Project discover neighbors from scanned seeds only.

Accept optional seed ids on project-neighbors; canvas discover passes scanned fabric nodes and places new peers near them.

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

web/src/i18n/en.ts

@@ -1486,7 +1486,7 @@ const en = {
     snapGrid: "Snap to grid",
     autoLayoutDiscover: "Auto-layout after discover",
     discoverAutoAddUnmatched: "Auto-add unmatched NEs as placeholders on discover",
-    discoverProjectNeighbors: "Project direct neighbors onto canvas after discover",
+    discoverProjectNeighbors: "After discover, project neighbors of scanned NEs onto the canvas",
     undo: "Undo",
     redo: "Redo",
     discoverSelected: "Discover selected ({{count}})",

web/src/i18n/zh.ts

@@ -1477,7 +1477,7 @@ const zh = {
     snapGrid: "网格吸附",
     autoLayoutDiscover: "发现后自动布局",
     discoverAutoAddUnmatched: "发现时自动入库未匹配网元（占位）",
-    discoverProjectNeighbors: "发现后将直连邻居加入画布",
+    discoverProjectNeighbors: "发现后将本次扫描网元的直连邻居加入画布",
     undo: "撤销",
     redo: "重做",
     discoverSelected: "发现选中 ({{count}})",

web/src/pages/TopologyPage.tsx

@@ -1620,13 +1620,16 @@ export function TopologyPage() {
           throw new Error(job.error || "discover_failed");
         }
         const projected = discoverProjectNeighbors
-          ? await projectTopologyNeighbors(mapId)
+          ? await projectTopologyNeighbors(mapId, {
+              seed_fabric_node_ids: scoped.map((n) => n.id),
+            })
           : await fetchTopologyGraph(mapId);
         queryClient.setQueryData(queryKeys.topologyGraph(mapId), projected);
         appliedMapIdRef.current = mapId;
         let { rfNodes, rfEdges } = graphToFlow(projected.nodes, projected.edges, edgeDefaults);
         // Keep existing node positions when we did not auto-layout.
         const localPos = new Map(nodes.map((n) => [n.id, n.position]));
+        const beforeIds = new Set(nodes.map((n) => n.id));
         rfNodes = rfNodes.map((n) => {
           const p = localPos.get(n.id);
           return p ? { ...n, position: { ...p } } : n;
@@ -1649,7 +1652,8 @@ export function TopologyPage() {
         setNodes(rfNodes);
         setEdges(rfEdges);
         historyLockRef.current = false;
-        if (didAutoLayout) {
+        const addedNodes = rfNodes.filter((n) => !beforeIds.has(n.id)).length;
+        if (didAutoLayout || addedNodes > 0) {
           needsInitialFitRef.current = true;
           scheduleFitView(FIT_VIEW_OPTS);
         }

web/src/services/api.ts

@@ -1084,8 +1084,14 @@ export const removeTopologyViewNodes = (viewId: string, fabricNodeIds: string[])
     fabric_node_ids: fabricNodeIds,
   });
 
-export const projectTopologyNeighbors = (viewId: string) =>
-  apiPost<TopologyViewGraph>(`/v1/topology/views/${encodeURIComponent(viewId)}/project-neighbors`, {});
+export const projectTopologyNeighbors = (
+  viewId: string,
+  body?: { seed_fabric_node_ids?: string[]; managed_ne_ids?: string[] },
+) =>
+  apiPost<TopologyViewGraph>(
+    `/v1/topology/views/${encodeURIComponent(viewId)}/project-neighbors`,
+    body || {},
+  );
 
 export const patchTopologyEdgeStyle = (
   viewId: string,