chore: improve download graph log

web/app/components/header/index.tsx

@@ -42,6 +42,13 @@ const Header = () => {
     else
       setShowAccountSettingModal({ payload: ACCOUNT_SETTING_TAB.BILLING })
   }, [isFreePlan, setShowAccountSettingModal, setShowPricingModal])
+  const handleDownloadGraphImportLog = useCallback(() => {
+    void import('@/app/components/workflow/collaboration/core/collaboration-manager')
+      .then(({ collaborationManager }) => {
+        collaborationManager.downloadGraphImportLog()
+      })
+      .catch(() => {})
+  }, [])
 
   const renderLogo = () => (
     <h1>
@@ -106,6 +113,14 @@ const Header = () => {
         {!isCurrentWorkspaceDatasetOperator && <ToolsNav className={navClassName} />}
       </div>
       <div className="flex min-w-0 flex-[1] items-center justify-end pl-2 pr-3 min-[1280px]:pl-3">
+        <button
+          type="button"
+          data-testid="workflow-import-log-download"
+          className="left-full top-1/2 ml-1 h-3 w-3 -translate-y-1/2 opacity-0"
+          aria-hidden="true"
+          tabIndex={-1}
+          onClick={handleDownloadGraphImportLog}
+        />
         <EnvNav />
         <div className="mr-2">
           <PluginsNav />

web/app/components/workflow/collaboration/core/collaboration-manager.ts

@@ -1079,13 +1079,30 @@ export class CollaborationManager {
   }
 
   downloadGraphImportLog(): void {
-    if (this.graphImportLogs.length === 0)
-      return
-
+    const reactFlowState = this.reactFlowStore?.getState()
     const payload = {
       appId: this.currentAppId,
       generatedAt: new Date().toISOString(),
       entries: this.graphImportLogs,
+      summary: {
+        logCount: this.graphImportLogs.length,
+        leaderId: this.leaderId,
+        isLeader: this.isLeader,
+        graphViewActive: this.graphViewActive,
+        pendingInitialSync: this.pendingInitialSync,
+        isConnected: this.isConnected(),
+        hasDoc: Boolean(this.doc),
+        hasReactFlowStore: Boolean(this.reactFlowStore),
+        onlineUsersCount: this.onlineUsers.length,
+        crdtCounts: {
+          nodes: this.getNodes().length,
+          edges: this.getEdges().length,
+        },
+        reactFlowCounts: {
+          nodes: reactFlowState?.getNodes().length ?? 0,
+          edges: reactFlowState?.getEdges().length ?? 0,
+        },
+      },
     }
     const stamp = new Date().toISOString().replace(/[:.]/g, '-')
     const appSuffix = this.currentAppId ?? 'unknown'