fix: allow null comment in server validation, remove debug logging

client/src/pages/admin-test-checklist/ui/AdminTestChecklistPage.tsx

@@ -85,9 +85,6 @@ export function AdminTestChecklistPage() {
     onSuccess: () => {
       queryClient.invalidateQueries({ queryKey: ['admin', 'test-checklist'] })
     },
-    onError: (error) => {
-      console.warn('updateTestChecklistItem error:', error)
-    },
   })
 
   const resetMutation = useMutation({
@@ -115,9 +112,7 @@ export function AdminTestChecklistPage() {
 
   const handleStatusClick = useCallback(
     (itemKey: string) => {
-      console.warn('handleStatusClick:', itemKey, results[itemKey])
       const current = statusFromResult(results[itemKey])
-      console.warn('current status:', current)
       if (current === 'failed') {
         updateMutation.mutate({ itemKey, passed: false, comment: null })
       } else if (current === 'unchecked') {