fix(dashboard): use vis.DataSet diffing to maintain zoom and physics simulation, and fix broken right-column flex HTML markup

server/src/dashboard.html

@@ -62,10 +62,7 @@
                 <button onclick="resetGraph()" title="Reset View">⌂</button>
             </div>
             <div id="network-container"></div>
-        </div>
+        </div><div class="right-column">
-        </div>
-        
-        <div class="right-column">
             <div class="panel search-panel">
                 <h2>Omni-Search</h2>
                 <input type="text" id="search-box" placeholder="Search memory (e.g., 'database')..." onkeyup="handleSearch(event)">
@@ -107,43 +104,52 @@
 
                 // Graph Initialization
         let network = null;
+        let nodesData = new vis.DataSet();
+        let edgesData = new vis.DataSet();
+
         async function loadGraph() {
             try {
                 const res = await fetch('/api/graph');
                 const data = await res.json();
                 
-                const nodes = [];
+                const newNodes = [];
-                const edges = [];
+                const newEdges = [];
                 const nodeIds = new Set();
                 
                 for (const [name, entity] of Object.entries(data.entities)) {
-                    nodes.push({ id: name, label: name, title: entity.observations.join('\n') });
+                    newNodes.push({ id: name, label: name, title: entity.observations.join('\n') });
                     nodeIds.add(name);
                 }
                 
                 data.relations.forEach(r => {
                     if (nodeIds.has(r.from) && nodeIds.has(r.to)) {
-                        edges.push({ from: r.from, to: r.to, label: r.relationType, arrows: 'to' });
+                        newEdges.push({ id: r.from + '-' + r.to + '-' + r.relationType, from: r.from, to: r.to, label: r.relationType, arrows: 'to' });
                     }
                 });
                 
+                // Sync nodes
+                const currentNodes = nodesData.getIds();
+                const toRemoveNodes = currentNodes.filter(id => !nodeIds.has(id));
+                nodesData.remove(toRemoveNodes);
+                nodesData.update(newNodes);
+
+                // Sync edges
+                const currentEdges = edgesData.getIds();
+                const newEdgeIds = new Set(newEdges.map(e => e.id));
+                const toRemoveEdges = currentEdges.filter(id => !newEdgeIds.has(id));
+                edgesData.remove(toRemoveEdges);
+                edgesData.update(newEdges);
+                
+                if (!network) {
                     const container = document.getElementById('network-container');
-                const graphData = { nodes: new vis.DataSet(nodes), edges: new vis.DataSet(edges) };
                     const options = {
                         nodes: { shape: 'dot', size: 16, font: { size: 12, color: '#333' }, color: { background: '#3498db', border: '#2980b9' } },
                         edges: { color: { color: '#bdc3c7' }, font: { size: 10, align: 'middle' } },
                         physics: { barnesHut: { gravitationalConstant: -2000, centralGravity: 0.3, springLength: 95 } }
                     };
-                
+                    network = new vis.Network(container, { nodes: nodesData, edges: edgesData }, options);
-                if (network) {
-                    network.setData(graphData);
-                } else {
-                    network = new vis.Network(container, graphData, options);
-                }
-            } catch (err) {
-                console.error("Failed to load graph", err); document.getElementById("network-container").innerHTML = "<div style=\"color:red;padding:20px;\">Error loading graph: " + err.message + "</div>";
-            }
                 }
+            } catch (err) { console.error("Failed to load graph", err); document.getElementById("network-container").innerHTML = "<div style=`"color:red;padding:20px;`">Error loading graph: " + err.message + "</div>"; } }
 
         // Kanban Board Initialization
         async function loadTasks() {
@@ -228,3 +234,6 @@
 
 
 
+
+
+