improvement: task assignment notif added to notifications feature.

frontend/src/components/ui/lab/CasesPage.tsx

@@ -297,6 +297,7 @@ export function CasesPage() {
     try {
       const response = await casesApi.assignTask(selectedCaseId, taskId, assigneeUserId);
       setSelectedCase(response.data);
+      notifyTabBadgesChanged();
     } catch (error: unknown) {
       toast.showError(getUserFacingError(error, tErrors, t('errorAssignTask')));
     } finally {

frontend/src/lib/labCaseActivityLabels.ts

@@ -35,6 +35,12 @@ export function formatLabCaseActivityLine(
         actor,
         date,
       });
+    case 'TASK_ASSIGNED':
+      return t('activityTaskAssigned', {
+        step: activity.stepLabel ?? t('activityUnknownStep'),
+        actor,
+        date,
+      });
     case 'CASE_IMPORTANT':
       return t('activityCaseImportant', { actor, date });
     case 'CASE_AMENDED':

frontend/src/lib/realtime/RealtimeProvider.tsx

@@ -78,11 +78,16 @@ export function RealtimeProvider({ children }: { children: ReactNode }) {
     const socket = io(`${apiOrigin()}/realtime`, {
       withCredentials: true,
       transports: ['websocket', 'polling'],
+      // Avoid hammering the gateway with an expired cookie; we reconnect after refresh.
+      reconnection: true,
+      reconnectionAttempts: 5,
+      reconnectionDelay: 2000,
     });
     socketRef.current = socket;
 
     socket.on('connect', () => setConnected(true));
     socket.on('disconnect', () => setConnected(false));
+    socket.on('connect_error', () => setConnected(false));
     socket.on('notification.created', (payload: { notification?: UserNotificationItem }) => {
       if (payload?.notification) {
         setLastNotification(payload.notification);

frontend/src/types/lab-case-activity.ts

@@ -4,7 +4,8 @@ export type LabCaseActivityType =
   | 'LAB_COMMENT'
   | 'CASE_IMPORTANT'
   | 'CASE_AMENDED'
-  | 'TASK_COMPLETED';
+  | 'TASK_COMPLETED'
+  | 'TASK_ASSIGNED';
 
 export interface LabCaseActivityItem {
   id: string;