Improve session history loading resiliency (#3588)

ui/desktop/src/components/sessions/SessionsInsights.tsx

@@ -47,6 +47,8 @@ export function SessionInsights() {
 
         const data = await response.json();
         setInsights(data);
+        // Clear any previous error when insights load successfully
+        setError(null);
       } catch (error) {
         console.error('Failed to load insights:', error);
         setError(error instanceof Error ? error.message : 'Failed to load insights');
@@ -97,6 +99,8 @@ export function SessionInsights() {
             totalTokens: 0,
           };
         }
+        // If we already have insights, just make sure loading is false
+        setIsLoading(false);
         return currentInsights;
       });
     }, 10000); // 10 second timeout
@@ -111,7 +115,7 @@ export function SessionInsights() {
         window.clearTimeout(loadingTimeout);
       }
     };
-  }, []); // Empty dependency array to run only once
+  }, []);
 
   const handleSessionClick = async (sessionId: string) => {
     try {