From 875fff825c0efc9b7184b5cef3bfa89af822a10d Mon Sep 17 00:00:00 2001
From: liangxu <liangxu0920@qq.com>
Date: Fri, 10 Jul 2026 23:09:42 +0800
Subject: [PATCH] feat(canvas): add loading state for agent history retrieval

---
 frontend/src/ui/pages/CanvasWorkspace/index.tsx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/frontend/src/ui/pages/CanvasWorkspace/index.tsx b/frontend/src/ui/pages/CanvasWorkspace/index.tsx
index 33bbe22..b04de59 100644
--- a/frontend/src/ui/pages/CanvasWorkspace/index.tsx
+++ b/frontend/src/ui/pages/CanvasWorkspace/index.tsx
@@ -2682,6 +2682,7 @@ export function CanvasWorkspace({ projectId, shareAccess = ownerWorkspaceAccess
     setAgentHistoryOpen(false);
     const currentProject = projectRef.current;
     if (currentProject) {
+      setAgentHistoryLoading(true);
       setMessages(visibleAgentMessagesForThread(currentProject, imageGeneratorThreadIdsRef.current, threadId));
       void designGateway
         .getProjectHistory(currentProject.id, threadId)
@@ -2698,6 +2699,9 @@ export function CanvasWorkspace({ projectId, shareAccess = ownerWorkspaceAccess
         })
         .catch((err) => {
           console.warn("Failed to load agent thread history", err);
+        })
+        .finally(() => {
+          if (selectedAgentThreadIdRef.current === threadId) setAgentHistoryLoading(false);
         });
     }
   };