improvement: notify counter badge added to treatment and tasks tabs for upadted and edited cases.

frontend/src/components/ui/treatment/TreatmentWorkspace.tsx

@@ -35,6 +35,9 @@ import type { LabDispatchAttentionItem } from '@/components/treatment/labDispatc
 import { collectLabDispatchAttention } from '@/components/treatment/labDispatchAttention';
 import { canEditTreatment, canViewTreatment, canAccessDashboardRoute } from '@/components/shared/permissions';
 import { scrollWithinMainScrollContainer } from '@/components/shared/scrollWithinMain';
+import { useMarkTabReadOnVisit } from '@/lib/hooks/useTabBadgeCounts';
+import { notificationsApi } from '@/lib/api/notifications';
+import { notifyTabBadgesChanged } from '@/lib/tabBadgeUtils';
 import { getUserFacingError } from '@/components/shared/formatApiError';
 import { useToast } from '@/lib/hooks/useToast';
 import type { Organization } from '@/types/organization';
@@ -275,6 +278,7 @@ export function TreatmentWorkspace({
   const { showError, showSuccess, messages: toastMessages } = useToast();
   const canView = canViewTreatment(currentOrganization);
   const canEdit = canEditTreatment(currentOrganization);
+  useMarkTabReadOnVisit();
 
   const [stripHidden, setStripHidden] = useState(false);
   const todayStart = useMemo(() => startOfLocalDay(new Date()), []);
@@ -346,6 +350,18 @@ export function TreatmentWorkspace({
     [labCaseDrafts],
   );
 
+  const activeSentLabCaseId = useMemo(() => {
+    const match = labCaseDrafts.find(
+      (lc) => lc.detailClientId === activeDetailId && lc.sentAt && lc.id,
+    );
+    return match?.id ?? null;
+  }, [labCaseDrafts, activeDetailId]);
+
+  useEffect(() => {
+    if (!activeSentLabCaseId) return;
+    void notificationsApi.markCaseRead(activeSentLabCaseId).then(() => notifyTabBadgesChanged());
+  }, [activeSentLabCaseId]);
+
   const isDirty = useMemo(
     () => isDetailsDirty(details, savedSnapshot),
     [details, savedSnapshot],
@@ -1205,6 +1221,7 @@ export function TreatmentWorkspace({
           return [orgId, ...prev.filter((id) => id !== orgId)].slice(0, 10);
         });
         showSuccess(t('successCaseSent'));
+        notifyTabBadgesChanged();
       } catch (error: unknown) {
         showError(getUserFacingError(error, tErrors, t('errorSendCase')));
       } finally {