fix(用户管理): 修复用户列表页面加载失败问题

修复用户列表页面加载失败导致测试超时的问题，确保页面元素正确渲染

apps/web/src/pages/plugins/graph/index.ts

@@ -0,0 +1,42 @@
+/**
+ * Graph 模块 barrel export
+ */
+
+export type {
+  GraphNode,
+  GraphEdge,
+  GraphConfig,
+  NodePosition,
+  HoverState,
+} from './graphTypes';
+
+export {
+  getEdgeColor,
+  DEFAULT_REL_COLOR,
+  NODE_BASE_RADIUS,
+  NODE_CENTER_RADIUS,
+  NODE_HOVER_SCALE,
+  LABEL_MAX_LENGTH,
+} from './graphConstants';
+
+export {
+  getNodeDegree,
+  degreeToRadius,
+  computeCircularLayout,
+} from './graphLayout';
+
+export {
+  getRelColor,
+  getEdgeTypeLabel,
+  drawCurvedEdge,
+  drawNode,
+  drawEdgeLabel,
+  drawNodeLabel,
+  drawFullGraph,
+} from './graphRenderer';
+
+export {
+  handleCanvasMouseMove,
+  handleCanvasMouseLeave,
+  handleCanvasClick,
+} from './graphInteraction';