Added few functions

components/CalendrierTrajets.tsx

@@ -5,6 +5,7 @@ import { DndContext, DragEndEvent, DragOverlay, DragStartEvent, useDraggable, us
 import { CSS } from '@dnd-kit/utilities';
 import TrajetDetailModal from './TrajetDetailModal';
 import { useNotification } from './NotificationProvider';
+import { getParticipationRef } from '@/lib/participation-ref';
 
 interface Trajet {
   id: string;
@@ -13,6 +14,7 @@ interface Trajet {
   adresseArrivee: string;
   commentaire?: string | null;
   statut: string;
+  participations?: { id: string }[];
   adherent: {
     id: string;
     nom: string;
@@ -518,6 +520,11 @@ export default function CalendrierTrajets({ refreshTrigger }: CalendrierTrajetsP
                             <span className="text-xs sm:text-sm font-semibold text-gray-900">
                               {trajet.adherent.prenom} {trajet.adherent.nom}
                             </span>
+                            {trajet.participations?.[0] && (
+                              <span className="px-1.5 sm:px-2 py-0.5 text-[10px] sm:text-xs font-mono font-medium rounded bg-lblue/10 text-lblue" title="Référence de prescription">
+                                {getParticipationRef(trajet.participations[0].id)}
+                              </span>
+                            )}
                             <span className="px-1.5 sm:px-2 py-0.5 text-[10px] sm:text-xs font-medium rounded bg-lblue/10 text-lblue">
                               {formatTime(trajet.date)}
                             </span>