Add automatic refresh functionality to GraphRAG

@@ -1858,6 +1858,9 @@
         let graphPanelTaskId = null;
         let graphPanelState = 'idle';
         let graphPanelLoading = false;
+        let graphPanelPollingTimer = null;
+        let graphPanelPollingTaskId = null;
+        const GRAPH_PANEL_POLL_INTERVAL = 4000;
         let configAutoRefreshTimer = null;
         let systemStarted = false;
         let systemStarting = false;
@@ -5156,6 +5159,8 @@ function getConsoleContainer() {
                     const target = graphPanelTaskId || (lastCompletedReportTask ? lastCompletedReportTask.task_id : null);
                     const url = target ? `/graph-viewer/${target}` : '/graph-viewer';
                     window.open(url, '_blank');
+                    // 用户手动查看时也可尝试拉取最新数据
+                    refreshGraphPanel(target || graphPanelTaskId, true);
                 });
             }
 
@@ -5224,6 +5229,9 @@ function getConsoleContainer() {
             if (message) {
                 setGraphPanelPlaceholder(message, state === 'error' ? 'error' : '');
             }
+            if (state === 'ready' || state === 'error') {
+                stopGraphPanelPolling();
+            }
         }
 
         function setGraphPanelPlaceholder(message, type = '') {
@@ -5421,6 +5429,25 @@ function getConsoleContainer() {
             hideGraphDetail();
         }
 
+        function startGraphPanelPolling(taskId) {
+            stopGraphPanelPolling();
+            graphPanelPollingTaskId = taskId || graphPanelTaskId || (lastCompletedReportTask ? lastCompletedReportTask.task_id : null);
+            if (!graphPanelPollingTaskId) {
+                return;
+            }
+            const poll = () => refreshGraphPanel(graphPanelPollingTaskId, true);
+            poll();
+            graphPanelPollingTimer = setInterval(poll, GRAPH_PANEL_POLL_INTERVAL);
+        }
+
+        function stopGraphPanelPolling() {
+            if (graphPanelPollingTimer) {
+                clearInterval(graphPanelPollingTimer);
+                graphPanelPollingTimer = null;
+            }
+            graphPanelPollingTaskId = null;
+        }
+
         async function fetchGraphData(taskId = null) {
             const url = taskId ? `/api/graph/${taskId}` : '/api/graph/latest';
             try {
@@ -5493,6 +5520,7 @@ function getConsoleContainer() {
                 updateGraphStats({ nodes: [], edges: [] });
                 setGraphPanelState('loading', '报告生成中，知识图谱生成后自动刷新');
                 setGraphPanelPlaceholder('正在生成知识图谱...');
+                startGraphPanelPolling(graphPanelTaskId);
             });
         }
 
@@ -5927,6 +5955,7 @@ function getConsoleContainer() {
                     updateTaskProgressStatus(null, 'error', '启动失败: ' + data.error);
                     // 重置标志允许重新尝试
                     autoGenerateTriggered = false;
+                    stopGraphPanelPolling();
                     reportTaskId = null;
                     setGenerateButtonState(false);
                     appendReportStreamLine('任务启动失败: ' + (data.error || '未知错误'), 'error');
@@ -5939,6 +5968,7 @@ function getConsoleContainer() {
                 updateTaskProgressStatus(null, 'error', '生成报告失败: ' + error.message);
                 // 重置标志允许重新尝试
                 autoGenerateTriggered = false;
+                stopGraphPanelPolling();
                 reportTaskId = null;
                 setGenerateButtonState(false);
                 appendReportStreamLine('任务启动阶段异常: ' + error.message, 'error');
@@ -5985,6 +6015,7 @@ function getConsoleContainer() {
                         showMessage('报告生成完成！', 'success');
                         graphPanelTaskId = data.task.task_id;
                         refreshGraphPanel(data.task.task_id, true);
+                        stopGraphPanelPolling();
                         
                         // 自动显示报告
                         viewReport(taskId);
@@ -5997,6 +6028,7 @@ function getConsoleContainer() {
                     } else if (data.task.status === 'error') {
                         stopProgressPolling();
                         showMessage('报告生成失败: ' + data.task.error_message, 'error');
+                        stopGraphPanelPolling();
                         
                         // 重置自动生成标志，允许重新尝试
                         autoGenerateTriggered = false;
@@ -6356,6 +6388,7 @@ function getConsoleContainer() {
                 case 'completed':
                     appendReportStreamLine(payload.message || '任务完成', 'success');
                     stopProgressPolling();
+                    stopGraphPanelPolling();
 
                     // 【修复】任务完成前强制刷新最后一次日志，确保所有日志都被读取
                     if (reportLogManager && reportLogManager.isRunning) {
@@ -6383,6 +6416,7 @@ function getConsoleContainer() {
                 case 'cancelled':
                     appendReportStreamLine(payload.message || '任务已取消', 'warn');
                     stopProgressPolling();
+                    stopGraphPanelPolling();
                     safeCloseReportStream();
                     updateReportStreamStatus('idle');
                     reportTaskId = null;
@@ -6391,6 +6425,7 @@ function getConsoleContainer() {
                 case 'error':
                     appendReportStreamLine(payload.message || '任务失败', 'error', { badge: 'ERROR' });
                     stopProgressPolling();
+                    stopGraphPanelPolling();
                     safeCloseReportStream();
                     updateReportStreamStatus('error');
                     reportTaskId = null;