refactor: 移除知识图谱统计信息的显示和相关逻辑（因为不准确）

- 在 `KnowledgeGraphSection.vue` 中，删除不准确的节点和边统计信息显示。
- 在 `KnowledgeGraphViewer.vue` 中，更新统计信息逻辑，移除对总节点和总边的依赖。
- 在 `database.js` 和 `graphStore.js` 中，移除图统计信息的初始化和重置逻辑，简化状态管理。

web/src/components/KnowledgeGraphSection.vue

@@ -2,10 +2,7 @@
   <div class="graph-section" v-if="isGraphSupported">
     <div class="graph-toolbar">
       <div class="toolbar-left">
-        <div class="graph-stats">
+        <!-- 移除了不准确的总节点数和总边数显示 -->
-          <a-tag color="blue" size="small">总节点: {{ graphStats.total_nodes || 0 }}</a-tag>
-          <a-tag color="green" size="small">总边: {{ graphStats.total_edges || 0 }}</a-tag>
-        </div>
       </div>
     </div>
     <div class="graph-container-compact">
@@ -23,7 +20,6 @@
         :initial-limit="graphLimit"
         :initial-depth="graphDepth"
         ref="graphViewerRef"
-        @update:stats="handleViewerStats"
       />
     </div>
 
@@ -109,10 +105,6 @@ const store = useDatabaseStore();
 const databaseId = computed(() => store.databaseId);
 const kbType = computed(() => store.database.kb_type);
 const kbTypeLabel = computed(() => getKbTypeLabel(kbType.value || 'lightrag'));
-const graphStats = computed({
-    get: () => store.graphStats,
-    set: (stats) => store.graphStats = stats
-});
 
 const graphViewerRef = ref(null);
 const showSettings = ref(false);
@@ -254,19 +246,6 @@ const scheduleGraphLoad = (delay = 200) => {
   }, delay);
 };
 
-// 处理子组件（Viewer）上报的统计信息，将其写入 database store 的 graphStats
-const handleViewerStats = (stats) => {
-  if (!stats) return;
-
-  // 合并现有 store.graphStats，优先使用来自 viewer 的值
-  store.graphStats = {
-    total_nodes: stats.total_nodes ?? store.graphStats.total_nodes ?? 0,
-    total_edges: stats.total_edges ?? store.graphStats.total_edges ?? 0,
-    displayed_nodes: stats.displayed_nodes ?? store.graphStats.displayed_nodes ?? 0,
-    displayed_edges: stats.displayed_edges ?? store.graphStats.displayed_edges ?? 0,
-    is_truncated: stats.is_truncated ?? store.graphStats.is_truncated ?? false,
-  }
-}
 
 watch(
   () => props.active,
@@ -279,14 +258,6 @@ watch(
 );
 
 watch(databaseId, () => {
-  // 重置统计信息
-  store.graphStats = {
-    total_nodes: 0,
-    total_edges: 0,
-    displayed_nodes: 0,
-    displayed_edges: 0,
-    is_truncated: false
-  };
   clearGraph();
 
   // 只有在新数据库支持图谱时才加载
@@ -297,13 +268,6 @@ watch(databaseId, () => {
 
 watch(isGraphSupported, (supported) => {
   if (!supported) {
-    store.graphStats = {
-      total_nodes: 0,
-      total_edges: 0,
-      displayed_nodes: 0,
-      displayed_edges: 0,
-      is_truncated: false
-    };
     clearGraph();
     return;
   }
@@ -339,12 +303,6 @@ onUnmounted(() => {
     display: flex;
     align-items: center;
     gap: 12px;
-
-    .graph-stats {
-      display: flex;
-      align-items: center;
-      gap: 8px;
-    }
   }
 
   .toolbar-right {

web/src/components/KnowledgeGraphViewer.vue

@@ -698,13 +698,10 @@ const loadGraphData = async () => {
 
       // 设置图数据
       graphStore.setRawGraph(rawGraph)
-      // 更新 displayed 计数（当前视图）以及来自后端的 total 计数（整个库）
+      // 更新当前显示的节点和边数量
       graphStore.stats = {
         displayed_nodes: graphResponse.data.nodes.length,
         displayed_edges: graphResponse.data.edges.length,
-        // 从 statsResponse 填充整个知识库的统计信息（后端返回 total_nodes/total_edges）
-        total_nodes: statsResponse.data.total_nodes ?? graphStore.stats.total_nodes ?? 0,
-        total_edges: statsResponse.data.total_edges ?? graphStore.stats.total_edges ?? 0,
         is_truncated: graphResponse.data.is_truncated
       }
 

web/src/stores/database.js

@@ -17,14 +17,7 @@ export const useDatabaseStore = defineStore('database', () => {
 
   const queryParams = ref([]);
   const meta = reactive({});
-  const graphStats = ref({
+    const selectedRowKeys = ref([]);
-    total_nodes: 0,
-    total_edges: 0,
-    displayed_nodes: 0,
-    displayed_edges: 0,
-    is_truncated: false,
-  });
-  const selectedRowKeys = ref([]);
 
   const state = reactive({
     databaseLoading: false,
@@ -377,7 +370,6 @@ export const useDatabaseStore = defineStore('database', () => {
     selectedFile,
     queryParams,
     meta,
-    graphStats,
     selectedRowKeys,
     state,
     getDatabaseInfo,

web/src/stores/graphStore.js

@@ -27,10 +27,9 @@ export const useGraphStore = defineStore('graph', {
 
     // 图统计信息
     stats: {
-      total_nodes: 0,
-      total_edges: 0,
       displayed_nodes: 0,
-      displayed_edges: 0
+      displayed_edges: 0,
+      is_truncated: false
     }
   }),
 
@@ -204,10 +203,9 @@ export const useGraphStore = defineStore('graph', {
     updateStats() {
       if (this.rawGraph) {
         this.stats = {
-          total_nodes: this.rawGraph.nodes.length,
-          total_edges: this.rawGraph.edges.length,
           displayed_nodes: this.rawGraph.nodes.length,
-          displayed_edges: this.rawGraph.edges.length
+          displayed_edges: this.rawGraph.edges.length,
+          is_truncated: this.rawGraph.is_truncated ?? this.stats?.is_truncated ?? false
         }
       }
     },
@@ -417,10 +415,9 @@ export const useGraphStore = defineStore('graph', {
       this.moveToSelectedNode = false
       this.graphIsEmpty = false
       this.stats = {
-        total_nodes: 0,
-        total_edges: 0,
         displayed_nodes: 0,
-        displayed_edges: 0
+        displayed_edges: 0,
+        is_truncated: false
       }
     }
   }