优化渲染节点功能，使用 ref 文件渲染大量节点

src/components/chat/hooks/useAgentToolActions.ts

@@ -136,26 +136,6 @@ const resolveTimeRange = (params: Record<string, unknown>) => ({
     (params.end as string | undefined),
 });
 
-const resolveStringRecord = (value: unknown): Record<string, string> => {
-  if (!value || typeof value !== "object" || Array.isArray(value)) {
-    return {};
-  }
-
-  return Object.fromEntries(
-    Object.entries(value as Record<string, unknown>)
-      .map(([key, recordValue]) => [String(key), String(recordValue ?? "")])
-      .filter(([, recordValue]) => recordValue.trim().length > 0),
-  );
-};
-
-const resolveStringArray = (value: unknown): string[] => {
-  if (!Array.isArray(value)) {
-    return [];
-  }
-
-  return value.map((item) => String(item).trim()).filter(Boolean);
-};
-
 const compactNames = (names: string[]) => {
   if (!names.length) return "";
   return names.length > 3
@@ -251,20 +231,20 @@ const buildToolAction = (
   }
 
   if (tool === "render_junctions") {
-    const nodeAreaMap = resolveStringRecord(params.node_area_map);
-    const areaIds = resolveStringArray(params.area_ids);
-    const areaColors = resolveStringRecord(params.area_colors);
+    const renderRef =
+      typeof params.render_ref === "string" ? params.render_ref.trim() : "";
 
     return {
-      action: {
-        type: "render_junctions",
-        nodeAreaMap,
-        areaIds,
-        areaColors,
-      },
+      action: renderRef
+        ? {
+            type: "render_junctions",
+            renderRef,
+            sessionId: undefined,
+          }
+        : null,
       kind: "map",
       title: "渲染节点分区",
-      description: `${Object.keys(nodeAreaMap).length} 个节点`,
+      description: renderRef || "渲染引用",
     };
   }
 
@@ -286,6 +266,11 @@ export const useAgentToolActions = () => {
         event.params,
       );
 
+      const normalizedAction =
+        action?.type === "render_junctions"
+          ? { ...action, sessionId: event.sessionId }
+          : action;
+
       options.appendArtifact(options.assistantMessageId, {
         id: `${event.tool}-${Date.now()}-${Math.random().toString(36).slice(2, 8)}`,
         tool: event.tool,
@@ -295,8 +280,8 @@ export const useAgentToolActions = () => {
         params: event.params,
       });
 
-      if (action) {
-        dispatchToolAction(action);
+      if (normalizedAction) {
+        dispatchToolAction(normalizedAction);
       }
     },
     [dispatchToolAction],