feat(graph): nd() helper supports when+limits fields; showLegend renders them

docs/automation-graph.html

@@ -325,8 +325,21 @@ const CATEGORY_LABELS = {
   mcp: 'MCP-сервер', lefthook: 'Lefthook job', memory: 'Memory-файл'
 };
 
-function nd(desc, reportsTo, manages, together, conflicts) {
-  return { desc, reportsTo, manages, together, conflicts: conflicts || [] };
+function nd(desc, when, limits, reportsTo, manages, together, conflicts) {
+  // Backward-compat: old 5-arg signature was nd(desc, reportsTo, manages, together, conflicts).
+  // If 2nd arg is an array, treat as old-style call and shift args.
+  if (Array.isArray(when)) {
+    return {
+      desc,
+      when: '',
+      limits: '',
+      reportsTo: when,
+      manages: limits,
+      together: reportsTo,
+      conflicts: (manages || []),
+    };
+  }
+  return { desc, when: when || '', limits: limits || '', reportsTo, manages, together, conflicts: conflicts || [] };
 }
 
 const NODE_DETAILS = {
@@ -918,6 +931,8 @@ function showLegend(nodeId) {
     `<span style="color:${catColor}; font-weight:600;">● ${catLabel}</span>`;
 
   document.getElementById('ld-desc').textContent = details.desc;
+  document.getElementById('ld-when').textContent = details.when || '—';
+  document.getElementById('ld-limits').textContent = details.limits || 'без особых ограничений';
 
   const ldReports = document.getElementById('ld-reports');
   ldReports.innerHTML = details.reportsTo.length