fix: align Notification interface between api.ts and types.ts

- Add 'read' field to Notification interface in api.ts
- Remove duplicate Notification interface in candidate-dashboard.tsx
- Import Notification type from api.ts to ensure consistency

frontend/src/components/dashboard-contents/candidate-dashboard.tsx

@@ -14,7 +14,7 @@ import {
     TableRow,
 } from "@/components/ui/table"
 import { mockNotifications } from "@/lib/mock-data"
-import { jobsApi, applicationsApi, transformApiJobToFrontend, notificationsApi } from "@/lib/api"
+import { jobsApi, applicationsApi, transformApiJobToFrontend, notificationsApi, Notification } from "@/lib/api"
 import { Job, ApplicationWithDetails } from "@/lib/types"
 import {
     Bell,
@@ -30,15 +30,6 @@ import { getCurrentUser } from "@/lib/auth"
 import { useTranslation } from "@/lib/i18n"
 import { useState, useEffect } from "react"
 
-interface Notification {
-    id: string;
-    title: string;
-    message: string;
-    type: string;
-    read: boolean;
-    createdAt: string;
-}
-
 export function CandidateDashboardContent() {
     const { t } = useTranslation()
     const user = getCurrentUser()

frontend/src/lib/api.ts

@@ -613,7 +613,7 @@ export interface Notification {
     title: string;
     message: string;
     link?: string;
-    readAt?: string;
+    read: boolean;
     createdAt: string;
 }