+    name: row.name,
+    vendor: row.vendor,
+    device_type: row.device_type,
+    ip_address: row.ip_address,
+    port: row.port,
+    protocol: row.protocol,
+    username: row.username,
+    password: "",
+    tags: row.tags,
+    remark: row.remark,
+    hop_enabled: row.hop_enabled,
+    hop_vendor: hopVendor,
+    hop_host: row.hop_host,
+    hop_port: row.hop_port,
+    hop_protocol: row.hop_protocol,
+    hop_username: row.hop_username,
+    hop_password: "",
+    hop_command_template: isAutoHopTemplate(
+      row.hop_command_template,
+      row.hop_vendor,
+      row.hop_protocol,
+      row.hop_vrf,
+    )
+      ? defaultHopTemplate(row.hop_vendor, row.hop_protocol, row.hop_vrf)
+      : row.hop_command_template || defaultHopTemplate(row.hop_vendor, row.hop_protocol, row.hop_vrf),
+    hop_vrf: row.hop_vrf,
+    hop_target_auth_mode: row.hop_target_auth_mode === "manual" ? "manual" : "bastion_managed",
+    hop_enter_system_view: Boolean(row.hop_enter_system_view),
+  };
+}
+
+export function managedSourceKey(
+  source: string | undefined,
+): "manual" | "ume_sync" | "webcrt" | "lldp" | "topology" | "" {
+  const s = String(source || "").trim().toLowerCase();
+  if (!s) return "manual";
+  if (s === "ume_sync" || s === "webcrt" || s === "lldp" || s === "topology") return s;
+  return "";
+}
+
+/** Build API body + hop validation. Throws Error with message key text already translated by caller. */
+export function buildManagedNeSaveBody(
+  form: ManagedNeFormState,
+  opts: { editing: boolean; hopHostRequired: string; hopUserRequired: string; hopPasswordRequired: string },
+): Record<string, unknown> {
+  const body: Record<string, unknown> = {
+    name: form.name,
+    vendor: form.vendor,
+    device_type: form.device_type,
+    ip_address: form.ip_address,
+    port: form.port,
+    protocol: form.protocol,
+    username: form.username,
+    tags: form.tags,
+    remark: form.remark,
+    hop_enabled: form.hop_enabled,
+    hop_vendor: form.hop_vendor,
+    hop_host: form.hop_host,
+    hop_port: form.hop_port,
+    hop_protocol: form.hop_protocol,
+    hop_username: form.hop_username,
+    hop_command_template: form.hop_command_template,
+    hop_vrf: form.hop_vrf,
+    hop_target_auth_mode: form.hop_target_auth_mode,
+    hop_enter_system_view: form.hop_enter_system_view,
+    ...(form.password ? { password: form.password } : {}),
+    ...(form.hop_password ? { hop_password: form.hop_password } : {}),
+  };
+  if (form.hop_enabled) {
+    if (!form.hop_host.trim()) throw new Error(opts.hopHostRequired);
+    if (!form.hop_username.trim()) throw new Error(opts.hopUserRequired);
+    if (!opts.editing && !form.hop_password) throw new Error(opts.hopPasswordRequired);
+  }
+  if (opts.editing) {
+    if (!form.password) delete body.password;
+    if (!form.hop_password) delete body.hop_password;
+  } else {
+    body.password = form.password || "";
+  }
+  return body;
+}

web/src/pages/topology/TopologyCtxMenu.tsx

@@ -33,12 +33,18 @@ export type TopologyCtxMenuProps = {
   onClose: () => void;
   onToggleFullscreen: () => void;
   onRemoveSelected: () => void;
+  onDiscoverSelected: () => void;
+  onConnectTestSelected: () => void;
+  selectedDiscoverableCount: number;
+  selectedConnectableCount: number;
   onOpenCreateNe: (flowX: number, flowY: number) => void;
   onPromptNewSubRegion: () => void;
   onRenameSelectedNode: () => void;
   onDiscoverOne: (node: Node<NeNodeData> | null) => void;
   onOpenWebcrt: (node: Node<NeNodeData> | null) => void;
   onOpenNe: (node: Node<NeNodeData> | null) => void;
+  onConnectTest: (node: Node<NeNodeData> | null) => void;
+  connectTestBusy?: boolean;
   onPurgePlaceholder: (id: string) => void;
   onRemoveNode: (id: string) => void;
   onExpandPhysicalLinks: () => void;
@@ -70,12 +76,18 @@ export function TopologyCtxMenu({
   onClose,
   onToggleFullscreen,
   onRemoveSelected,
+  onDiscoverSelected,
+  onConnectTestSelected,
+  selectedDiscoverableCount,
+  selectedConnectableCount,
   onOpenCreateNe,
   onPromptNewSubRegion,
   onRenameSelectedNode,
   onDiscoverOne,
   onOpenWebcrt,
   onOpenNe,
+  onConnectTest,
+  connectTestBusy = false,
   onPurgePlaceholder,
   onRemoveNode,
   onExpandPhysicalLinks,
@@ -98,7 +110,47 @@ export function TopologyCtxMenu({
         <>
           <li className="topo-ctx__head" role="presentation">
             {t("topology.selectionMenu")}
+            <span className="topo-ctx__count"> · {selectedNodeCount}</span>
           </li>
+          <li role="none">
+            <button
+              type="button"
+              className="topo-ctx__item"
+              role="menuitem"
+              disabled={discovering || selectedDiscoverableCount === 0}
+              title={
+                selectedDiscoverableCount === 0 ? t("topology.discoverOneNeedNe") : undefined
+              }
+              onClick={() => onDiscoverSelected()}
+            >
+              {t("topology.discoverSelected").replace(
+                "{{count}}",
+                String(selectedDiscoverableCount || selectedNodeCount),
+              )}
+            </button>
+          </li>
+          <li role="none">
+            <button
+              type="button"
+              className="topo-ctx__item"
+              role="menuitem"
+              disabled={connectTestBusy || selectedConnectableCount === 0}
+              title={
+                selectedConnectableCount === 0
+                  ? t("topology.connectTestNeedManaged")
+                  : undefined
+              }
+              onClick={() => onConnectTestSelected()}
+            >
+              {connectTestBusy
+                ? t("managedNe.connect.running")
+                : t("topology.connectTestSelected").replace(
+                    "{{count}}",
+                    String(selectedConnectableCount || selectedNodeCount),
+                  )}
+            </button>
+          </li>
+          <li className="topo-ctx__sep" aria-hidden />
           <li role="none">
             <button
               type="button"
@@ -225,6 +277,24 @@ export function TopologyCtxMenu({
               {t("topology.openNe")}
             </button>
           </li>
+          <li role="none">
+            <button
+              type="button"
+              className="topo-ctx__item"
+              role="menuitem"
+              disabled={
+                connectTestBusy || !String(selectedNode?.data.managed_ne_id || "").trim()
+              }
+              title={
+                !String(selectedNode?.data.managed_ne_id || "").trim()
+                  ? t("topology.connectTestNeedManaged")
+                  : undefined
+              }
+              onClick={() => onConnectTest(selectedNode)}
+            >
+              {connectTestBusy ? t("managedNe.connect.running") : t("topology.connectTest")}
+            </button>
+          </li>
           <li className="topo-ctx__sep" aria-hidden />
           {selectedNode &&
           isPlaceholderSource(selectedNode.data.managed_source, selectedNode.data.ne_ip) ? (

web/src/pages/topology/TopologyModals.tsx

@@ -1,14 +1,20 @@
 import type { DragEvent } from "react";
 import type { TopologyOutsidePeer } from "../../types";
-import { useI18n } from "../../i18n";
 import type { PaletteItem, PaletteSource } from "./pageTypes";
+import { AddNePaletteDialog } from "./modals/AddNePaletteDialog";
+import { CreateNeModeDialog } from "./modals/CreateNeModeDialog";
+import { NewRootDialog } from "./modals/NewRootDialog";
+import {
+  PlaceholderCreateDialog,
+  type PlaceholderCreateDialogState,
+} from "./modals/PlaceholderCreateDialog";
+import { OutsidePeersDialog } from "./modals/OutsidePeersDialog";
+import { ManagedNeFormDialog } from "../managedNe/ManagedNeFormDialog";
+import { ManagedNeConnectDetailDialog } from "../managedNe/ManagedNeConnectDetailDialog";
+import type { ManagedNeItem } from "../../types";
+import type { ManagedNeFormState } from "../managedNe/formState";
 
-export type CreateNeDialogState = {
-  flowX: number;
-  flowY: number;
-  name: string;
-  ip_address: string;
-};
+export type { PlaceholderCreateDialogState as CreateNeDialogState };
 
 export type TopologyModalsProps = {
   canvasMode: boolean;
@@ -17,11 +23,27 @@ export type TopologyModalsProps = {
   onCloseNewRoot: () => void;
   onSubmitNewRoot: () => void;
   createRegionPending: boolean;
-  createNeDialog: CreateNeDialogState | null;
-  createNeBusy: boolean;
-  onCreateNeChange: (patch: Partial<Pick<CreateNeDialogState, "name" | "ip_address">>) => void;
-  onCloseCreateNe: () => void;
-  onSubmitCreateNe: () => void;
+
+  createNeModeOpen: boolean;
+  onCloseCreateNeMode: () => void;
+  onPickCreateManaged: () => void;
+  onPickCreatePlaceholder: () => void;
+
+  placeholderDialog: PlaceholderCreateDialogState | null;
+  placeholderBusy: boolean;
+  onPlaceholderChange: (patch: Partial<Pick<PlaceholderCreateDialogState, "name" | "ip_address">>) => void;
+  onClosePlaceholder: () => void;
+  onSubmitPlaceholder: () => void;
+
+  managedFormOpen: boolean;
+  managedFormInitial?: Partial<ManagedNeFormState>;
+  onCloseManagedForm: () => void;
+  onManagedFormSaved: (item: ManagedNeItem) => void;
+
+  connectDetailRow: ManagedNeItem | null;
+  onCloseConnectDetail: () => void;
+  onConnectRetestSubmitted: (rowId: string) => void;
+
   outsidePeersOpen: boolean;
   outsidePeers: TopologyOutsidePeer[];
   outsidePeersVisible: TopologyOutsidePeer[];
@@ -33,6 +55,7 @@ export type TopologyModalsProps = {
   outsidePeersAdding: boolean;
   onCloseOutsidePeers: () => void;
   onAddOutsidePeers: (ids: string[]) => void;
+
   addNeOpen: boolean;
   paletteSource: PaletteSource;
   onPaletteSourceChange: (source: PaletteSource) => void;
@@ -48,6 +71,7 @@ export type TopologyModalsProps = {
   onAddSelectedPalette: () => void;
 };
 
+/** Thin composer — keep individual dialogs in `modals/` / `managedNe/`. */
 export function TopologyModals({
   canvasMode,
   newRootDialog,
@@ -55,11 +79,22 @@ export function TopologyModals({
   onCloseNewRoot,
   onSubmitNewRoot,
   createRegionPending,
-  createNeDialog,
-  createNeBusy,
-  onCreateNeChange,
-  onCloseCreateNe,
-  onSubmitCreateNe,
+  createNeModeOpen,
+  onCloseCreateNeMode,
+  onPickCreateManaged,
+  onPickCreatePlaceholder,
+  placeholderDialog,
+  placeholderBusy,
+  onPlaceholderChange,
+  onClosePlaceholder,
+  onSubmitPlaceholder,
+  managedFormOpen,
+  managedFormInitial,
+  onCloseManagedForm,
+  onManagedFormSaved,
+  connectDetailRow,
+  onCloseConnectDetail,
+  onConnectRetestSubmitted,
   outsidePeersOpen,
   outsidePeers,
   outsidePeersVisible,
@@ -85,460 +120,72 @@ export function TopologyModals({
   onPaletteDragStart,
   onAddSelectedPalette,
 }: TopologyModalsProps) {
-  const { t } = useI18n();
-
   return (
     <>
-      {newRootDialog ? (
-        <div
-          className="topo-modal"
-          role="dialog"
-          aria-modal="true"
-          aria-labelledby="topo-new-root-title"
-        >
-          <div className="topo-modal__backdrop" onClick={onCloseNewRoot} />
-          <div className="topo-modal__panel" style={{ maxWidth: 420 }}>
-            <div className="topo-modal__head">
-              <strong id="topo-new-root-title">{t("topology.newRegion")}</strong>
-              <button type="button" className="btn btn--sm btn--ghost" onClick={onCloseNewRoot}>
-                {t("topology.discoverClose")}
-              </button>
-            </div>
-            <p className="panel__hint topo-modal__hint">{t("topology.folderHint")}</p>
-            <div className="form-grid" style={{ padding: "0 16px 8px" }}>
-              <label>
-                <span className="form-label">{t("topology.newRegionPrompt")}</span>
-                <input
-                  autoFocus
-                  value={newRootDialog.name}
-                  disabled={createRegionPending}
-                  onChange={(e) => onNewRootNameChange(e.target.value)}
-                  onKeyDown={(e) => {
-                    if (e.key === "Enter") onSubmitNewRoot();
-                  }}
+      <NewRootDialog
+        dialog={newRootDialog}
+        pending={createRegionPending}
+        onNameChange={onNewRootNameChange}
+        onClose={onCloseNewRoot}
+        onSubmit={onSubmitNewRoot}
       />
-              </label>
-            </div>
-            <div className="topo-modal__foot">
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={createRegionPending}
-                onClick={onCloseNewRoot}
-              >
-                {t("topology.discoverClose")}
-              </button>
-              <button
-                type="button"
-                className="btn btn--sm"
-                disabled={createRegionPending || !String(newRootDialog.name || "").trim()}
-                onClick={onSubmitNewRoot}
-              >
-                {createRegionPending ? "…" : t("topology.newRegion")}
-              </button>
-            </div>
-          </div>
-        </div>
-      ) : null}
 
-      {createNeDialog && canvasMode ? (
-        <div
-          className="topo-modal"
-          role="dialog"
-          aria-modal="true"
-          aria-labelledby="topo-create-ne-title"
-        >
-          <div
-            className="topo-modal__backdrop"
-            onClick={() => {
-              if (createNeBusy) return;
-              onCloseCreateNe();
-            }}
+      {canvasMode ? (
+        <>
+          <CreateNeModeDialog
+            open={createNeModeOpen}
+            onClose={onCloseCreateNeMode}
+            onPickManaged={onPickCreateManaged}
+            onPickPlaceholder={onPickCreatePlaceholder}
           />
-          <div className="topo-modal__panel" style={{ maxWidth: 420 }}>
-            <div className="topo-modal__head">
-              <strong id="topo-create-ne-title">{t("topology.createNeTitle")}</strong>
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={createNeBusy}
-                onClick={onCloseCreateNe}
-              >
-                {t("topology.discoverClose")}
-              </button>
-            </div>
-            <p className="panel__hint topo-modal__hint">{t("topology.createNeHint")}</p>
-            <div className="form-grid" style={{ padding: "0 16px 8px" }}>
-              <label>
-                <span className="form-label">
-                  {t("topology.createNeName")}
-                  <span className="form-label__required" aria-hidden="true">
-                    {" "}
-                    *
-                  </span>
-                </span>
-                <input
-                  autoFocus
-                  value={createNeDialog.name}
-                  placeholder={t("topology.createNeNamePh")}
-                  disabled={createNeBusy}
-                  onChange={(e) => onCreateNeChange({ name: e.target.value })}
-                  onKeyDown={(e) => {
-                    if (e.key === "Enter") void onSubmitCreateNe();
-                  }}
+          <PlaceholderCreateDialog
+            dialog={placeholderDialog}
+            busy={placeholderBusy}
+            onChange={onPlaceholderChange}
+            onClose={onClosePlaceholder}
+            onSubmit={onSubmitPlaceholder}
           />
-              </label>
-              <label>
-                <span className="form-label">{t("topology.createNeIp")}</span>
-                <input
-                  value={createNeDialog.ip_address}
-                  placeholder={t("topology.createNeIpPh")}
-                  disabled={createNeBusy}
-                  onChange={(e) => onCreateNeChange({ ip_address: e.target.value })}
-                  onKeyDown={(e) => {
-                    if (e.key === "Enter") void onSubmitCreateNe();
-                  }}
+          <ManagedNeFormDialog
+            open={managedFormOpen}
+            editing={null}
+            initialValues={managedFormInitial}
+            onClose={onCloseManagedForm}
+            onSaved={onManagedFormSaved}
           />
-              </label>
-            </div>
-            <div className="topo-modal__foot">
-              <button
-                type="button"
-                className="btn btn--ghost"
-                disabled={createNeBusy}
-                onClick={onCloseCreateNe}
-              >
-                {t("topology.discoverClose")}
-              </button>
-              <button
-                type="button"
-                className="btn btn--primary"
-                disabled={createNeBusy}
-                onClick={() => void onSubmitCreateNe()}
-              >
-                {createNeBusy ? t("topology.createNeBusy") : t("topology.createNe")}
-              </button>
-            </div>
-          </div>
-        </div>
-      ) : null}
-
-      {outsidePeersOpen && canvasMode ? (
-        <div
-          className="topo-modal"
-          role="dialog"
-          aria-modal="true"
-          aria-label={t("topology.outsidePeersTitle")}
-        >
-          <div
-            className="topo-modal__backdrop"
-            onClick={() => {
-              if (outsidePeersAdding) return;
-              onCloseOutsidePeers();
-            }}
+          <ManagedNeConnectDetailDialog
+            row={connectDetailRow}
+            onClose={onCloseConnectDetail}
+            onRetestSubmitted={onConnectRetestSubmitted}
           />
-          <div className="topo-modal__panel topo-modal__panel--wide">
-            <div className="topo-modal__head">
-              <strong>
-                {t("topology.outsidePeersTitle")}
-                <span className="topo-modal__count"> · {outsidePeers.length}</span>
-              </strong>
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={outsidePeersAdding}
-                onClick={onCloseOutsidePeers}
-              >
-                {t("topology.discoverClose")}
-              </button>
-            </div>
-            <p className="panel__hint topo-modal__hint">{t("topology.outsidePeersHint")}</p>
-            <input
-              className="input"
-              value={outsidePeerQuery}
-              onChange={(e) => onOutsidePeerQueryChange(e.target.value)}
-              placeholder={t("topology.outsidePeersFilterPh")}
-              disabled={outsidePeersAdding}
-              autoFocus
+          <OutsidePeersDialog
+            open={outsidePeersOpen}
+            outsidePeers={outsidePeers}
+            outsidePeersVisible={outsidePeersVisible}
+            outsidePeerQuery={outsidePeerQuery}
+            onOutsidePeerQueryChange={onOutsidePeerQueryChange}
+            outsidePeerSelectedIds={outsidePeerSelectedIds}
+            onOutsidePeerSelectedIdsChange={onOutsidePeerSelectedIdsChange}
+            outsidePeerNameById={outsidePeerNameById}
+            outsidePeersAdding={outsidePeersAdding}
+            onClose={onCloseOutsidePeers}
+            onAddOutsidePeers={onAddOutsidePeers}
           />
-            {outsidePeersVisible.length > 0 ? (
-              <div className="topo-modal__selectbar">
-                <label className="topo-modal__selectall">
-                  <input
-                    type="checkbox"
-                    checked={
-                      outsidePeersVisible.length > 0 &&
-                      outsidePeersVisible.every((p) =>
-                        outsidePeerSelectedIds.includes(p.fabric_node_id),
-                      )
-                    }
-                    disabled={outsidePeersAdding}
-                    onChange={(e) => {
-                      if (e.target.checked) {
-                        onOutsidePeerSelectedIdsChange((prev) => [
-                          ...new Set([
-                            ...prev,
-                            ...outsidePeersVisible.map((p) => p.fabric_node_id),
-                          ]),
-                        ]);
-                        return;
-                      }
-                      const drop = new Set(outsidePeersVisible.map((p) => p.fabric_node_id));
-                      onOutsidePeerSelectedIdsChange((prev) => prev.filter((id) => !drop.has(id)));
-                    }}
-                    aria-label={t("topology.selectAllVisible")}
+          <AddNePaletteDialog
+            open={addNeOpen}
+            paletteSource={paletteSource}
+            onPaletteSourceChange={onPaletteSourceChange}
+            keyword={keyword}
+            onKeywordChange={onKeywordChange}
+            paletteVisible={paletteVisible}
+            paletteSelectedKeys={paletteSelectedKeys}
+            onPaletteSelectedKeysChange={onPaletteSelectedKeysChange}
+            paletteLoading={paletteLoading}
+            paletteAdding={paletteAdding}
+            onClose={onCloseAddNe}
+            onPaletteDragStart={onPaletteDragStart}
+            onAddSelected={onAddSelectedPalette}
           />
-                  <span>{t("topology.selectAllVisible")}</span>
-                </label>
-                <span className="panel__hint">
-                  {t("topology.selectedCount").replace(
-                    "{{count}}",
-                    String(outsidePeerSelectedIds.length),
-                  )}
-                </span>
-              </div>
-            ) : null}
-            <ul className="topo-palette topo-modal__list">
-              {outsidePeersVisible.length === 0 ? (
-                <li className="topo-palette__empty">
-                  <span className="panel__hint">{t("topology.outsidePeersEmpty")}</span>
-                </li>
-              ) : (
-                outsidePeersVisible.map((peer) => {
-                  const checked = outsidePeerSelectedIds.includes(peer.fabric_node_id);
-                  const viaName =
-                    outsidePeerNameById.get(peer.via_node_id) || peer.via_node_id.slice(0, 8);
-                  const title = peer.name || peer.ip || peer.fabric_node_id.slice(0, 8);
-                  return (
-                    <li key={peer.fabric_node_id}>
-                      <div className={`topo-palette__row${checked ? " is-selected" : ""}`}>
-                        <label className="topo-palette__check">
-                          <input
-                            type="checkbox"
-                            checked={checked}
-                            disabled={outsidePeersAdding}
-                            onChange={(e) => {
-                              onOutsidePeerSelectedIdsChange((prev) =>
-                                e.target.checked
-                                  ? [...new Set([...prev, peer.fabric_node_id])]
-                                  : prev.filter((id) => id !== peer.fabric_node_id),
-                              );
-                            }}
-                            aria-label={title}
-                          />
-                        </label>
-                        <button
-                          type="button"
-                          className="topo-palette__item"
-                          disabled={outsidePeersAdding}
-                          onClick={() => {
-                            onOutsidePeerSelectedIdsChange((prev) =>
-                              prev.includes(peer.fabric_node_id)
-                                ? prev.filter((id) => id !== peer.fabric_node_id)
-                                : [...prev, peer.fabric_node_id],
-                            );
-                          }}
-                        >
-                          <span className="topo-palette__name">{title}</span>
-                          <span className="topo-palette__meta">
-                            {[peer.ip, t("topology.outsidePeersVia").replace("{{name}}", viaName)]
-                              .filter(Boolean)
-                              .join(" · ")}
-                          </span>
-                        </button>
-                      </div>
-                    </li>
-                  );
-                })
-              )}
-            </ul>
-            <div className="topo-modal__foot">
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={outsidePeersAdding}
-                onClick={onCloseOutsidePeers}
-              >
-                {t("topology.discoverClose")}
-              </button>
-              <button
-                type="button"
-                className="btn btn--sm"
-                disabled={outsidePeerSelectedIds.length === 0 || outsidePeersAdding}
-                onClick={() => void onAddOutsidePeers(outsidePeerSelectedIds)}
-              >
-                {outsidePeersAdding
-                  ? t("topology.addingNe")
-                  : t("topology.addSelected").replace(
-                      "{{count}}",
-                      String(outsidePeerSelectedIds.length),
-                    )}
-              </button>
-            </div>
-          </div>
-        </div>
-      ) : null}
-
-      {addNeOpen && canvasMode ? (
-        <div className="topo-modal" role="dialog" aria-modal="true" aria-label={t("topology.addNe")}>
-          <div
-            className="topo-modal__backdrop"
-            onClick={() => {
-              if (paletteAdding) return;
-              onCloseAddNe();
-            }}
-          />
-          <div className="topo-modal__panel">
-            <div className="topo-modal__head">
-              <strong>{t("topology.addNe")}</strong>
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={paletteAdding}
-                onClick={onCloseAddNe}
-              >
-                {t("topology.discoverClose")}
-              </button>
-            </div>
-            <p className="panel__hint topo-modal__hint">{t("topology.paletteHint")}</p>
-            <div className="topo-palette-source" role="tablist">
-              <button
-                type="button"
-                role="tab"
-                aria-selected={paletteSource === "managed"}
-                className={`topo-palette-source__btn${paletteSource === "managed" ? " is-active" : ""}`}
-                disabled={paletteAdding}
-                onClick={() => onPaletteSourceChange("managed")}
-              >
-                {t("topology.paletteManaged")}
-              </button>
-              <button
-                type="button"
-                role="tab"
-                aria-selected={paletteSource === "ume"}
-                className={`topo-palette-source__btn${paletteSource === "ume" ? " is-active" : ""}`}
-                disabled={paletteAdding}
-                onClick={() => onPaletteSourceChange("ume")}
-              >
-                {t("topology.paletteUme")}
-              </button>
-            </div>
-            <input
-              className="input"
-              value={keyword}
-              onChange={(e) => onKeywordChange(e.target.value)}
-              placeholder={t("topology.filterPh")}
-              disabled={paletteAdding}
-              autoFocus
-            />
-            {paletteVisible.length > 0 ? (
-              <div className="topo-modal__selectbar">
-                <label className="topo-modal__selectall">
-                  <input
-                    type="checkbox"
-                    checked={
-                      paletteVisible.length > 0 &&
-                      paletteVisible.every((item) => paletteSelectedKeys.includes(item.key))
-                    }
-                    disabled={paletteAdding}
-                    onChange={(e) => {
-                      if (e.target.checked) {
-                        onPaletteSelectedKeysChange(paletteVisible.map((item) => item.key));
-                        return;
-                      }
-                      onPaletteSelectedKeysChange([]);
-                    }}
-                    aria-label={t("topology.selectAllVisible")}
-                  />
-                  <span>{t("topology.selectAllVisible")}</span>
-                </label>
-                <span className="panel__hint">
-                  {t("topology.selectedCount").replace(
-                    "{{count}}",
-                    String(paletteSelectedKeys.length),
-                  )}
-                </span>
-              </div>
-            ) : null}
-            <ul className="topo-palette topo-modal__list">
-              {paletteLoading ? (
-                <li className="topo-palette__empty">
-                  <span className="panel__hint">{t("topology.paletteLoading")}</span>
-                </li>
-              ) : paletteVisible.length === 0 ? (
-                <li className="topo-palette__empty">
-                  <span className="panel__hint">{t("topology.paletteEmpty")}</span>
-                </li>
-              ) : (
-                paletteVisible.map((item) => {
-                  const checked = paletteSelectedKeys.includes(item.key);
-                  return (
-                    <li key={item.key}>
-                      <div className={`topo-palette__row${checked ? " is-selected" : ""}`}>
-                        <label className="topo-palette__check">
-                          <input
-                            type="checkbox"
-                            checked={checked}
-                            disabled={paletteAdding}
-                            onChange={(e) => {
-                              onPaletteSelectedKeysChange((prev) =>
-                                e.target.checked
-                                  ? [...new Set([...prev, item.key])]
-                                  : prev.filter((key) => key !== item.key),
-                              );
-                            }}
-                            aria-label={item.name}
-                          />
-                        </label>
-                        <button
-                          type="button"
-                          className="topo-palette__item"
-                          draggable={!paletteAdding}
-                          disabled={paletteAdding}
-                          onClick={() => {
-                            onPaletteSelectedKeysChange((prev) =>
-                              prev.includes(item.key)
-                                ? prev.filter((key) => key !== item.key)
-                                : [...prev, item.key],
-                            );
-                          }}
-                          onDragStart={(e) => onPaletteDragStart(e, item)}
-                          title={t("topology.paletteDragHint")}
-                        >
-                          <span className="topo-palette__name">{item.name}</span>
-                          <span className="topo-palette__meta">{item.meta}</span>
-                        </button>
-                      </div>
-                    </li>
-                  );
-                })
-              )}
-            </ul>
-            <div className="topo-modal__foot">
-              <button
-                type="button"
-                className="btn btn--sm btn--ghost"
-                disabled={paletteAdding}
-                onClick={onCloseAddNe}
-              >
-                {t("topology.discoverClose")}
-              </button>
-              <button
-                type="button"
-                className="btn btn--sm"
-                disabled={paletteSelectedKeys.length === 0 || paletteAdding}
-                onClick={() => void onAddSelectedPalette()}
-              >
-                {paletteAdding
-                  ? t("topology.addingNe")
-                  : t("topology.addSelected").replace(
-                      "{{count}}",
-                      String(paletteSelectedKeys.length),
-                    )}
-              </button>
-            </div>
-          </div>
-        </div>
+        </>
       ) : null}
     </>
   );

web/src/pages/topology/hooks/useTopologyConnectTest.ts

@@ -0,0 +1,111 @@
+import { useCallback, useEffect, useState } from "react";
+import type { Node } from "@xyflow/react";
+import { connectTestManagedNe, fetchManagedNeById } from "../../../services/api";
+import { useI18n } from "../../../i18n";
+import { useToast } from "../../../hooks/useToast";
+import type { ManagedNeItem } from "../../../types";
+import type { NeNodeData } from "../TopologyReactFlowView";
+
+type Args = {
+  closeCtxMenu: () => void;
+};
+
+export function useTopologyConnectTest({ closeCtxMenu }: Args) {
+  const { t } = useI18n();
+  const { showOk, showError } = useToast();
+  const [detailRow, setDetailRow] = useState<ManagedNeItem | null>(null);
+  const [submitting, setSubmitting] = useState(false);
+
+  const refreshRow = useCallback(async (id: string) => {
+    const row = await fetchManagedNeById(id);
+    setDetailRow(row);
+    return row;
+  }, []);
+
+  useEffect(() => {
+    if (!detailRow || detailRow.connect_status !== "testing") return;
+    const id = detailRow.id;
+    const timer = window.setInterval(() => {
+      void refreshRow(id).catch(() => {
+        /* ignore transient poll errors */
+      });
+    }, 2000);
+    return () => window.clearInterval(timer);
+  }, [detailRow?.id, detailRow?.connect_status, refreshRow]);
+
+  const runForNode = useCallback(
+    async (node: Node<NeNodeData> | null) => {
+      closeCtxMenu();
+      const managedId = String(node?.data.managed_ne_id || "").trim();
+      if (!managedId) {
+        showError(t("topology.connectTestNeedManaged"));
+        return;
+      }
+      setSubmitting(true);
+      try {
+        const res = await connectTestManagedNe([managedId]);
+        showOk(t("managedNe.connect.submitted", { n: res.submitted }));
+        await refreshRow(managedId);
+      } catch (err) {
+        showError(String(err));
+      } finally {
+        setSubmitting(false);
+      }
+    },
+    [closeCtxMenu, refreshRow, showError, showOk, t],
+  );
+
+  /** Batch: submit connect tests; open detail only when exactly one managed NE. */
+  const runForNodes = useCallback(
+    async (nodes: Node<NeNodeData>[]) => {
+      closeCtxMenu();
+      const ids = [
+        ...new Set(
+          nodes
+            .map((n) => String(n.data.managed_ne_id || "").trim())
+            .filter(Boolean),
+        ),
+      ];
+      if (!ids.length) {
+        showError(t("topology.connectTestNeedManaged"));
+        return;
+      }
+      const skipped = nodes.length - ids.length;
+      setSubmitting(true);
+      try {
+        const res = await connectTestManagedNe(ids);
+        const msg = t("managedNe.connect.submitted", { n: res.submitted });
+        showOk(
+          skipped > 0
+            ? `${msg} · ${t("topology.connectTestSkipped").replace("{{count}}", String(skipped))}`
+            : msg,
+        );
+        if (ids.length === 1) {
+          await refreshRow(ids[0]);
+        }
+      } catch (err) {
+        showError(String(err));
+      } finally {
+        setSubmitting(false);
+      }
+    },
+    [closeCtxMenu, refreshRow, showError, showOk, t],
+  );
+
+  const onRetestSubmitted = useCallback(
+    (rowId: string) => {
+      showOk(t("managedNe.connect.submitted", { n: 1 }));
+      void refreshRow(rowId);
+    },
+    [refreshRow, showOk, t],
+  );
+
+  return {
+    connectDetailRow: detailRow,
+    connectTestSubmitting: submitting,
+    closeConnectDetail: () => setDetailRow(null),
+    runConnectTestForNode: runForNode,
+    runConnectTestForNodes: runForNodes,
+    onConnectRetestSubmitted: onRetestSubmitted,
+  };
+}

web/src/pages/topology/hooks/useTopologyCreateNe.ts

@@ -0,0 +1,225 @@
+import {
+  useCallback,
+  useRef,
+  useState,
+  type Dispatch,
+  type MutableRefObject,
+  type SetStateAction,
+} from "react";
+import { useQueryClient } from "@tanstack/react-query";
+import type { Edge, Node } from "@xyflow/react";
+import {
+  addTopologyViewNodes,
+  createTopologyPlaceholder,
+  fetchTopologyGraph,
+  patchTopologyPositions,
+} from "../../../services/api";
+import { queryKeys } from "../../../constants/queryKeys";
+import { useI18n } from "../../../i18n";
+import { useToast } from "../../../hooks/useToast";
+import type { ManagedNeItem } from "../../../types";
+import { applyViewGraph } from "../graphFlow";
+import type { EdgeDefaults } from "../edgeStyle";
+import type { PlaceholderCreateDialogState } from "../modals/PlaceholderCreateDialog";
+import type { ManagedNeFormState } from "../../managedNe/formState";
+import { isWorldFlatViewName } from "../treeUtils";
+import type { NeNodeData } from "../TopologyReactFlowView";
+
+type FocusNode = (fabricNodeId: string, fit?: boolean) => void;
+
+type Args = {
+  mapId: string | null | undefined;
+  activeViewName: string | undefined;
+  canWrite: boolean;
+  edgeDefaults: EdgeDefaults;
+  setNodes: Dispatch<SetStateAction<Node<NeNodeData>[]>>;
+  setEdges: Dispatch<SetStateAction<Edge[]>>;
+  clearDirty: () => void;
+  historyLockRef: MutableRefObject<boolean>;
+  focusNode: FocusNode;
+  closeCtxMenu: () => void;
+};
+
+export function useTopologyCreateNe({
+  mapId,
+  activeViewName,
+  canWrite,
+  edgeDefaults,
+  setNodes,
+  setEdges,
+  clearDirty,
+  historyLockRef,
+  focusNode,
+  closeCtxMenu,
+}: Args) {
+  const { t } = useI18n();
+  const { showOk, showError } = useToast();
+  const queryClient = useQueryClient();
+
+  const [modeOpen, setModeOpen] = useState(false);
+  const [placeAt, setPlaceAt] = useState<{ flowX: number; flowY: number } | null>(null);
+  const [placeholderDialog, setPlaceholderDialog] = useState<PlaceholderCreateDialogState | null>(
+    null,
+  );
+  const [placeholderBusy, setPlaceholderBusy] = useState(false);
+  const [managedFormOpen, setManagedFormOpen] = useState(false);
+  const [managedFormInitial, setManagedFormInitial] = useState<Partial<ManagedNeFormState> | undefined>();
+  const [managedBusy, setManagedBusy] = useState(false);
+  const placeAtRef = useRef(placeAt);
+  placeAtRef.current = placeAt;
+
+  const openCreateNeAt = useCallback(
+    (flowX: number, flowY: number) => {
+      if (!canWrite) {
+        showError(t("topology.readOnlyHint"));
+        return;
+      }
+      if (isWorldFlatViewName(activeViewName)) {
+        showError(t("topology.worldMapNoDirectNes"));
+        return;
+      }
+      closeCtxMenu();
+      setPlaceAt({ flowX, flowY });
+      setModeOpen(true);
+    },
+    [canWrite, activeViewName, closeCtxMenu, showError, t],
+  );
+
+  const closeMode = useCallback(() => setModeOpen(false), []);
+
+  const pickManaged = useCallback(() => {
+    setModeOpen(false);
+    setManagedFormInitial(undefined);
+    setManagedFormOpen(true);
+  }, []);
+
+  const pickPlaceholder = useCallback(() => {
+    const at = placeAtRef.current;
+    if (!at) return;
+    setModeOpen(false);
+    setPlaceholderDialog({ ...at, name: "", ip_address: "" });
+  }, []);
+
+  const closePlaceholder = useCallback(() => setPlaceholderDialog(null), []);
+
+  const closeManagedForm = useCallback(() => {
+    if (managedBusy) return;
+    setManagedFormOpen(false);
+  }, [managedBusy]);
+
+  const applyGraph = useCallback(
+    (graph: Awaited<ReturnType<typeof fetchTopologyGraph>>) => {
+      if (!mapId) return;
+      queryClient.setQueryData(queryKeys.topologyGraph(mapId), graph);
+      historyLockRef.current = true;
+      applyViewGraph(graph, edgeDefaults, setNodes, setEdges);
+      historyLockRef.current = false;
+      clearDirty();
+    },
+    [mapId, queryClient, edgeDefaults, setNodes, setEdges, clearDirty, historyLockRef],
+  );
+
+  const submitPlaceholder = useCallback(async () => {
+    if (!mapId || !placeholderDialog) return;
+    const name = placeholderDialog.name.trim();
+    if (!name) {
+      showError(t("topology.createNeNameRequired"));
+      return;
+    }
+    setPlaceholderBusy(true);
+    try {
+      const graph = await createTopologyPlaceholder(mapId, {
+        name,
+        ip_address: placeholderDialog.ip_address.trim(),
+        x: placeholderDialog.flowX,
+        y: placeholderDialog.flowY,
+      });
+      applyGraph(graph);
+      const created = graph.nodes.find(
+        (n) =>
+          String(n.name || "").trim() === name &&
+          Math.abs(Number(n.x) - placeholderDialog.flowX) < 0.5 &&
+          Math.abs(Number(n.y) - placeholderDialog.flowY) < 0.5,
+      );
+      if (created?.fabric_node_id) {
+        focusNode(created.fabric_node_id, false);
+      }
+      setPlaceholderDialog(null);
+      showOk(t("topology.createNeDone").replace("{{name}}", name));
+      void queryClient.invalidateQueries({ queryKey: queryKeys.managedNeAll });
+      void queryClient.invalidateQueries({ queryKey: ["webcrtTargets"] });
+    } catch (err) {
+      showError(String(err));
+    } finally {
+      setPlaceholderBusy(false);
+    }
+  }, [
+    mapId,
+    placeholderDialog,
+    applyGraph,
+    focusNode,
+    queryClient,
+    showError,
+    showOk,
+    t,
+  ]);
+
+  const onManagedFormSaved = useCallback(
+    async (item: ManagedNeItem) => {
+      setManagedFormOpen(false);
+      if (!mapId) {
+        showOk(t("managedNe.form.created"));
+        return;
+      }
+      const at = placeAtRef.current || { flowX: 80, flowY: 80 };
+      setManagedBusy(true);
+      try {
+        const graph = await addTopologyViewNodes(mapId, {
+          managed_ne_ids: [item.id],
+          layout: "grid",
+        });
+        const added = graph.nodes.find((n) => n.managed_ne_id === item.id);
+        if (added?.fabric_node_id) {
+          await patchTopologyPositions(mapId, [
+            {
+              fabric_node_id: added.fabric_node_id,
+              x: at.flowX,
+              y: at.flowY,
+              label: added.label || added.name || item.name || "",
+            },
+          ]);
+        }
+        const refreshed = await fetchTopologyGraph(mapId);
+        applyGraph(refreshed);
+        if (added?.fabric_node_id) {
+          focusNode(added.fabric_node_id, false);
+        }
+        showOk(t("topology.createManagedNeDone").replace("{{name}}", item.name || item.ip_address));
+        void queryClient.invalidateQueries({ queryKey: queryKeys.managedNeAll });
+        void queryClient.invalidateQueries({ queryKey: ["webcrtTargets"] });
+      } catch (err) {
+        showError(String(err));
+      } finally {
+        setManagedBusy(false);
+      }
+    },
+    [mapId, applyGraph, focusNode, queryClient, showError, showOk, t],
+  );
+
+  return {
+    modeOpen,
+    openCreateNeAt,
+    closeMode,
+    pickManaged,
+    pickPlaceholder,
+    placeholderDialog,
+    setPlaceholderDialog,
+    placeholderBusy,
+    closePlaceholder,
+    submitPlaceholder,
+    managedFormOpen,
+    managedFormInitial,
+    closeManagedForm,
+    onManagedFormSaved,
+  };
+}

web/src/pages/topology/modals/AddNePaletteDialog.tsx

@@ -0,0 +1,194 @@
+import type { DragEvent } from "react";
+import { useI18n } from "../../../i18n";
+import type { PaletteItem, PaletteSource } from "../pageTypes";
+
+export type AddNePaletteDialogProps = {
+  open: boolean;
+  paletteSource: PaletteSource;
+  onPaletteSourceChange: (source: PaletteSource) => void;
+  keyword: string;
+  onKeywordChange: (keyword: string) => void;
+  paletteVisible: PaletteItem[];
+  paletteSelectedKeys: string[];
+  onPaletteSelectedKeysChange: (keys: string[] | ((prev: string[]) => string[])) => void;
+  paletteLoading: boolean;
+  paletteAdding: boolean;
+  onClose: () => void;
+  onPaletteDragStart: (e: DragEvent, item: PaletteItem) => void;
+  onAddSelected: () => void;
+};
+
+export function AddNePaletteDialog({
+  open,
+  paletteSource,
+  onPaletteSourceChange,
+  keyword,
+  onKeywordChange,
+  paletteVisible,
+  paletteSelectedKeys,
+  onPaletteSelectedKeysChange,
+  paletteLoading,
+  paletteAdding,
+  onClose,
+  onPaletteDragStart,
+  onAddSelected,
+}: AddNePaletteDialogProps) {
+  const { t } = useI18n();
+  if (!open) return null;
+
+  return (
+    <div className="topo-modal" role="dialog" aria-modal="true" aria-label={t("topology.addNe")}>
+      <div
+        className="topo-modal__backdrop"
+        onClick={() => {
+          if (paletteAdding) return;
+          onClose();
+        }}
+      />
+      <div className="topo-modal__panel">
+        <div className="topo-modal__head">
+          <strong>{t("topology.addNe")}</strong>
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={paletteAdding}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+        </div>
+        <p className="panel__hint topo-modal__hint">{t("topology.paletteHint")}</p>
+        <div className="topo-palette-source" role="tablist">
+          <button
+            type="button"
+            role="tab"
+            aria-selected={paletteSource === "managed"}
+            className={`topo-palette-source__btn${paletteSource === "managed" ? " is-active" : ""}`}
+            disabled={paletteAdding}
+            onClick={() => onPaletteSourceChange("managed")}
+          >
+            {t("topology.paletteManaged")}
+          </button>
+          <button
+            type="button"
+            role="tab"
+            aria-selected={paletteSource === "ume"}
+            className={`topo-palette-source__btn${paletteSource === "ume" ? " is-active" : ""}`}
+            disabled={paletteAdding}
+            onClick={() => onPaletteSourceChange("ume")}
+          >
+            {t("topology.paletteUme")}
+          </button>
+        </div>
+        <input
+          className="input"
+          value={keyword}
+          onChange={(e) => onKeywordChange(e.target.value)}
+          placeholder={t("topology.filterPh")}
+          disabled={paletteAdding}
+          autoFocus
+        />
+        {paletteVisible.length > 0 ? (
+          <div className="topo-modal__selectbar">
+            <label className="topo-modal__selectall">
+              <input
+                type="checkbox"
+                checked={
+                  paletteVisible.length > 0 &&
+                  paletteVisible.every((item) => paletteSelectedKeys.includes(item.key))
+                }
+                disabled={paletteAdding}
+                onChange={(e) => {
+                  if (e.target.checked) {
+                    onPaletteSelectedKeysChange(paletteVisible.map((item) => item.key));
+                    return;
+                  }
+                  onPaletteSelectedKeysChange([]);
+                }}
+                aria-label={t("topology.selectAllVisible")}
+              />
+              <span>{t("topology.selectAllVisible")}</span>
+            </label>
+            <span className="panel__hint">
+              {t("topology.selectedCount").replace("{{count}}", String(paletteSelectedKeys.length))}
+            </span>
+          </div>
+        ) : null}
+        <ul className="topo-palette topo-modal__list">
+          {paletteLoading ? (
+            <li className="topo-palette__empty">
+              <span className="panel__hint">{t("topology.paletteLoading")}</span>
+            </li>
+          ) : paletteVisible.length === 0 ? (
+            <li className="topo-palette__empty">
+              <span className="panel__hint">{t("topology.paletteEmpty")}</span>
+            </li>
+          ) : (
+            paletteVisible.map((item) => {
+              const checked = paletteSelectedKeys.includes(item.key);
+              return (
+                <li key={item.key}>
+                  <div className={`topo-palette__row${checked ? " is-selected" : ""}`}>
+                    <label className="topo-palette__check">
+                      <input
+                        type="checkbox"
+                        checked={checked}
+                        disabled={paletteAdding}
+                        onChange={(e) => {
+                          onPaletteSelectedKeysChange((prev) =>
+                            e.target.checked
+                              ? [...new Set([...prev, item.key])]
+                              : prev.filter((key) => key !== item.key),
+                          );
+                        }}
+                        aria-label={item.name}
+                      />
+                    </label>
+                    <button
+                      type="button"
+                      className="topo-palette__item"
+                      draggable={!paletteAdding}
+                      disabled={paletteAdding}
+                      onClick={() => {
+                        onPaletteSelectedKeysChange((prev) =>
+                          prev.includes(item.key)
+                            ? prev.filter((key) => key !== item.key)
+                            : [...prev, item.key],
+                        );
+                      }}
+                      onDragStart={(e) => onPaletteDragStart(e, item)}
+                      title={t("topology.paletteDragHint")}
+                    >
+                      <span className="topo-palette__name">{item.name}</span>
+                      <span className="topo-palette__meta">{item.meta}</span>
+                    </button>
+                  </div>
+                </li>
+              );
+            })
+          )}
+        </ul>
+        <div className="topo-modal__foot">
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={paletteAdding}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+          <button
+            type="button"
+            className="btn btn--sm"
+            disabled={paletteSelectedKeys.length === 0 || paletteAdding}
+            onClick={() => void onAddSelected()}
+          >
+            {paletteAdding
+              ? t("topology.addingNe")
+              : t("topology.addSelected").replace("{{count}}", String(paletteSelectedKeys.length))}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/topology/modals/CreateNeModeDialog.tsx

@@ -0,0 +1,48 @@
+import { useI18n } from "../../../i18n";
+
+export type CreateNeModeDialogProps = {
+  open: boolean;
+  onClose: () => void;
+  onPickManaged: () => void;
+  onPickPlaceholder: () => void;
+};
+
+/** Choose formal Managed NE vs topology placeholder before opening the create flow. */
+export function CreateNeModeDialog({
+  open,
+  onClose,
+  onPickManaged,
+  onPickPlaceholder,
+}: CreateNeModeDialogProps) {
+  const { t } = useI18n();
+  if (!open) return null;
+
+  return (
+    <div className="topo-modal" role="dialog" aria-modal="true" aria-labelledby="topo-create-ne-mode-title">
+      <div className="topo-modal__backdrop" onClick={onClose} />
+      <div className="topo-modal__panel" style={{ maxWidth: 440 }}>
+        <div className="topo-modal__head">
+          <strong id="topo-create-ne-mode-title">{t("topology.createNe")}</strong>
+          <button type="button" className="btn btn--sm btn--ghost" onClick={onClose}>
+            {t("topology.discoverClose")}
+          </button>
+        </div>
+        <p className="panel__hint topo-modal__hint">{t("topology.createNeModeHint")}</p>
+        <div className="topo-create-ne-mode" style={{ padding: "0 16px 16px", display: "grid", gap: 10 }}>
+          <button type="button" className="btn" onClick={onPickManaged}>
+            <span style={{ display: "block", fontWeight: 600 }}>{t("topology.createNeManaged")}</span>
+            <span className="panel__hint" style={{ display: "block", marginTop: 4 }}>
+              {t("topology.createNeManagedHint")}
+            </span>
+          </button>
+          <button type="button" className="btn btn--ghost" onClick={onPickPlaceholder}>
+            <span style={{ display: "block", fontWeight: 600 }}>{t("topology.createNePlaceholder")}</span>
+            <span className="panel__hint" style={{ display: "block", marginTop: 4 }}>
+              {t("topology.createNePlaceholderHint")}
+            </span>
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/topology/modals/NewRootDialog.tsx

@@ -0,0 +1,66 @@
+import { useI18n } from "../../../i18n";
+
+export type NewRootDialogProps = {
+  dialog: { name: string } | null;
+  pending: boolean;
+  onNameChange: (name: string) => void;
+  onClose: () => void;
+  onSubmit: () => void;
+};
+
+export function NewRootDialog({ dialog, pending, onNameChange, onClose, onSubmit }: NewRootDialogProps) {
+  const { t } = useI18n();
+  if (!dialog) return null;
+
+  return (
+    <div
+      className="topo-modal"
+      role="dialog"
+      aria-modal="true"
+      aria-labelledby="topo-new-root-title"
+    >
+      <div className="topo-modal__backdrop" onClick={onClose} />
+      <div className="topo-modal__panel" style={{ maxWidth: 420 }}>
+        <div className="topo-modal__head">
+          <strong id="topo-new-root-title">{t("topology.newRegion")}</strong>
+          <button type="button" className="btn btn--sm btn--ghost" onClick={onClose}>
+            {t("topology.discoverClose")}
+          </button>
+        </div>
+        <p className="panel__hint topo-modal__hint">{t("topology.folderHint")}</p>
+        <div className="form-grid" style={{ padding: "0 16px 8px" }}>
+          <label>
+            <span className="form-label">{t("topology.newRegionPrompt")}</span>
+            <input
+              autoFocus
+              value={dialog.name}
+              disabled={pending}
+              onChange={(e) => onNameChange(e.target.value)}
+              onKeyDown={(e) => {
+                if (e.key === "Enter") onSubmit();
+              }}
+            />
+          </label>
+        </div>
+        <div className="topo-modal__foot">
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={pending}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+          <button
+            type="button"
+            className="btn btn--sm"
+            disabled={pending || !String(dialog.name || "").trim()}
+            onClick={onSubmit}
+          >
+            {pending ? "…" : t("topology.newRegion")}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/topology/modals/OutsidePeersDialog.tsx

@@ -0,0 +1,186 @@
+import type { TopologyOutsidePeer } from "../../../types";
+import { useI18n } from "../../../i18n";
+
+export type OutsidePeersDialogProps = {
+  open: boolean;
+  outsidePeers: TopologyOutsidePeer[];
+  outsidePeersVisible: TopologyOutsidePeer[];
+  outsidePeerQuery: string;
+  onOutsidePeerQueryChange: (q: string) => void;
+  outsidePeerSelectedIds: string[];
+  onOutsidePeerSelectedIdsChange: (ids: string[] | ((prev: string[]) => string[])) => void;
+  outsidePeerNameById: Map<string, string>;
+  outsidePeersAdding: boolean;
+  onClose: () => void;
+  onAddOutsidePeers: (ids: string[]) => void;
+};
+
+export function OutsidePeersDialog({
+  open,
+  outsidePeers,
+  outsidePeersVisible,
+  outsidePeerQuery,
+  onOutsidePeerQueryChange,
+  outsidePeerSelectedIds,
+  onOutsidePeerSelectedIdsChange,
+  outsidePeerNameById,
+  outsidePeersAdding,
+  onClose,
+  onAddOutsidePeers,
+}: OutsidePeersDialogProps) {
+  const { t } = useI18n();
+  if (!open) return null;
+
+  return (
+    <div
+      className="topo-modal"
+      role="dialog"
+      aria-modal="true"
+      aria-label={t("topology.outsidePeersTitle")}
+    >
+      <div
+        className="topo-modal__backdrop"
+        onClick={() => {
+          if (outsidePeersAdding) return;
+          onClose();
+        }}
+      />
+      <div className="topo-modal__panel topo-modal__panel--wide">
+        <div className="topo-modal__head">
+          <strong>
+            {t("topology.outsidePeersTitle")}
+            <span className="topo-modal__count"> · {outsidePeers.length}</span>
+          </strong>
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={outsidePeersAdding}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+        </div>
+        <p className="panel__hint topo-modal__hint">{t("topology.outsidePeersHint")}</p>
+        <input
+          className="input"
+          value={outsidePeerQuery}
+          onChange={(e) => onOutsidePeerQueryChange(e.target.value)}
+          placeholder={t("topology.outsidePeersFilterPh")}
+          disabled={outsidePeersAdding}
+          autoFocus
+        />
+        {outsidePeersVisible.length > 0 ? (
+          <div className="topo-modal__selectbar">
+            <label className="topo-modal__selectall">
+              <input
+                type="checkbox"
+                checked={
+                  outsidePeersVisible.length > 0 &&
+                  outsidePeersVisible.every((p) =>
+                    outsidePeerSelectedIds.includes(p.fabric_node_id),
+                  )
+                }
+                disabled={outsidePeersAdding}
+                onChange={(e) => {
+                  if (e.target.checked) {
+                    onOutsidePeerSelectedIdsChange((prev) => [
+                      ...new Set([...prev, ...outsidePeersVisible.map((p) => p.fabric_node_id)]),
+                    ]);
+                    return;
+                  }
+                  const drop = new Set(outsidePeersVisible.map((p) => p.fabric_node_id));
+                  onOutsidePeerSelectedIdsChange((prev) => prev.filter((id) => !drop.has(id)));
+                }}
+                aria-label={t("topology.selectAllVisible")}
+              />
+              <span>{t("topology.selectAllVisible")}</span>
+            </label>
+            <span className="panel__hint">
+              {t("topology.selectedCount").replace(
+                "{{count}}",
+                String(outsidePeerSelectedIds.length),
+              )}
+            </span>
+          </div>
+        ) : null}
+        <ul className="topo-palette topo-modal__list">
+          {outsidePeersVisible.length === 0 ? (
+            <li className="topo-palette__empty">
+              <span className="panel__hint">{t("topology.outsidePeersEmpty")}</span>
+            </li>
+          ) : (
+            outsidePeersVisible.map((peer) => {
+              const checked = outsidePeerSelectedIds.includes(peer.fabric_node_id);
+              const viaName =
+                outsidePeerNameById.get(peer.via_node_id) || peer.via_node_id.slice(0, 8);
+              const title = peer.name || peer.ip || peer.fabric_node_id.slice(0, 8);
+              return (
+                <li key={peer.fabric_node_id}>
+                  <div className={`topo-palette__row${checked ? " is-selected" : ""}`}>
+                    <label className="topo-palette__check">
+                      <input
+                        type="checkbox"
+                        checked={checked}
+                        disabled={outsidePeersAdding}
+                        onChange={(e) => {
+                          onOutsidePeerSelectedIdsChange((prev) =>
+                            e.target.checked
+                              ? [...new Set([...prev, peer.fabric_node_id])]
+                              : prev.filter((id) => id !== peer.fabric_node_id),
+                          );
+                        }}
+                        aria-label={title}
+                      />
+                    </label>
+                    <button
+                      type="button"
+                      className="topo-palette__item"
+                      disabled={outsidePeersAdding}
+                      onClick={() => {
+                        onOutsidePeerSelectedIdsChange((prev) =>
+                          prev.includes(peer.fabric_node_id)
+                            ? prev.filter((id) => id !== peer.fabric_node_id)
+                            : [...prev, peer.fabric_node_id],
+                        );
+                      }}
+                    >
+                      <span className="topo-palette__name">{title}</span>
+                      <span className="topo-palette__meta">
+                        {[peer.ip, t("topology.outsidePeersVia").replace("{{name}}", viaName)]
+                          .filter(Boolean)
+                          .join(" · ")}
+                      </span>
+                    </button>
+                  </div>
+                </li>
+              );
+            })
+          )}
+        </ul>
+        <div className="topo-modal__foot">
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={outsidePeersAdding}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+          <button
+            type="button"
+            className="btn btn--sm"
+            disabled={outsidePeerSelectedIds.length === 0 || outsidePeersAdding}
+            onClick={() => void onAddOutsidePeers(outsidePeerSelectedIds)}
+          >
+            {outsidePeersAdding
+              ? t("topology.addingNe")
+              : t("topology.addSelected").replace(
+                  "{{count}}",
+                  String(outsidePeerSelectedIds.length),
+                )}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/topology/modals/PlaceholderCreateDialog.tsx

@@ -0,0 +1,104 @@
+import { useI18n } from "../../../i18n";
+
+export type PlaceholderCreateDialogState = {
+  flowX: number;
+  flowY: number;
+  name: string;
+  ip_address: string;
+};
+
+export type PlaceholderCreateDialogProps = {
+  dialog: PlaceholderCreateDialogState | null;
+  busy: boolean;
+  onChange: (patch: Partial<Pick<PlaceholderCreateDialogState, "name" | "ip_address">>) => void;
+  onClose: () => void;
+  onSubmit: () => void;
+};
+
+export function PlaceholderCreateDialog({
+  dialog,
+  busy,
+  onChange,
+  onClose,
+  onSubmit,
+}: PlaceholderCreateDialogProps) {
+  const { t } = useI18n();
+  if (!dialog) return null;
+
+  return (
+    <div
+      className="topo-modal"
+      role="dialog"
+      aria-modal="true"
+      aria-labelledby="topo-create-ne-title"
+    >
+      <div
+        className="topo-modal__backdrop"
+        onClick={() => {
+          if (busy) return;
+          onClose();
+        }}
+      />
+      <div className="topo-modal__panel" style={{ maxWidth: 420 }}>
+        <div className="topo-modal__head">
+          <strong id="topo-create-ne-title">{t("topology.createNeTitle")}</strong>
+          <button
+            type="button"
+            className="btn btn--sm btn--ghost"
+            disabled={busy}
+            onClick={onClose}
+          >
+            {t("topology.discoverClose")}
+          </button>
+        </div>
+        <p className="panel__hint topo-modal__hint">{t("topology.createNeHint")}</p>
+        <div className="form-grid" style={{ padding: "0 16px 8px" }}>
+          <label>
+            <span className="form-label">
+              {t("topology.createNeName")}
+              <span className="form-label__required" aria-hidden="true">
+                {" "}
+                *
+              </span>
+            </span>
+            <input
+              autoFocus
+              value={dialog.name}
+              placeholder={t("topology.createNeNamePh")}
+              disabled={busy}
+              onChange={(e) => onChange({ name: e.target.value })}
+              onKeyDown={(e) => {
+                if (e.key === "Enter") void onSubmit();
+              }}
+            />
+          </label>
+          <label>
+            <span className="form-label">{t("topology.createNeIp")}</span>
+            <input
+              value={dialog.ip_address}
+              placeholder={t("topology.createNeIpPh")}
+              disabled={busy}
+              onChange={(e) => onChange({ ip_address: e.target.value })}
+              onKeyDown={(e) => {
+                if (e.key === "Enter") void onSubmit();
+              }}
+            />
+          </label>
+        </div>
+        <div className="topo-modal__foot">
+          <button type="button" className="btn btn--ghost" disabled={busy} onClick={onClose}>
+            {t("topology.discoverClose")}
+          </button>
+          <button
+            type="button"
+            className="btn btn--primary"
+            disabled={busy}
+            onClick={() => void onSubmit()}
+          >
+            {busy ? t("topology.createNeBusy") : t("topology.createNePlaceholder")}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}