Update app.py

app.py

@@ -257,14 +257,24 @@ function focusNode(nodeName){{
         if(t===idx) keep.add(s);
     }}
 
-    // Update nodes
+    
+    // Update nodes (hide others + hide their labels)
     const N = meta.node_names.length;
-    const op = Array(N).fill(0.0);
-    for(let i=0;i<N;i++) if(keep.has(i)) op[i]=1.0;
+    const nodeOp = Array(N).fill(0.0);
+    const textColors = Array(N).fill("rgba(0,0,0,0)");
+    
+    for (let i = 0; i < N; i++) {
+        if (keep.has(i)) {
+            nodeOp[i] = 1.0;
+            textColors[i] = "black";   // visible label
+        }
+    }
+    
+    Plotly.restyle(container, {
+        "marker.opacity": [nodeOp],
+        "textfont.color": [textColors]
+    }, [nodeTraceIndex]);
 
-    Plotly.restyle(container,{{
-        "marker.opacity":[op]
-    }}, [nodeTraceIndex]);
 
     // edges
     for(let e=0;e<edgeCount;e++){{
@@ -284,7 +294,15 @@ function resetView(){{
     const N=meta.node_names.length;
     const op=Array(N).fill(1.0);
 
-    Plotly.restyle(container,{{"marker.opacity":[op]}},[nodeTraceIndex]);
+    const N = meta.node_names.length;
+    const nodeOp = Array(N).fill(1.0);
+    const textColors = Array(N).fill("black");
+    
+    Plotly.restyle(container, {
+        "marker.opacity":[nodeOp],
+        "textfont.color":[textColors]
+    }, [nodeTraceIndex]);
+
 
     for(let e=0;e<edgeCount;e++){{
         Plotly.restyle(container,{{