Polish topology tree UI and harden LLDP peer matching.

Make left-tree selection, hex browser, and sidebar chrome clearer while matching peers by hostname/ports instead of mgmt IP and reducing fabric-node insert deadlocks.

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

web/src/i18n/en.ts

@@ -1225,12 +1225,20 @@ const en = {
     tree: "Topology tree",
     treeLoading: "Loading tree…",
     treeHint: "Regions hold a physical map plus optional custom maps; open a map to edit the canvas.",
+    treeSearch: "Search NEs across maps",
+    treeSearchPh: "Name / IP",
+    treeSearchEmpty: "No matching NEs",
+    treeSearchNoViews: "Not on any map",
+    treeSearchNotOnMap: "This NE is not placed on any topology map yet",
+    treeSearchViewCount: "{{count}} map(s)",
+    treeSearchTruncated: "Showing first 30 of {{total}}",
     rootName: "Regions",
     selectRegion: "Select a region",
     openMap: "Open map",
+    openRegion: "Open region",
     kindPhysical: "Physical",
     kindCustom: "Custom",
-    regionNodeHint: "{{count}} map(s)",
+    regionNodeHint: "{{count}}P",
     layerNodeHint: "{{count}} NE(s)",
     layerNodeEmpty: "Click to create & open",
     rootCanvasHint: "Pick a region from the left tree.",
@@ -1238,6 +1246,7 @@ const en = {
     regionBrowseHint: "Region folder: physical + custom maps. Click to open.",
     browserTitle: "Topology folder",
     browserRegionSub: "{{count}} map(s)",
+    browserRegionsSub: "{{count}} region(s)",
     browserEmptyMaps: "No maps in this region yet.",
     addNe: "Add NE",
     backUp: "Back to region",