diff --git a/apps/frontend/src/main/insights/paths.ts b/apps/frontend/src/main/insights/paths.ts
index b587a2ce..4433990a 100644
--- a/apps/frontend/src/main/insights/paths.ts
+++ b/apps/frontend/src/main/insights/paths.ts
@@ -29,7 +29,7 @@ export class InsightsPaths {
    */
   private validateSessionId(sessionId: string): void {
     if (!/^session-\d{1,20}$/.test(sessionId)) {
-      throw new Error(`Invalid session ID format: ${sessionId}`);
+      throw new Error('Invalid session ID format');
     }
   }
 
diff --git a/apps/frontend/src/renderer/components/ChatHistorySidebar.tsx b/apps/frontend/src/renderer/components/ChatHistorySidebar.tsx
index 9ee20bcd..62b13ec6 100644
--- a/apps/frontend/src/renderer/components/ChatHistorySidebar.tsx
+++ b/apps/frontend/src/renderer/components/ChatHistorySidebar.tsx
@@ -149,9 +149,10 @@ export function ChatHistorySidebar({
       try {
         await onDeleteSessions(Array.from(selectedIds));
         setSelectedIds(new Set());
-        setBulkDeleteOpen(false);
       } catch (error) {
         console.error('Failed to delete sessions:', error);
+      } finally {
+        setBulkDeleteOpen(false);
       }
     }
   };
@@ -167,9 +168,10 @@ export function ChatHistorySidebar({
       try {
         await onArchiveSessions(Array.from(selectedIds));
         setSelectedIds(new Set());
-        setBulkArchiveOpen(false);
       } catch (error) {
         console.error('Failed to archive sessions:', error);
+      } finally {
+        setBulkArchiveOpen(false);
       }
     }
   };
@@ -367,7 +369,7 @@ export function ChatHistorySidebar({
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>
-            <AlertDialogCancel>{t('actions.cancel')}</AlertDialogCancel>
+            <AlertDialogCancel>{t('buttons.cancel')}</AlertDialogCancel>
             <AlertDialogAction onClick={handleDelete}>{t('actions.delete')}</AlertDialogAction>
           </AlertDialogFooter>
         </AlertDialogContent>
@@ -397,7 +399,7 @@ export function ChatHistorySidebar({
             </div>
           )}
           <AlertDialogFooter>
-            <AlertDialogCancel>{t('actions.cancel')}</AlertDialogCancel>
+            <AlertDialogCancel>{t('buttons.cancel')}</AlertDialogCancel>
             <AlertDialogAction onClick={handleBulkDelete}>
               {t('insights.bulkDeleteConfirm', { count: selectedIds.size })}
             </AlertDialogAction>
@@ -415,7 +417,7 @@ export function ChatHistorySidebar({
             </AlertDialogDescription>
           </AlertDialogHeader>
           <AlertDialogFooter>
-            <AlertDialogCancel>{t('actions.cancel')}</AlertDialogCancel>
+            <AlertDialogCancel>{t('buttons.cancel')}</AlertDialogCancel>
             <AlertDialogAction onClick={handleBulkArchiveConfirmed}>
               {t('insights.archiveConfirmButton', { count: selectedIds.size })}
             </AlertDialogAction>
@@ -530,6 +532,8 @@ function SessionItem({
             <Checkbox
               checked={isSelected}
               className="h-4 w-4"
+              aria-hidden
+              tabIndex={-1}
             />
           </div>
         ) : (