feat(DailyPage, DailyService, Calendar): enhance task deadline management and UI integration

- Implemented user authentication in the daily dates API route to ensure secure access.
- Added functionality to retrieve task deadlines and associated tasks, improving task management capabilities.
- Updated DailyPageClient to display tasks with deadlines in the calendar view, enhancing user experience.
- Enhanced Calendar component to visually indicate deadline dates, providing clearer task management context.

src/app/api/daily/dates/route.ts

@@ -1,5 +1,7 @@
 import { NextResponse } from 'next/server';
 import { dailyService } from '@/services/task-management/daily';
+import { getServerSession } from 'next-auth/next';
+import { authOptions } from '@/lib/auth';
 
 /**
  * API route pour récupérer toutes les dates avec des dailies
@@ -7,7 +9,12 @@ import { dailyService } from '@/services/task-management/daily';
  */
 export async function GET() {
   try {
-    const dates = await dailyService.getDailyDates();
+    const session = await getServerSession(authOptions);
+    if (!session?.user?.id) {
+      return NextResponse.json({ error: 'Non authentifié' }, { status: 401 });
+    }
+
+    const dates = await dailyService.getDailyDates(session.user.id);
     return NextResponse.json({ dates });
   } catch (error) {
     console.error('Erreur lors de la récupération des dates:', error);