diff --git a/.env.production b/.env.production
index 0ccf621..17562e9 100644
--- a/.env.production
+++ b/.env.production
@@ -1,28 +1,28 @@
-# Production environment configuration for BTP Xpress Frontend
-# This file is used during the Docker build process for production deployments
-
-# API Backend - Points to the backend via Ingress at api.lions.dev/btpxpress
-NEXT_PUBLIC_API_URL=https://api.lions.dev/btpxpress
-
-# Keycloak Configuration
-NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
-NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
-NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
-
-# Application
-NEXT_PUBLIC_APP_NAME=BTP Xpress
-NEXT_PUBLIC_APP_VERSION=1.0.0
-NEXT_PUBLIC_APP_DESCRIPTION=Plateforme de gestion BTP
-NEXT_PUBLIC_APP_ENV=production
-
-# Theme
-NEXT_PUBLIC_DEFAULT_THEME=blue
-NEXT_PUBLIC_DEFAULT_THEME_MODE=light
-
-# Security
-NEXT_PUBLIC_SESSION_TIMEOUT=1800
-NEXT_PUBLIC_SECURITY_STRICT_MODE=true
-NEXT_PUBLIC_ENABLE_CLIENT_VALIDATION=true
-
-# Debug - disabled in production
-NEXT_PUBLIC_DEBUG=false
+# Production environment configuration for BTP Xpress Frontend
+# This file is used during the Docker build process for production deployments
+
+# API Backend - Points to the backend via Ingress at api.lions.dev/btpxpress
+NEXT_PUBLIC_API_URL=https://api.lions.dev/btpxpress
+
+# Keycloak Configuration
+NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
+NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
+NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
+
+# Application
+NEXT_PUBLIC_APP_NAME=BTP Xpress
+NEXT_PUBLIC_APP_VERSION=1.0.0
+NEXT_PUBLIC_APP_DESCRIPTION=Plateforme de gestion BTP
+NEXT_PUBLIC_APP_ENV=production
+
+# Theme
+NEXT_PUBLIC_DEFAULT_THEME=blue
+NEXT_PUBLIC_DEFAULT_THEME_MODE=light
+
+# Security
+NEXT_PUBLIC_SESSION_TIMEOUT=1800
+NEXT_PUBLIC_SECURITY_STRICT_MODE=true
+NEXT_PUBLIC_ENABLE_CLIENT_VALIDATION=true
+
+# Debug - disabled in production
+NEXT_PUBLIC_DEBUG=false
diff --git a/Dockerfile b/Dockerfile
index 8a4d24a..ed391c5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,68 +1,68 @@
-####
-# This Dockerfile is used to build a production-ready Next.js application
-####
-
-## Stage 1: Dependencies
-FROM node:20-alpine AS deps
-WORKDIR /app
-
-# Install dependencies based on the preferred package manager
-COPY package.json package-lock.json* ./
-RUN npm ci --only=production
-
-## Stage 2: Build
-FROM node:20-alpine AS builder
-WORKDIR /app
-
-COPY package.json package-lock.json* ./
-RUN npm ci
-
-COPY . .
-
-# Build arguments for NEXT_PUBLIC variables (can be overridden at build time)
-ARG NEXT_PUBLIC_API_URL=https://api.lions.dev/btpxpress
-ARG NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
-ARG NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
-ARG NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
-ARG NEXT_PUBLIC_APP_ENV=production
-
-# Convert ARG to ENV for Next.js build process
-ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
-ENV NEXT_PUBLIC_KEYCLOAK_URL=${NEXT_PUBLIC_KEYCLOAK_URL}
-ENV NEXT_PUBLIC_KEYCLOAK_REALM=${NEXT_PUBLIC_KEYCLOAK_REALM}
-ENV NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=${NEXT_PUBLIC_KEYCLOAK_CLIENT_ID}
-ENV NEXT_PUBLIC_APP_ENV=${NEXT_PUBLIC_APP_ENV}
-
-# Build Next.js application
-ENV NODE_ENV=production
-ENV NEXT_TELEMETRY_DISABLED=1
-RUN npm run build
-
-## Stage 3: Production image
-FROM node:20-alpine AS runner
-WORKDIR /app
-
-ENV NODE_ENV=production
-ENV NEXT_TELEMETRY_DISABLED=1
-
-RUN addgroup --system --gid 1001 nodejs
-RUN adduser --system --uid 1001 nextjs
-
-# Copy necessary files
-COPY --from=builder /app/public ./public
-COPY --from=builder /app/.next/standalone ./
-COPY --from=builder /app/.next/static ./.next/static
-
-USER nextjs
-
-EXPOSE 3000
-
-ENV PORT=3000
-ENV HOSTNAME="0.0.0.0"
-
-# Health check
-HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
-  CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
-
-CMD ["node", "server.js"]
-
+####
+# This Dockerfile is used to build a production-ready Next.js application
+####
+
+## Stage 1: Dependencies
+FROM node:20-alpine AS deps
+WORKDIR /app
+
+# Install dependencies based on the preferred package manager
+COPY package.json package-lock.json* ./
+RUN npm ci --only=production
+
+## Stage 2: Build
+FROM node:20-alpine AS builder
+WORKDIR /app
+
+COPY package.json package-lock.json* ./
+RUN npm ci
+
+COPY . .
+
+# Build arguments for NEXT_PUBLIC variables (can be overridden at build time)
+ARG NEXT_PUBLIC_API_URL=https://api.lions.dev/btpxpress
+ARG NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
+ARG NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
+ARG NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
+ARG NEXT_PUBLIC_APP_ENV=production
+
+# Convert ARG to ENV for Next.js build process
+ENV NEXT_PUBLIC_API_URL=${NEXT_PUBLIC_API_URL}
+ENV NEXT_PUBLIC_KEYCLOAK_URL=${NEXT_PUBLIC_KEYCLOAK_URL}
+ENV NEXT_PUBLIC_KEYCLOAK_REALM=${NEXT_PUBLIC_KEYCLOAK_REALM}
+ENV NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=${NEXT_PUBLIC_KEYCLOAK_CLIENT_ID}
+ENV NEXT_PUBLIC_APP_ENV=${NEXT_PUBLIC_APP_ENV}
+
+# Build Next.js application
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npm run build
+
+## Stage 3: Production image
+FROM node:20-alpine AS runner
+WORKDIR /app
+
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+
+RUN addgroup --system --gid 1001 nodejs
+RUN adduser --system --uid 1001 nextjs
+
+# Copy necessary files
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+
+USER nextjs
+
+EXPOSE 3000
+
+ENV PORT=3000
+ENV HOSTNAME="0.0.0.0"
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=40s --retries=3 \
+  CMD node -e "require('http').get('http://localhost:3000/api/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"
+
+CMD ["node", "server.js"]
+
diff --git a/app/(main)/chantiers/[id]/budget/page.tsx b/app/(main)/chantiers/[id]/budget/page.tsx
index cb47353..f5732f6 100644
--- a/app/(main)/chantiers/[id]/budget/page.tsx
+++ b/app/(main)/chantiers/[id]/budget/page.tsx
@@ -9,7 +9,7 @@ import { Column } from 'primereact/column';
 import { ProgressBar } from 'primereact/progressbar';
 import { Chart } from 'primereact/chart';
 import { Tag } from 'primereact/tag';
-import { apiService } from '@/services/api';
+import { budgetService } from '@/services/api';
 
 interface BudgetChantier {
   id: number;
@@ -46,7 +46,7 @@ export default function ChantierBudgetPage() {
   const loadBudget = async () => {
     try {
       setLoading(true);
-      const data = await apiService.budgets.getByChantier(Number(id));
+      const data = await budgetService.getByChantier(id);
       setBudget(data);
     } catch (error) {
       console.error('Erreur lors du chargement du budget:', error);
diff --git a/app/(main)/chantiers/[id]/page.tsx b/app/(main)/chantiers/[id]/page.tsx
index ab803db..4964025 100644
--- a/app/(main)/chantiers/[id]/page.tsx
+++ b/app/(main)/chantiers/[id]/page.tsx
@@ -9,33 +9,8 @@ import { Tag } from 'primereact/tag';
 import { ProgressBar } from 'primereact/progressbar';
 import { Divider } from 'primereact/divider';
 import { Skeleton } from 'primereact/skeleton';
-import { apiService } from '@/services/api';
-
-interface Chantier {
-  id: number;
-  nom: string;
-  description: string;
-  adresse: string;
-  ville: string;
-  codePostal: string;
-  dateDebut: string;
-  dateFin: string;
-  dateLivraison: string;
-  statut: string;
-  budget: number;
-  client: {
-    id: number;
-    nom: string;
-    email: string;
-    telephone: string;
-  };
-  responsable: {
-    id: number;
-    nom: string;
-    prenom: string;
-  };
-  progression: number;
-}
+import { chantierService } from '@/services/api';
+import type { Chantier } from '@/types/btp';
 
 export default function ChantierDetailsPage() {
   const params = useParams();
@@ -55,7 +30,7 @@ export default function ChantierDetailsPage() {
   const loadChantier = async () => {
     try {
       setLoading(true);
-      const data = await apiService.chantiers.getById(Number(id));
+      const data = await chantierService.getById(id);
       setChantier(data);
     } catch (error) {
       console.error('Erreur lors du chargement du chantier:', error);
@@ -191,8 +166,8 @@ export default function ChantierDetailsPage() {
               </div>
 
               <div className="flex align-items-center mb-2">
-                <i className="pi pi-users mr-2 text-600"></i>
-                <span><strong>Responsable:</strong> {chantier.responsable?.prenom} {chantier.responsable?.nom}</span>
+                <i className="pi pi-building mr-2 text-600"></i>
+                <span><strong>Type:</strong> {chantier.typeChantier || 'N/A'}</span>
               </div>
             </div>
 
@@ -200,7 +175,7 @@ export default function ChantierDetailsPage() {
               <div className="surface-100 border-round p-3">
                 <div className="mb-3">
                   <span className="text-600 text-sm">Progression</span>
-                  <ProgressBar value={chantier.progression || 0} className="mt-2" />
+                  <ProgressBar value={0} className="mt-2" />
                 </div>
 
                 <div className="mb-3">
@@ -210,12 +185,12 @@ export default function ChantierDetailsPage() {
 
                 <div className="mb-3">
                   <span className="text-600 text-sm">Fin prévue</span>
-                  <div className="font-bold">{formatDate(chantier.dateFin)}</div>
+                  <div className="font-bold">{formatDate(chantier.dateFinPrevue || '')}</div>
                 </div>
 
                 <div>
                   <span className="text-600 text-sm">Budget</span>
-                  <div className="font-bold text-xl text-primary">{formatMontant(chantier.budget)}</div>
+                  <div className="font-bold text-xl text-primary">{formatMontant(chantier.montantPrevu || 0)}</div>
                 </div>
               </div>
             </div>
@@ -234,7 +209,7 @@ export default function ChantierDetailsPage() {
                     <i className="pi pi-calendar text-4xl text-blue-500 mb-2"></i>
                     <div className="text-600 text-sm mb-1">Durée</div>
                     <div className="text-2xl font-bold">
-                      {Math.ceil((new Date(chantier.dateFin).getTime() - new Date(chantier.dateDebut).getTime()) / (1000 * 60 * 60 * 24))} jours
+                      {chantier.dateFinPrevue ? Math.ceil((new Date(chantier.dateFinPrevue).getTime() - new Date(chantier.dateDebut).getTime()) / (1000 * 60 * 60 * 24)) : 0} jours
                     </div>
                   </Card>
                 </div>
@@ -243,7 +218,7 @@ export default function ChantierDetailsPage() {
                   <Card className="text-center">
                     <i className="pi pi-check-circle text-4xl text-green-500 mb-2"></i>
                     <div className="text-600 text-sm mb-1">Avancement</div>
-                    <div className="text-2xl font-bold">{chantier.progression || 0}%</div>
+                    <div className="text-2xl font-bold">N/A</div>
                   </Card>
                 </div>
 
@@ -251,7 +226,7 @@ export default function ChantierDetailsPage() {
                   <Card className="text-center">
                     <i className="pi pi-euro text-4xl text-orange-500 mb-2"></i>
                     <div className="text-600 text-sm mb-1">Budget</div>
-                    <div className="text-2xl font-bold">{formatMontant(chantier.budget)}</div>
+                    <div className="text-2xl font-bold">{formatMontant(chantier.montantPrevu || 0)}</div>
                   </Card>
                 </div>
 
diff --git a/app/(main)/chantiers/[id]/planning/page.tsx b/app/(main)/chantiers/[id]/planning/page.tsx
index 7273d7f..c4c89bf 100644
--- a/app/(main)/chantiers/[id]/planning/page.tsx
+++ b/app/(main)/chantiers/[id]/planning/page.tsx
@@ -11,31 +11,15 @@ import { DataTable } from 'primereact/datatable';
 import { Column } from 'primereact/column';
 import { Chart } from 'primereact/chart';
 import { TabView, TabPanel } from 'primereact/tabview';
-import { apiService } from '@/services/api';
-
-interface TacheChantier {
-  id: number;
-  nom: string;
-  description: string;
-  dateDebut: string;
-  dateFin: string;
-  statut: string;
-  responsable: {
-    nom: string;
-    prenom: string;
-  };
-  equipe: {
-    nom: string;
-  };
-  progression: number;
-}
+import { planningService } from '@/services/api';
+import type { PlanningEvent } from '@/types/btp';
 
 export default function ChantierPlanningPage() {
   const params = useParams();
   const router = useRouter();
   const id = params.id as string;
 
-  const [taches, setTaches] = useState<TacheChantier[]>([]);
+  const [taches, setTaches] = useState<PlanningEvent[]>([]);
   const [loading, setLoading] = useState(true);
   const [selectedDate, setSelectedDate] = useState<Date | null>(new Date());
   const [viewMode, setViewMode] = useState<'timeline' | 'gantt'>('timeline');
@@ -49,7 +33,8 @@ export default function ChantierPlanningPage() {
   const loadPlanning = async () => {
     try {
       setLoading(true);
-      const data = await apiService.planning.getByChantier(Number(id));
+      // Récupérer les événements de planning pour ce chantier
+      const data = await planningService.getEvents({ chantierId: id });
       setTaches(data || []);
     } catch (error) {
       console.error('Erreur lors du chargement du planning:', error);
@@ -90,7 +75,7 @@ export default function ChantierPlanningPage() {
     return labels[statut] || statut;
   };
 
-  const statutBodyTemplate = (rowData: TacheChantier) => {
+  const statutBodyTemplate = (rowData: PlanningEvent) => {
     return (
       <Tag
         value={getStatutLabel(rowData.statut)}
@@ -99,7 +84,7 @@ export default function ChantierPlanningPage() {
     );
   };
 
-  const dateBodyTemplate = (rowData: TacheChantier) => {
+  const dateBodyTemplate = (rowData: PlanningEvent) => {
     return (
       <div>
         <div><strong>Début:</strong> {formatDate(rowData.dateDebut)}</div>
@@ -108,31 +93,16 @@ export default function ChantierPlanningPage() {
     );
   };
 
-  const responsableBodyTemplate = (rowData: TacheChantier) => {
-    return `${rowData.responsable?.prenom} ${rowData.responsable?.nom}`;
-  };
-
-  const equipeBodyTemplate = (rowData: TacheChantier) => {
+  const equipeBodyTemplate = (rowData: PlanningEvent) => {
     return rowData.equipe?.nom || 'Non assignée';
   };
 
-  const progressionBodyTemplate = (rowData: TacheChantier) => {
-    return (
-      <div className="flex align-items-center">
-        <div className="flex-1 mr-2">
-          <div className="surface-300 border-round" style={{ height: '8px' }}>
-            <div
-              className="bg-primary border-round"
-              style={{ height: '8px', width: `${rowData.progression}%` }}
-            ></div>
-          </div>
-        </div>
-        <span>{rowData.progression}%</span>
-      </div>
-    );
+  const prioriteBodyTemplate = (rowData: PlanningEvent) => {
+    const severity = rowData.priorite === 'CRITIQUE' ? 'danger' : rowData.priorite === 'HAUTE' ? 'warning' : rowData.priorite === 'NORMALE' ? 'info' : 'success';
+    return <Tag value={rowData.priorite} severity={severity} />;
   };
 
-  const actionsBodyTemplate = (rowData: TacheChantier) => {
+  const actionsBodyTemplate = (rowData: PlanningEvent) => {
     return (
       <div className="flex gap-2">
         <Button
@@ -154,7 +124,7 @@ export default function ChantierPlanningPage() {
     );
   };
 
-  const customizedMarker = (item: TacheChantier) => {
+  const customizedMarker = (item: PlanningEvent) => {
     return (
       <span
         className="flex w-2rem h-2rem align-items-center justify-content-center text-white border-circle z-1 shadow-1"
@@ -165,17 +135,17 @@ export default function ChantierPlanningPage() {
     );
   };
 
-  const customizedContent = (item: TacheChantier) => {
+  const customizedContent = (item: PlanningEvent) => {
     return (
       <Card>
         <div className="flex justify-content-between align-items-center mb-2">
-          <span className="font-bold">{item.nom}</span>
+          <span className="font-bold">{item.titre}</span>
           <Tag value={getStatutLabel(item.statut)} severity={getStatutSeverity(item.statut)} />
         </div>
         <p className="text-600 mb-2">{item.description}</p>
         <div className="text-sm">
-          <div><strong>Responsable:</strong> {item.responsable?.prenom} {item.responsable?.nom}</div>
           <div><strong>Équipe:</strong> {item.equipe?.nom || 'Non assignée'}</div>
+          <div><strong>Priorité:</strong> {item.priorite}</div>
           <div><strong>Dates:</strong> {formatDate(item.dateDebut)} - {formatDate(item.dateFin)}</div>
         </div>
       </Card>
@@ -193,7 +163,7 @@ export default function ChantierPlanningPage() {
       const duree = Math.ceil((fin - debut) / (1000 * 60 * 60 * 24));
 
       return {
-        label: tache.nom,
+        label: tache.titre,
         duree: duree,
         statut: tache.statut
       };
@@ -346,12 +316,11 @@ export default function ChantierPlanningPage() {
             sortField="dateDebut"
             sortOrder={1}
           >
-            <Column field="nom" header="Tâche" sortable filter />
+            <Column field="titre" header="Tâche" sortable filter />
             <Column field="statut" header="Statut" body={statutBodyTemplate} sortable filter />
             <Column header="Dates" body={dateBodyTemplate} sortable />
-            <Column header="Responsable" body={responsableBodyTemplate} sortable filter />
+            <Column header="Priorité" body={prioriteBodyTemplate} sortable filter />
             <Column header="Équipe" body={equipeBodyTemplate} sortable filter />
-            <Column header="Progression" body={progressionBodyTemplate} sortable />
             <Column header="Actions" body={actionsBodyTemplate} />
           </DataTable>
         </Card>
diff --git a/app/(main)/chantiers/retard/page.tsx b/app/(main)/chantiers/retard/page.tsx
index 069ccdd..e3ca1c8 100644
--- a/app/(main)/chantiers/retard/page.tsx
+++ b/app/(main)/chantiers/retard/page.tsx
@@ -1,479 +1,479 @@
-'use client';
-
-export const dynamic = 'force-dynamic';
-
-import React, { useState, useEffect, useRef } from 'react';
-import { DataTable } from 'primereact/datatable';
-import { Column } from 'primereact/column';
-import { Button } from 'primereact/button';
-import { InputText } from 'primereact/inputtext';
-import { Card } from 'primereact/card';
-import { Toast } from 'primereact/toast';
-import { Toolbar } from 'primereact/toolbar';
-import { Tag } from 'primereact/tag';
-import { Dialog } from 'primereact/dialog';
-import { Calendar } from 'primereact/calendar';
-import { InputTextarea } from 'primereact/inputtextarea';
-import { ProgressBar } from 'primereact/progressbar';
-import { Chip } from 'primereact/chip';
-import { chantierService } from '../../../../services/api';
-import { formatDate, formatCurrency } from '../../../../utils/formatters';
-import type { Chantier } from '../../../../types/btp';
-import { 
-    ActionButtonGroup, 
-    ViewButton,
-    ActionButton
-} from '../../../../components/ui/ActionButton';
-
-const ChantiersRetardPage = () => {
-    const [chantiers, setChantiers] = useState<Chantier[]>([]);
-    const [loading, setLoading] = useState(true);
-    const [globalFilter, setGlobalFilter] = useState('');
-    const [selectedChantiers, setSelectedChantiers] = useState<Chantier[]>([]);
-    const [actionDialog, setActionDialog] = useState(false);
-    const [selectedChantier, setSelectedChantier] = useState<Chantier | null>(null);
-    const [actionType, setActionType] = useState<'extend' | 'status'>('extend');
-    const [newEndDate, setNewEndDate] = useState<Date | null>(null);
-    const [actionNotes, setActionNotes] = useState('');
-    const toast = useRef<Toast>(null);
-    const dt = useRef<DataTable<Chantier[]>>(null);
-
-    useEffect(() => {
-        loadChantiers();
-    }, []);
-
-    const loadChantiers = async () => {
-        try {
-            setLoading(true);
-            const data = await chantierService.getAll();
-            // Filtrer les chantiers en retard (planifiés avec date dépassée OU en cours avec date fin prévue dépassée)
-            const chantiersEnRetard = data.filter(chantier => {
-                const today = new Date();
-                
-                // Chantiers planifiés dont la date de début est dépassée
-                if (chantier.statut === 'PLANIFIE') {
-                    const startDate = new Date(chantier.dateDebut);
-                    return startDate < today;
-                }
-                
-                // Chantiers en cours dont la date de fin prévue est dépassée
-                if (chantier.statut === 'EN_COURS') {
-                    const endDate = new Date(chantier.dateFinPrevue);
-                    return endDate < today;
-                }
-                
-                return false;
-            });
-            
-            setChantiers(chantiersEnRetard);
-        } catch (error) {
-            console.error('Erreur lors du chargement des chantiers:', error);
-            toast.current?.show({
-                severity: 'error',
-                summary: 'Erreur',
-                detail: 'Impossible de charger les chantiers en retard',
-                life: 3000
-            });
-        } finally {
-            setLoading(false);
-        }
-    };
-
-    const getDelayDays = (chantier: Chantier) => {
-        const today = new Date();
-        let referenceDate: Date;
-        
-        if (chantier.statut === 'PLANIFIE') {
-            referenceDate = new Date(chantier.dateDebut);
-        } else {
-            referenceDate = new Date(chantier.dateFinPrevue);
-        }
-        
-        const diffTime = today.getTime() - referenceDate.getTime();
-        const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
-        return diffDays;
-    };
-
-    const getDelaySeverity = (days: number) => {
-        if (days <= 7) return 'warning';
-        if (days <= 30) return 'danger';
-        return 'danger';
-    };
-
-    const getPriorityLevel = (days: number) => {
-        if (days <= 3) return { level: 'FAIBLE', color: 'orange' };
-        if (days <= 15) return { level: 'MOYEN', color: 'red' };
-        return { level: 'URGENT', color: 'red' };
-    };
-
-    const calculateProgress = (chantier: Chantier) => {
-        if (chantier.statut !== 'EN_COURS' || !chantier.dateDebut || !chantier.dateFinPrevue) return 0;
-        
-        const now = new Date();
-        const start = new Date(chantier.dateDebut);
-        const end = new Date(chantier.dateFinPrevue);
-        const totalDays = (end.getTime() - start.getTime()) / (1000 * 60 * 60 * 24);
-        const elapsedDays = (now.getTime() - start.getTime()) / (1000 * 60 * 60 * 24);
-        
-        return Math.min(Math.max((elapsedDays / totalDays) * 100, 0), 120); // Peut dépasser 100% si en retard
-    };
-
-    const extendDeadline = (chantier: Chantier) => {
-        setSelectedChantier(chantier);
-        setActionType('extend');
-        setNewEndDate(new Date(chantier.dateFinPrevue));
-        setActionNotes('');
-        setActionDialog(true);
-    };
-
-    const changeStatus = (chantier: Chantier) => {
-        setSelectedChantier(chantier);
-        setActionType('status');
-        setActionNotes('');
-        setActionDialog(true);
-    };
-
-    const handleAction = async () => {
-        if (!selectedChantier) return;
-
-        try {
-            let updatedChantier = { ...selectedChantier };
-            
-            if (actionType === 'extend' && newEndDate) {
-                updatedChantier.dateFinPrevue = newEndDate.toISOString().split('T')[0];
-            } else if (actionType === 'status') {
-                updatedChantier.statut = 'SUSPENDU' as any;
-            }
-
-            await chantierService.update(selectedChantier.id, updatedChantier);
-            
-            // Recharger la liste si le statut a changé
-            if (actionType === 'status') {
-                setChantiers(prev => prev.filter(c => c.id !== selectedChantier.id));
-            } else {
-                // Mettre à jour le chantier dans la liste
-                setChantiers(prev => prev.map(c => 
-                    c.id === selectedChantier.id ? updatedChantier : c
-                ));
-            }
-            
-            setActionDialog(false);
-            
-            toast.current?.show({
-                severity: 'success',
-                summary: 'Succès',
-                detail: actionType === 'extend' ? 'Échéance reportée' : 'Chantier suspendu',
-                life: 3000
-            });
-        } catch (error) {
-            console.error('Erreur lors de l\'action:', error);
-            toast.current?.show({
-                severity: 'error',
-                summary: 'Erreur',
-                detail: 'Impossible d\'effectuer l\'action',
-                life: 3000
-            });
-        }
-    };
-
-    const exportCSV = () => {
-        dt.current?.exportCSV();
-    };
-
-    const generateAlertReport = () => {
-        const urgentChantiers = chantiers.filter(c => getPriorityLevel(getDelayDays(c)).level === 'URGENT');
-        const report = `
-=== ALERTE CHANTIERS EN RETARD ===
-Date du rapport: ${new Date().toLocaleDateString('fr-FR')}
-
-CHANTIERS URGENTS (${urgentChantiers.length}):
-${urgentChantiers.map(c => `
-- ${c.nom}
-  Client: ${c.client ? `${c.client.prenom} ${c.client.nom}` : 'N/A'}
-  Retard: ${getDelayDays(c)} jours
-  Statut: ${c.statut}
-  Budget: ${formatCurrency(c.montantPrevu || 0)}
-`).join('')}
-
-STATISTIQUES:
-- Total chantiers en retard: ${chantiers.length}
-- Retard moyen: ${Math.round(chantiers.reduce((sum, c) => sum + getDelayDays(c), 0) / chantiers.length)} jours
-- Impact budgétaire: ${formatCurrency(chantiers.reduce((sum, c) => sum + (c.montantPrevu || 0), 0))}
-        `;
-        
-        const blob = new Blob([report], { type: 'text/plain;charset=utf-8;' });
-        const link = document.createElement('a');
-        link.href = URL.createObjectURL(blob);
-        link.download = `alerte_retards_${new Date().toISOString().split('T')[0]}.txt`;
-        link.click();
-        
-        toast.current?.show({
-            severity: 'success',
-            summary: 'Rapport généré',
-            detail: 'Le rapport d\'alerte a été téléchargé',
-            life: 3000
-        });
-    };
-
-    const leftToolbarTemplate = () => {
-        return (
-            <div className="my-2 flex gap-2">
-                <h5 className="m-0 flex align-items-center text-red-500">
-                    <i className="pi pi-exclamation-triangle mr-2"></i>
-                    Chantiers en retard ({chantiers.length})
-                </h5>
-                <Button 
-                    label="Rapport d'alerte" 
-                    icon="pi pi-file-export" 
-                    severity="danger" 
-                    size="small"
-                    onClick={generateAlertReport}
-                />
-            </div>
-        );
-    };
-
-    const rightToolbarTemplate = () => {
-        return (
-            <Button 
-                label="Exporter" 
-                icon="pi pi-upload" 
-                severity="help" 
-                onClick={exportCSV} 
-            />
-        );
-    };
-
-    const actionBodyTemplate = (rowData: Chantier) => {
-        return (
-            <ActionButtonGroup>
-                <ActionButton 
-                    icon="pi pi-calendar-plus" 
-                    tooltip="Reporter l'échéance"
-                    onClick={() => extendDeadline(rowData)}
-                    color="orange"
-                />
-                <ActionButton 
-                    icon="pi pi-pause" 
-                    tooltip="Suspendre le chantier"
-                    onClick={() => changeStatus(rowData)}
-                    color="red"
-                />
-                <ViewButton 
-                    tooltip="Voir détails"
-                    onClick={() => {
-                        toast.current?.show({
-                            severity: 'info',
-                            summary: 'Info',
-                            detail: `Détails du chantier ${rowData.nom}`,
-                            life: 3000
-                        });
-                    }}
-                />
-            </ActionButtonGroup>
-        );
-    };
-
-    const statusBodyTemplate = (rowData: Chantier) => {
-        const delayDays = getDelayDays(rowData);
-        const priority = getPriorityLevel(delayDays);
-        
-        return (
-            <div className="flex align-items-center gap-2">
-                <Tag 
-                    value={rowData.statut === 'PLANIFIE' ? 'Non démarré' : 'En cours'} 
-                    severity={rowData.statut === 'PLANIFIE' ? 'info' : 'success'} 
-                />
-                <Chip 
-                    label={priority.level} 
-                    style={{ backgroundColor: priority.color, color: 'white' }}
-                    className="text-xs"
-                />
-            </div>
-        );
-    };
-
-    const delayBodyTemplate = (rowData: Chantier) => {
-        const delayDays = getDelayDays(rowData);
-        const severity = getDelaySeverity(delayDays);
-        
-        return (
-            <div className="flex align-items-center gap-2">
-                <Tag 
-                    value={`${delayDays} jour${delayDays > 1 ? 's' : ''}`} 
-                    severity={severity} 
-                    icon="pi pi-clock"
-                />
-                {rowData.statut === 'PLANIFIE' && (
-                    <small className="text-600">de retard au démarrage</small>
-                )}
-                {rowData.statut === 'EN_COURS' && (
-                    <small className="text-600">après l'échéance</small>
-                )}
-            </div>
-        );
-    };
-
-    const progressBodyTemplate = (rowData: Chantier) => {
-        if (rowData.statut === 'PLANIFIE') {
-            return <span className="text-600">Non démarré</span>;
-        }
-        
-        const progress = calculateProgress(rowData);
-        return (
-            <div className="flex align-items-center gap-2">
-                <ProgressBar 
-                    value={Math.min(progress, 100)} 
-                    style={{ height: '6px', width: '100px' }}
-                    color={progress > 100 ? '#ef4444' : undefined}
-                />
-                <span className={`text-sm ${progress > 100 ? 'text-red-500 font-bold' : ''}`}>
-                    {Math.round(progress)}%
-                </span>
-            </div>
-        );
-    };
-
-    const clientBodyTemplate = (rowData: Chantier) => {
-        if (!rowData.client) return '';
-        return `${rowData.client.prenom} ${rowData.client.nom}`;
-    };
-
-    const referenceeDateBodyTemplate = (rowData: Chantier) => {
-        const date = rowData.statut === 'PLANIFIE' ? rowData.dateDebut : rowData.dateFinPrevue;
-        const label = rowData.statut === 'PLANIFIE' ? 'Début prévu' : 'Fin prévue';
-        
-        return (
-            <div>
-                <div className="font-bold text-red-500">{formatDate(date)}</div>
-                <small className="text-600">{label}</small>
-            </div>
-        );
-    };
-
-    const header = (
-        <div className="flex flex-column md:flex-row md:justify-content-between md:align-items-center">
-            <h5 className="m-0">Chantiers nécessitant une attention immédiate</h5>
-            <span className="block mt-2 md:mt-0 p-input-icon-left">
-                <i className="pi pi-search" />
-                <InputText 
-                    type="search" 
-                    placeholder="Rechercher..." 
-                    onInput={(e) => setGlobalFilter(e.currentTarget.value)} 
-                />
-            </span>
-        </div>
-    );
-
-    const actionDialogFooter = (
-        <>
-            <Button 
-                label="Annuler" 
-                icon="pi pi-times" 
-                text 
-                onClick={() => setActionDialog(false)} 
-            />
-            <Button 
-                label={actionType === 'extend' ? 'Reporter' : 'Suspendre'} 
-                icon={actionType === 'extend' ? 'pi pi-calendar-plus' : 'pi pi-pause'} 
-                text 
-                onClick={handleAction} 
-            />
-        </>
-    );
-
-    return (
-        <div className="grid">
-            <div className="col-12">
-                <Card>
-                    <Toast ref={toast} />
-                    <Toolbar className="mb-4" left={leftToolbarTemplate} right={rightToolbarTemplate} />
-
-                    <DataTable
-                        ref={dt}
-                        value={chantiers}
-                        selection={selectedChantiers}
-                        onSelectionChange={(e) => setSelectedChantiers(e.value)}
-                        selectionMode="multiple"
-                        dataKey="id"
-                        paginator
-                        rows={10}
-                        rowsPerPageOptions={[5, 10, 25]}
-                        className="datatable-responsive"
-                        paginatorTemplate="FirstPageLink PrevPageLink PageLinks NextPageLink LastPageLink CurrentPageReport RowsPerPageDropdown"
-                        currentPageReportTemplate="Affichage de {first} à {last} sur {totalRecords} chantiers"
-                        globalFilter={globalFilter}
-                        emptyMessage="Aucun chantier en retard trouvé."
-                        header={header}
-                        responsiveLayout="scroll"
-                        loading={loading}
-                        sortField="dateDebut"
-                        sortOrder={1}
-                    >
-                        <Column selectionMode="multiple" headerStyle={{ width: '4rem' }} />
-                        <Column field="nom" header="Nom" sortable headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="client" header="Client" body={clientBodyTemplate} sortable headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="referenceDate" header="Date de référence" body={referenceeDateBodyTemplate} sortable headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="delay" header="Retard" body={delayBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="statut" header="Statut/Priorité" body={statusBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="progress" header="Progression" body={progressBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
-                        <Column field="montantPrevu" header="Budget" body={(rowData) => formatCurrency(rowData.montantPrevu)} sortable headerStyle={{ minWidth: '10rem' }} />
-                        <Column body={actionBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
-                    </DataTable>
-
-                    <Dialog 
-                        visible={actionDialog} 
-                        style={{ width: '500px' }} 
-                        header={actionType === 'extend' ? 'Reporter l\'échéance' : 'Suspendre le chantier'}
-                        modal 
-                        className="p-fluid" 
-                        footer={actionDialogFooter} 
-                        onHide={() => setActionDialog(false)}
-                    >
-                        <div className="formgrid grid">
-                            <div className="field col-12">
-                                <p>
-                                    Chantier: <strong>{selectedChantier?.nom}</strong>
-                                </p>
-                                <p>
-                                    Retard actuel: <strong>{selectedChantier ? getDelayDays(selectedChantier) : 0} jour(s)</strong>
-                                </p>
-                            </div>
-                            
-                            {actionType === 'extend' && (
-                                <div className="field col-12">
-                                    <label htmlFor="newEndDate">Nouvelle date de fin prévue</label>
-                                    <Calendar 
-                                        id="newEndDate" 
-                                        value={newEndDate} 
-                                        onChange={(e) => setNewEndDate(e.value)} 
-                                        dateFormat="dd/mm/yy" 
-                                        showIcon 
-                                        minDate={new Date()}
-                                    />
-                                </div>
-                            )}
-
-                            <div className="field col-12">
-                                <label htmlFor="actionNotes">
-                                    {actionType === 'extend' ? 'Raison du report' : 'Raison de la suspension'}
-                                </label>
-                                <InputTextarea 
-                                    id="actionNotes" 
-                                    value={actionNotes} 
-                                    onChange={(e) => setActionNotes(e.target.value)} 
-                                    rows={3} 
-                                    placeholder="Expliquez la raison de cette action..."
-                                />
-                            </div>
-                        </div>
-                    </Dialog>
-                </Card>
-            </div>
-        </div>
-    );
-};
-
-export default ChantiersRetardPage;
-
-
+'use client';
+
+export const dynamic = 'force-dynamic';
+
+import React, { useState, useEffect, useRef } from 'react';
+import { DataTable } from 'primereact/datatable';
+import { Column } from 'primereact/column';
+import { Button } from 'primereact/button';
+import { InputText } from 'primereact/inputtext';
+import { Card } from 'primereact/card';
+import { Toast } from 'primereact/toast';
+import { Toolbar } from 'primereact/toolbar';
+import { Tag } from 'primereact/tag';
+import { Dialog } from 'primereact/dialog';
+import { Calendar } from 'primereact/calendar';
+import { InputTextarea } from 'primereact/inputtextarea';
+import { ProgressBar } from 'primereact/progressbar';
+import { Chip } from 'primereact/chip';
+import { chantierService } from '../../../../services/api';
+import { formatDate, formatCurrency } from '../../../../utils/formatters';
+import type { Chantier } from '../../../../types/btp';
+import { 
+    ActionButtonGroup, 
+    ViewButton,
+    ActionButton
+} from '../../../../components/ui/ActionButton';
+
+const ChantiersRetardPage = () => {
+    const [chantiers, setChantiers] = useState<Chantier[]>([]);
+    const [loading, setLoading] = useState(true);
+    const [globalFilter, setGlobalFilter] = useState('');
+    const [selectedChantiers, setSelectedChantiers] = useState<Chantier[]>([]);
+    const [actionDialog, setActionDialog] = useState(false);
+    const [selectedChantier, setSelectedChantier] = useState<Chantier | null>(null);
+    const [actionType, setActionType] = useState<'extend' | 'status'>('extend');
+    const [newEndDate, setNewEndDate] = useState<Date | null>(null);
+    const [actionNotes, setActionNotes] = useState('');
+    const toast = useRef<Toast>(null);
+    const dt = useRef<DataTable<Chantier[]>>(null);
+
+    useEffect(() => {
+        loadChantiers();
+    }, []);
+
+    const loadChantiers = async () => {
+        try {
+            setLoading(true);
+            const data = await chantierService.getAll();
+            // Filtrer les chantiers en retard (planifiés avec date dépassée OU en cours avec date fin prévue dépassée)
+            const chantiersEnRetard = data.filter(chantier => {
+                const today = new Date();
+                
+                // Chantiers planifiés dont la date de début est dépassée
+                if (chantier.statut === 'PLANIFIE') {
+                    const startDate = new Date(chantier.dateDebut);
+                    return startDate < today;
+                }
+                
+                // Chantiers en cours dont la date de fin prévue est dépassée
+                if (chantier.statut === 'EN_COURS') {
+                    const endDate = new Date(chantier.dateFinPrevue);
+                    return endDate < today;
+                }
+                
+                return false;
+            });
+            
+            setChantiers(chantiersEnRetard);
+        } catch (error) {
+            console.error('Erreur lors du chargement des chantiers:', error);
+            toast.current?.show({
+                severity: 'error',
+                summary: 'Erreur',
+                detail: 'Impossible de charger les chantiers en retard',
+                life: 3000
+            });
+        } finally {
+            setLoading(false);
+        }
+    };
+
+    const getDelayDays = (chantier: Chantier) => {
+        const today = new Date();
+        let referenceDate: Date;
+        
+        if (chantier.statut === 'PLANIFIE') {
+            referenceDate = new Date(chantier.dateDebut);
+        } else {
+            referenceDate = new Date(chantier.dateFinPrevue);
+        }
+        
+        const diffTime = today.getTime() - referenceDate.getTime();
+        const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24));
+        return diffDays;
+    };
+
+    const getDelaySeverity = (days: number) => {
+        if (days <= 7) return 'warning';
+        if (days <= 30) return 'danger';
+        return 'danger';
+    };
+
+    const getPriorityLevel = (days: number) => {
+        if (days <= 3) return { level: 'FAIBLE', color: 'orange' };
+        if (days <= 15) return { level: 'MOYEN', color: 'red' };
+        return { level: 'URGENT', color: 'red' };
+    };
+
+    const calculateProgress = (chantier: Chantier) => {
+        if (chantier.statut !== 'EN_COURS' || !chantier.dateDebut || !chantier.dateFinPrevue) return 0;
+        
+        const now = new Date();
+        const start = new Date(chantier.dateDebut);
+        const end = new Date(chantier.dateFinPrevue);
+        const totalDays = (end.getTime() - start.getTime()) / (1000 * 60 * 60 * 24);
+        const elapsedDays = (now.getTime() - start.getTime()) / (1000 * 60 * 60 * 24);
+        
+        return Math.min(Math.max((elapsedDays / totalDays) * 100, 0), 120); // Peut dépasser 100% si en retard
+    };
+
+    const extendDeadline = (chantier: Chantier) => {
+        setSelectedChantier(chantier);
+        setActionType('extend');
+        setNewEndDate(new Date(chantier.dateFinPrevue));
+        setActionNotes('');
+        setActionDialog(true);
+    };
+
+    const changeStatus = (chantier: Chantier) => {
+        setSelectedChantier(chantier);
+        setActionType('status');
+        setActionNotes('');
+        setActionDialog(true);
+    };
+
+    const handleAction = async () => {
+        if (!selectedChantier) return;
+
+        try {
+            let updatedChantier = { ...selectedChantier };
+            
+            if (actionType === 'extend' && newEndDate) {
+                updatedChantier.dateFinPrevue = newEndDate.toISOString().split('T')[0];
+            } else if (actionType === 'status') {
+                updatedChantier.statut = 'SUSPENDU' as any;
+            }
+
+            await chantierService.update(selectedChantier.id, updatedChantier);
+            
+            // Recharger la liste si le statut a changé
+            if (actionType === 'status') {
+                setChantiers(prev => prev.filter(c => c.id !== selectedChantier.id));
+            } else {
+                // Mettre à jour le chantier dans la liste
+                setChantiers(prev => prev.map(c => 
+                    c.id === selectedChantier.id ? updatedChantier : c
+                ));
+            }
+            
+            setActionDialog(false);
+            
+            toast.current?.show({
+                severity: 'success',
+                summary: 'Succès',
+                detail: actionType === 'extend' ? 'Échéance reportée' : 'Chantier suspendu',
+                life: 3000
+            });
+        } catch (error) {
+            console.error('Erreur lors de l\'action:', error);
+            toast.current?.show({
+                severity: 'error',
+                summary: 'Erreur',
+                detail: 'Impossible d\'effectuer l\'action',
+                life: 3000
+            });
+        }
+    };
+
+    const exportCSV = () => {
+        dt.current?.exportCSV();
+    };
+
+    const generateAlertReport = () => {
+        const urgentChantiers = chantiers.filter(c => getPriorityLevel(getDelayDays(c)).level === 'URGENT');
+        const report = `
+=== ALERTE CHANTIERS EN RETARD ===
+Date du rapport: ${new Date().toLocaleDateString('fr-FR')}
+
+CHANTIERS URGENTS (${urgentChantiers.length}):
+${urgentChantiers.map(c => `
+- ${c.nom}
+  Client: ${c.client ? `${c.client.prenom} ${c.client.nom}` : 'N/A'}
+  Retard: ${getDelayDays(c)} jours
+  Statut: ${c.statut}
+  Budget: ${formatCurrency(c.montantPrevu || 0)}
+`).join('')}
+
+STATISTIQUES:
+- Total chantiers en retard: ${chantiers.length}
+- Retard moyen: ${Math.round(chantiers.reduce((sum, c) => sum + getDelayDays(c), 0) / chantiers.length)} jours
+- Impact budgétaire: ${formatCurrency(chantiers.reduce((sum, c) => sum + (c.montantPrevu || 0), 0))}
+        `;
+        
+        const blob = new Blob([report], { type: 'text/plain;charset=utf-8;' });
+        const link = document.createElement('a');
+        link.href = URL.createObjectURL(blob);
+        link.download = `alerte_retards_${new Date().toISOString().split('T')[0]}.txt`;
+        link.click();
+        
+        toast.current?.show({
+            severity: 'success',
+            summary: 'Rapport généré',
+            detail: 'Le rapport d\'alerte a été téléchargé',
+            life: 3000
+        });
+    };
+
+    const leftToolbarTemplate = () => {
+        return (
+            <div className="my-2 flex gap-2">
+                <h5 className="m-0 flex align-items-center text-red-500">
+                    <i className="pi pi-exclamation-triangle mr-2"></i>
+                    Chantiers en retard ({chantiers.length})
+                </h5>
+                <Button 
+                    label="Rapport d'alerte" 
+                    icon="pi pi-file-export" 
+                    severity="danger" 
+                    size="small"
+                    onClick={generateAlertReport}
+                />
+            </div>
+        );
+    };
+
+    const rightToolbarTemplate = () => {
+        return (
+            <Button 
+                label="Exporter" 
+                icon="pi pi-upload" 
+                severity="help" 
+                onClick={exportCSV} 
+            />
+        );
+    };
+
+    const actionBodyTemplate = (rowData: Chantier) => {
+        return (
+            <ActionButtonGroup>
+                <ActionButton 
+                    icon="pi pi-calendar-plus" 
+                    tooltip="Reporter l'échéance"
+                    onClick={() => extendDeadline(rowData)}
+                    color="orange"
+                />
+                <ActionButton 
+                    icon="pi pi-pause" 
+                    tooltip="Suspendre le chantier"
+                    onClick={() => changeStatus(rowData)}
+                    color="red"
+                />
+                <ViewButton 
+                    tooltip="Voir détails"
+                    onClick={() => {
+                        toast.current?.show({
+                            severity: 'info',
+                            summary: 'Info',
+                            detail: `Détails du chantier ${rowData.nom}`,
+                            life: 3000
+                        });
+                    }}
+                />
+            </ActionButtonGroup>
+        );
+    };
+
+    const statusBodyTemplate = (rowData: Chantier) => {
+        const delayDays = getDelayDays(rowData);
+        const priority = getPriorityLevel(delayDays);
+        
+        return (
+            <div className="flex align-items-center gap-2">
+                <Tag 
+                    value={rowData.statut === 'PLANIFIE' ? 'Non démarré' : 'En cours'} 
+                    severity={rowData.statut === 'PLANIFIE' ? 'info' : 'success'} 
+                />
+                <Chip 
+                    label={priority.level} 
+                    style={{ backgroundColor: priority.color, color: 'white' }}
+                    className="text-xs"
+                />
+            </div>
+        );
+    };
+
+    const delayBodyTemplate = (rowData: Chantier) => {
+        const delayDays = getDelayDays(rowData);
+        const severity = getDelaySeverity(delayDays);
+        
+        return (
+            <div className="flex align-items-center gap-2">
+                <Tag 
+                    value={`${delayDays} jour${delayDays > 1 ? 's' : ''}`} 
+                    severity={severity} 
+                    icon="pi pi-clock"
+                />
+                {rowData.statut === 'PLANIFIE' && (
+                    <small className="text-600">de retard au démarrage</small>
+                )}
+                {rowData.statut === 'EN_COURS' && (
+                    <small className="text-600">après l'échéance</small>
+                )}
+            </div>
+        );
+    };
+
+    const progressBodyTemplate = (rowData: Chantier) => {
+        if (rowData.statut === 'PLANIFIE') {
+            return <span className="text-600">Non démarré</span>;
+        }
+        
+        const progress = calculateProgress(rowData);
+        return (
+            <div className="flex align-items-center gap-2">
+                <ProgressBar 
+                    value={Math.min(progress, 100)} 
+                    style={{ height: '6px', width: '100px' }}
+                    color={progress > 100 ? '#ef4444' : undefined}
+                />
+                <span className={`text-sm ${progress > 100 ? 'text-red-500 font-bold' : ''}`}>
+                    {Math.round(progress)}%
+                </span>
+            </div>
+        );
+    };
+
+    const clientBodyTemplate = (rowData: Chantier) => {
+        if (!rowData.client) return '';
+        return `${rowData.client.prenom} ${rowData.client.nom}`;
+    };
+
+    const referenceeDateBodyTemplate = (rowData: Chantier) => {
+        const date = rowData.statut === 'PLANIFIE' ? rowData.dateDebut : rowData.dateFinPrevue;
+        const label = rowData.statut === 'PLANIFIE' ? 'Début prévu' : 'Fin prévue';
+        
+        return (
+            <div>
+                <div className="font-bold text-red-500">{formatDate(date)}</div>
+                <small className="text-600">{label}</small>
+            </div>
+        );
+    };
+
+    const header = (
+        <div className="flex flex-column md:flex-row md:justify-content-between md:align-items-center">
+            <h5 className="m-0">Chantiers nécessitant une attention immédiate</h5>
+            <span className="block mt-2 md:mt-0 p-input-icon-left">
+                <i className="pi pi-search" />
+                <InputText 
+                    type="search" 
+                    placeholder="Rechercher..." 
+                    onInput={(e) => setGlobalFilter(e.currentTarget.value)} 
+                />
+            </span>
+        </div>
+    );
+
+    const actionDialogFooter = (
+        <>
+            <Button 
+                label="Annuler" 
+                icon="pi pi-times" 
+                text 
+                onClick={() => setActionDialog(false)} 
+            />
+            <Button 
+                label={actionType === 'extend' ? 'Reporter' : 'Suspendre'} 
+                icon={actionType === 'extend' ? 'pi pi-calendar-plus' : 'pi pi-pause'} 
+                text 
+                onClick={handleAction} 
+            />
+        </>
+    );
+
+    return (
+        <div className="grid">
+            <div className="col-12">
+                <Card>
+                    <Toast ref={toast} />
+                    <Toolbar className="mb-4" left={leftToolbarTemplate} right={rightToolbarTemplate} />
+
+                    <DataTable
+                        ref={dt}
+                        value={chantiers}
+                        selection={selectedChantiers}
+                        onSelectionChange={(e) => setSelectedChantiers(e.value)}
+                        selectionMode="multiple"
+                        dataKey="id"
+                        paginator
+                        rows={10}
+                        rowsPerPageOptions={[5, 10, 25]}
+                        className="datatable-responsive"
+                        paginatorTemplate="FirstPageLink PrevPageLink PageLinks NextPageLink LastPageLink CurrentPageReport RowsPerPageDropdown"
+                        currentPageReportTemplate="Affichage de {first} à {last} sur {totalRecords} chantiers"
+                        globalFilter={globalFilter}
+                        emptyMessage="Aucun chantier en retard trouvé."
+                        header={header}
+                        responsiveLayout="scroll"
+                        loading={loading}
+                        sortField="dateDebut"
+                        sortOrder={1}
+                    >
+                        <Column selectionMode="multiple" headerStyle={{ width: '4rem' }} />
+                        <Column field="nom" header="Nom" sortable headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="client" header="Client" body={clientBodyTemplate} sortable headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="referenceDate" header="Date de référence" body={referenceeDateBodyTemplate} sortable headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="delay" header="Retard" body={delayBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="statut" header="Statut/Priorité" body={statusBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="progress" header="Progression" body={progressBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
+                        <Column field="montantPrevu" header="Budget" body={(rowData) => formatCurrency(rowData.montantPrevu)} sortable headerStyle={{ minWidth: '10rem' }} />
+                        <Column body={actionBodyTemplate} headerStyle={{ minWidth: '12rem' }} />
+                    </DataTable>
+
+                    <Dialog 
+                        visible={actionDialog} 
+                        style={{ width: '500px' }} 
+                        header={actionType === 'extend' ? 'Reporter l\'échéance' : 'Suspendre le chantier'}
+                        modal 
+                        className="p-fluid" 
+                        footer={actionDialogFooter} 
+                        onHide={() => setActionDialog(false)}
+                    >
+                        <div className="formgrid grid">
+                            <div className="field col-12">
+                                <p>
+                                    Chantier: <strong>{selectedChantier?.nom}</strong>
+                                </p>
+                                <p>
+                                    Retard actuel: <strong>{selectedChantier ? getDelayDays(selectedChantier) : 0} jour(s)</strong>
+                                </p>
+                            </div>
+                            
+                            {actionType === 'extend' && (
+                                <div className="field col-12">
+                                    <label htmlFor="newEndDate">Nouvelle date de fin prévue</label>
+                                    <Calendar 
+                                        id="newEndDate" 
+                                        value={newEndDate} 
+                                        onChange={(e) => setNewEndDate(e.value)} 
+                                        dateFormat="dd/mm/yy" 
+                                        showIcon 
+                                        minDate={new Date()}
+                                    />
+                                </div>
+                            )}
+
+                            <div className="field col-12">
+                                <label htmlFor="actionNotes">
+                                    {actionType === 'extend' ? 'Raison du report' : 'Raison de la suspension'}
+                                </label>
+                                <InputTextarea 
+                                    id="actionNotes" 
+                                    value={actionNotes} 
+                                    onChange={(e) => setActionNotes(e.target.value)} 
+                                    rows={3} 
+                                    placeholder="Expliquez la raison de cette action..."
+                                />
+                            </div>
+                        </div>
+                    </Dialog>
+                </Card>
+            </div>
+        </div>
+    );
+};
+
+export default ChantiersRetardPage;
+
+
diff --git a/app/(main)/clients/[id]/page.tsx b/app/(main)/clients/[id]/page.tsx
index b7ad2bc..18a75b9 100644
--- a/app/(main)/clients/[id]/page.tsx
+++ b/app/(main)/clients/[id]/page.tsx
@@ -10,37 +10,8 @@ import { Divider } from 'primereact/divider';
 import { DataTable } from 'primereact/datatable';
 import { Column } from 'primereact/column';
 import { Tag } from 'primereact/tag';
-import { apiService } from '@/services/api';
-
-interface Client {
-  id: number;
-  nom: string;
-  email: string;
-  telephone: string;
-  adresse: string;
-  ville: string;
-  codePostal: string;
-  typeClient: string;
-  dateCreation: string;
-  chantiers: Chantier[];
-  factures: Facture[];
-}
-
-interface Chantier {
-  id: number;
-  nom: string;
-  statut: string;
-  dateDebut: string;
-  budget: number;
-}
-
-interface Facture {
-  id: number;
-  numero: string;
-  montant: number;
-  dateEmission: string;
-  statut: string;
-}
+import { clientService } from '@/services/api';
+import type { Client, Chantier, Facture } from '@/types/btp';
 
 export default function ClientDetailsPage() {
   const params = useParams();
@@ -59,7 +30,7 @@ export default function ClientDetailsPage() {
   const loadClient = async () => {
     try {
       setLoading(true);
-      const data = await apiService.clients.getById(Number(id));
+      const data = await clientService.getById(id);
       setClient(data);
     } catch (error) {
       console.error('Erreur lors du chargement du client:', error);
@@ -84,7 +55,8 @@ export default function ClientDetailsPage() {
 
   const statutFactureTemplate = (rowData: Facture) => {
     const severity = rowData.statut === 'PAYEE' ? 'success' :
-                     rowData.statut === 'EN_ATTENTE' ? 'warning' : 'danger';
+                     rowData.statut === 'ENVOYEE' || rowData.statut === 'BROUILLON' ? 'warning' :
+                     rowData.statut === 'PARTIELLEMENT_PAYEE' ? 'info' : 'danger';
     return <Tag value={rowData.statut} severity={severity} />;
   };
 
@@ -106,8 +78,8 @@ export default function ClientDetailsPage() {
               />
               <Avatar label={client.nom[0]} size="xlarge" shape="circle" className="mr-3" />
               <div>
-                <h2 className="m-0">{client.nom}</h2>
-                <p className="text-600 m-0">{client.typeClient}</p>
+                <h2 className="m-0">{client.nom} {client.prenom}</h2>
+                <p className="text-600 m-0">{client.entreprise || 'Particulier'}</p>
               </div>
             </div>
             <Button
@@ -137,81 +109,24 @@ export default function ClientDetailsPage() {
             </div>
 
             <div className="col-12 md:col-6">
-              <h3>Statistiques</h3>
-              <div className="grid">
-                <div className="col-6">
-                  <Card className="text-center">
-                    <div className="text-600">Chantiers</div>
-                    <div className="text-2xl font-bold">{client.chantiers?.length || 0}</div>
-                  </Card>
-                </div>
-                <div className="col-6">
-                  <Card className="text-center">
-                    <div className="text-600">Factures</div>
-                    <div className="text-2xl font-bold">{client.factures?.length || 0}</div>
-                  </Card>
-                </div>
-              </div>
+              <h3>Informations supplémentaires</h3>
+              <div className="mb-2"><strong>SIRET:</strong> {client.siret || 'N/A'}</div>
+              <div className="mb-2"><strong>N° TVA:</strong> {client.numeroTVA || 'N/A'}</div>
+              <div className="mb-2"><strong>Date de création:</strong> {new Date(client.dateCreation).toLocaleDateString('fr-FR')}</div>
             </div>
           </div>
         </Card>
       </div>
 
       <div className="col-12">
-        <Card>
-          <TabView>
-            <TabPanel header="Chantiers" leftIcon="pi pi-home mr-2">
-              <DataTable value={client.chantiers || []} emptyMessage="Aucun chantier">
-                <Column field="nom" header="Nom" sortable />
-                <Column field="statut" header="Statut" body={statutChantierTemplate} sortable />
-                <Column field="dateDebut" header="Date début" sortable />
-                <Column
-                  field="budget"
-                  header="Budget"
-                  body={(rowData) => formatMontant(rowData.budget)}
-                  sortable
-                />
-                <Column
-                  header="Actions"
-                  body={(rowData) => (
-                    <Button
-                      icon="pi pi-eye"
-                      className="p-button-text p-button-sm"
-                      onClick={() => router.push(`/chantiers/${rowData.id}`)}
-                    />
-                  )}
-                />
-              </DataTable>
-            </TabPanel>
-
-            <TabPanel header="Factures" leftIcon="pi pi-file mr-2">
-              <DataTable value={client.factures || []} emptyMessage="Aucune facture">
-                <Column field="numero" header="Numéro" sortable />
-                <Column
-                  field="montant"
-                  header="Montant"
-                  body={(rowData) => formatMontant(rowData.montant)}
-                  sortable
-                />
-                <Column field="dateEmission" header="Date" sortable />
-                <Column field="statut" header="Statut" body={statutFactureTemplate} sortable />
-                <Column
-                  header="Actions"
-                  body={(rowData) => (
-                    <Button
-                      icon="pi pi-eye"
-                      className="p-button-text p-button-sm"
-                      onClick={() => router.push(`/factures/${rowData.id}`)}
-                    />
-                  )}
-                />
-              </DataTable>
-            </TabPanel>
-
-            <TabPanel header="Documents" leftIcon="pi pi-folder mr-2">
-              <p>Documents du client</p>
-            </TabPanel>
-          </TabView>
+        <Card title="Activités">
+          <p className="text-600">
+            Les chantiers et factures associés à ce client seront affichés ici une fois la relation établie dans le backend.
+          </p>
+          <div className="flex gap-2 mt-3">
+            <Button label="Voir les chantiers" icon="pi pi-home" className="p-button-outlined" onClick={() => router.push('/chantiers')} />
+            <Button label="Voir les factures" icon="pi pi-file" className="p-button-outlined" onClick={() => router.push('/factures')} />
+          </div>
         </Card>
       </div>
     </div>
diff --git a/app/(main)/materiels/[id]/page.tsx b/app/(main)/materiels/[id]/page.tsx
index b704864..ba7c19e 100644
--- a/app/(main)/materiels/[id]/page.tsx
+++ b/app/(main)/materiels/[id]/page.tsx
@@ -10,39 +10,8 @@ import { Calendar } from 'primereact/calendar';
 import { DataTable } from 'primereact/datatable';
 import { Column } from 'primereact/column';
 import { Timeline } from 'primereact/timeline';
-import { apiService } from '@/services/api';
-
-interface Materiel {
-  id: number;
-  nom: string;
-  reference: string;
-  type: string;
-  marque: string;
-  modele: string;
-  statut: string;
-  dateAchat: string;
-  prixAchat: number;
-  tauxJournalier: number;
-  disponibilite: string;
-  reservations: Reservation[];
-  maintenances: Maintenance[];
-}
-
-interface Reservation {
-  id: number;
-  chantier: string;
-  dateDebut: string;
-  dateFin: string;
-  statut: string;
-}
-
-interface Maintenance {
-  id: number;
-  type: string;
-  date: string;
-  description: string;
-  cout: number;
-}
+import { materielService } from '@/services/api';
+import type { Materiel } from '@/types/btp';
 
 export default function MaterielDetailsPage() {
   const params = useParams();
@@ -61,7 +30,7 @@ export default function MaterielDetailsPage() {
   const loadMateriel = async () => {
     try {
       setLoading(true);
-      const data = await apiService.materiels.getById(Number(id));
+      const data = await materielService.getById(id);
       setMateriel(data);
     } catch (error) {
       console.error('Erreur lors du chargement du matériel:', error);
@@ -93,9 +62,6 @@ export default function MaterielDetailsPage() {
     }
   };
 
-  const statutTemplate = (rowData: Reservation) => {
-    return <Tag value={rowData.statut} severity={getStatutSeverity(rowData.statut)} />;
-  };
 
   if (loading || !materiel) {
     return <div>Chargement...</div>;
@@ -115,7 +81,7 @@ export default function MaterielDetailsPage() {
               />
               <div>
                 <h2 className="m-0">{materiel.nom}</h2>
-                <p className="text-600 m-0">{materiel.reference}</p>
+                <p className="text-600 m-0">{materiel.numeroSerie || 'N/A'}</p>
               </div>
             </div>
             <div>
@@ -136,11 +102,11 @@ export default function MaterielDetailsPage() {
             <div className="col-12 md:col-6">
               <h3>Informations</h3>
               <div className="mb-2"><strong>Type:</strong> {materiel.type}</div>
-              <div className="mb-2"><strong>Marque:</strong> {materiel.marque}</div>
-              <div className="mb-2"><strong>Modèle:</strong> {materiel.modele}</div>
-              <div className="mb-2"><strong>Date d'achat:</strong> {materiel.dateAchat}</div>
-              <div className="mb-2"><strong>Prix d'achat:</strong> {formatMontant(materiel.prixAchat)}</div>
-              <div className="mb-2"><strong>Tarif journalier:</strong> {formatMontant(materiel.tauxJournalier)}</div>
+              <div className="mb-2"><strong>Marque:</strong> {materiel.marque || 'N/A'}</div>
+              <div className="mb-2"><strong>Modèle:</strong> {materiel.modele || 'N/A'}</div>
+              <div className="mb-2"><strong>Date d'achat:</strong> {materiel.dateAchat || 'N/A'}</div>
+              <div className="mb-2"><strong>Valeur d'achat:</strong> {formatMontant(materiel.valeurAchat || 0)}</div>
+              <div className="mb-2"><strong>Coût d'utilisation:</strong> {formatMontant(materiel.coutUtilisation || 0)}</div>
             </div>
 
             <div className="col-12 md:col-6">
@@ -152,41 +118,14 @@ export default function MaterielDetailsPage() {
       </div>
 
       <div className="col-12">
-        <Card>
-          <TabView>
-            <TabPanel header="Réservations" leftIcon="pi pi-calendar mr-2">
-              <DataTable value={materiel.reservations || []} emptyMessage="Aucune réservation">
-                <Column field="chantier" header="Chantier" sortable />
-                <Column field="dateDebut" header="Date début" sortable />
-                <Column field="dateFin" header="Date fin" sortable />
-                <Column field="statut" header="Statut" body={statutTemplate} sortable />
-                <Column
-                  header="Actions"
-                  body={() => (
-                    <Button icon="pi pi-eye" className="p-button-text p-button-sm" />
-                  )}
-                />
-              </DataTable>
-            </TabPanel>
-
-            <TabPanel header="Maintenances" leftIcon="pi pi-wrench mr-2">
-              <Timeline
-                value={materiel.maintenances || []}
-                content={(item: Maintenance) => (
-                  <Card>
-                    <div><strong>{item.type}</strong></div>
-                    <div className="text-600">{item.date}</div>
-                    <p>{item.description}</p>
-                    <div><strong>Coût:</strong> {formatMontant(item.cout)}</div>
-                  </Card>
-                )}
-              />
-            </TabPanel>
-
-            <TabPanel header="Documents" leftIcon="pi pi-folder mr-2">
-              <p>Documents techniques et certificats</p>
-            </TabPanel>
-          </TabView>
+        <Card title="Historique d'utilisation">
+          <p className="text-600">
+            Les réservations et maintenances de ce matériel seront affichées ici une fois la relation établie dans le backend.
+          </p>
+          <div className="flex gap-2 mt-3">
+            <Button label="Voir le planning" icon="pi pi-calendar" className="p-button-outlined" onClick={() => router.push('/planning')} />
+            <Button label="Planifier une maintenance" icon="pi pi-wrench" className="p-button-outlined" />
+          </div>
         </Card>
       </div>
     </div>
diff --git a/app/api/auth/logout/route.ts b/app/api/auth/logout/route.ts
index a88389a..ea480e5 100644
--- a/app/api/auth/logout/route.ts
+++ b/app/api/auth/logout/route.ts
@@ -9,7 +9,7 @@ const POST_LOGOUT_REDIRECT_URI = process.env.NEXT_PUBLIC_APP_URL || 'https://btp
 export async function GET(request: NextRequest) {
   console.log('🚪 Logout API called');
 
-  const cookieStore = cookies();
+  const cookieStore = await cookies();
 
   // Récupérer l'id_token avant de supprimer les cookies
   const idToken = cookieStore.get('id_token')?.value;
diff --git a/app/api/auth/token/route.ts b/app/api/auth/token/route.ts
index 19ce7ff..e6a8c40 100644
--- a/app/api/auth/token/route.ts
+++ b/app/api/auth/token/route.ts
@@ -72,7 +72,7 @@ export async function POST(request: NextRequest) {
     console.log('✅ Tokens received from Keycloak');
 
     // Stocker les tokens dans des cookies HttpOnly sécurisés
-    const cookieStore = cookies();
+    const cookieStore = await cookies();
     const isProduction = process.env.NODE_ENV === 'production';
 
     // Access token (durée: expires_in secondes)
diff --git a/app/api/auth/userinfo/route.ts b/app/api/auth/userinfo/route.ts
index 0b037ea..f096ebb 100644
--- a/app/api/auth/userinfo/route.ts
+++ b/app/api/auth/userinfo/route.ts
@@ -10,7 +10,7 @@ export async function GET(request: NextRequest) {
   console.log('👤 Userinfo API called');
 
   try {
-    const cookieStore = cookies();
+    const cookieStore = await cookies();
     const accessToken = cookieStore.get('access_token')?.value;
 
     if (!accessToken) {
diff --git a/app/auth/login/page.tsx b/app/auth/login/page.tsx
index b9f3f26..08f8461 100644
--- a/app/auth/login/page.tsx
+++ b/app/auth/login/page.tsx
@@ -1,11 +1,11 @@
 'use client';
 
-import React from 'react';
+import React, { Suspense } from 'react';
 import { useSearchParams } from 'next/navigation';
 import { Button } from 'primereact/button';
 import { Card } from 'primereact/card';
 
-export default function LoginPage() {
+function LoginContent() {
   const searchParams = useSearchParams();
   const returnUrl = searchParams.get('returnUrl') || '/dashboard';
 
@@ -68,3 +68,15 @@ export default function LoginPage() {
     </div>
   );
 }
+
+export default function LoginPage() {
+  return (
+    <Suspense fallback={
+      <div className="min-h-screen flex align-items-center justify-content-center">
+        <i className="pi pi-spin pi-spinner text-4xl"></i>
+      </div>
+    }>
+      <LoginContent />
+    </Suspense>
+  );
+}
diff --git a/env.example b/env.example
index 01dd2e4..af0c69a 100644
--- a/env.example
+++ b/env.example
@@ -1,16 +1,16 @@
-# Configuration d'environnement pour BTPXpress Frontend
-# Copiez ce fichier vers .env.local et remplissez les valeurs
-
-# API Backend
-NEXT_PUBLIC_API_URL=http://localhost:8080
-NEXT_PUBLIC_API_TIMEOUT=15000
-
-# Keycloak
-NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
-NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
-NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
-
-# Application
-NEXT_PUBLIC_APP_NAME=BTP Xpress
-NEXT_PUBLIC_APP_VERSION=1.0.0
-NEXT_PUBLIC_APP_ENV=development
+# Configuration d'environnement pour BTPXpress Frontend
+# Copiez ce fichier vers .env.local et remplissez les valeurs
+
+# API Backend
+NEXT_PUBLIC_API_URL=http://localhost:8080
+NEXT_PUBLIC_API_TIMEOUT=15000
+
+# Keycloak
+NEXT_PUBLIC_KEYCLOAK_URL=https://security.lions.dev
+NEXT_PUBLIC_KEYCLOAK_REALM=btpxpress
+NEXT_PUBLIC_KEYCLOAK_CLIENT_ID=btpxpress-frontend
+
+# Application
+NEXT_PUBLIC_APP_NAME=BTP Xpress
+NEXT_PUBLIC_APP_VERSION=1.0.0
+NEXT_PUBLIC_APP_ENV=development
diff --git a/next.config.js b/next.config.js
index b42d520..4579135 100644
--- a/next.config.js
+++ b/next.config.js
@@ -1,124 +1,124 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {
-    reactStrictMode: false, // Disabled to prevent double OAuth code usage in dev
-    output: 'standalone',
-
-    // Optimisations pour la production
-    compress: true,
-    poweredByHeader: false,
-    generateEtags: false,
-
-    // Désactiver la génération statique pour éviter les erreurs useSearchParams
-    skipTrailingSlashRedirect: true,
-
-    // Configuration des images optimisées
-    images: {
-        domains: ['btpxpress.lions.dev', 'api.lions.dev', 'security.lions.dev'],
-        formats: ['image/webp', 'image/avif'],
-        minimumCacheTTL: 60,
-        dangerouslyAllowSVG: true,
-        contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
-    },
-
-    // Optimisations de performance
-    experimental: {
-        optimizeCss: true,
-        optimizePackageImports: ['primereact', 'primeicons', 'chart.js', 'axios'],
-    },
-
-    // Packages externes pour les composants serveur
-    serverExternalPackages: ['@prisma/client'],
-
-    // Configuration Turbopack (stable)
-    turbopack: {
-        rules: {
-            '*.svg': {
-                loaders: ['@svgr/webpack'],
-                as: '*.js',
-            },
-        },
-    },
-
-    // Configuration du bundler optimisée
-    webpack: (config, { dev, isServer }) => {
-        // Optimisations pour la production
-        if (!dev && !isServer) {
-            config.optimization.splitChunks = {
-                chunks: 'all',
-                cacheGroups: {
-                    vendor: {
-                        test: /[\\/]node_modules[\\/]/,
-                        name: 'vendors',
-                        chunks: 'all',
-                    },
-                    primereact: {
-                        test: /[\\/]node_modules[\\/]primereact[\\/]/,
-                        name: 'primereact',
-                        chunks: 'all',
-                    },
-                    charts: {
-                        test: /[\\/]node_modules[\\/](chart\.js|react-chartjs-2)[\\/]/,
-                        name: 'charts',
-                        chunks: 'all',
-                    },
-                },
-            };
-        }
-        
-        // Alias pour optimiser les imports
-        config.resolve.alias = {
-            ...config.resolve.alias,
-            '@': require('path').resolve(__dirname),
-            '@components': require('path').resolve(__dirname, 'components'),
-            '@services': require('path').resolve(__dirname, 'services'),
-            '@types': require('path').resolve(__dirname, 'types'),
-            '@utils': require('path').resolve(__dirname, 'utils'),
-        };
-
-        return config;
-    },
-
-    // Headers de sécurité
-    async headers() {
-        return [
-            {
-                source: '/(.*)',
-                headers: [
-                    {
-                        key: 'X-Frame-Options',
-                        value: 'DENY'
-                    },
-                    {
-                        key: 'X-Content-Type-Options',
-                        value: 'nosniff'
-                    },
-                    {
-                        key: 'Referrer-Policy',
-                        value: 'strict-origin-when-cross-origin'
-                    }
-                ]
-            }
-        ];
-    },
-
-    async redirects() {
-        return [
-            {
-                source: '/apps/mail',
-                destination: '/apps/mail/inbox',
-                permanent: true
-            }
-        ];
-    },
-
-    // Configuration des variables d'environnement
-    env: {
-        NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL,
-        NEXT_PUBLIC_KEYCLOAK_URL: process.env.NEXT_PUBLIC_KEYCLOAK_URL,
-        NEXT_PUBLIC_KEYCLOAK_REALM: process.env.NEXT_PUBLIC_KEYCLOAK_REALM,
-        NEXT_PUBLIC_KEYCLOAK_CLIENT_ID: process.env.NEXT_PUBLIC_KEYCLOAK_CLIENT_ID,
-        NEXT_PUBLIC_APP_ENV: process.env.NEXT_PUBLIC_APP_ENV,
-    }
-};
-
-module.exports = nextConfig;
+/** @type {import('next').NextConfig} */
+const nextConfig = {
+    reactStrictMode: false, // Disabled to prevent double OAuth code usage in dev
+    output: 'standalone',
+
+    // Optimisations pour la production
+    compress: true,
+    poweredByHeader: false,
+    generateEtags: false,
+
+    // Désactiver la génération statique pour éviter les erreurs useSearchParams
+    skipTrailingSlashRedirect: true,
+
+    // Configuration des images optimisées
+    images: {
+        domains: ['btpxpress.lions.dev', 'api.lions.dev', 'security.lions.dev'],
+        formats: ['image/webp', 'image/avif'],
+        minimumCacheTTL: 60,
+        dangerouslyAllowSVG: true,
+        contentSecurityPolicy: "default-src 'self'; script-src 'none'; sandbox;",
+    },
+
+    // Optimisations de performance
+    experimental: {
+        optimizeCss: true,
+        optimizePackageImports: ['primereact', 'primeicons', 'chart.js', 'axios'],
+    },
+
+    // Packages externes pour les composants serveur
+    serverExternalPackages: ['@prisma/client'],
+
+    // Configuration Turbopack (stable)
+    turbopack: {
+        rules: {
+            '*.svg': {
+                loaders: ['@svgr/webpack'],
+                as: '*.js',
+            },
+        },
+    },
+
+    // Configuration du bundler optimisée
+    webpack: (config, { dev, isServer }) => {
+        // Optimisations pour la production
+        if (!dev && !isServer) {
+            config.optimization.splitChunks = {
+                chunks: 'all',
+                cacheGroups: {
+                    vendor: {
+                        test: /[\\/]node_modules[\\/]/,
+                        name: 'vendors',
+                        chunks: 'all',
+                    },
+                    primereact: {
+                        test: /[\\/]node_modules[\\/]primereact[\\/]/,
+                        name: 'primereact',
+                        chunks: 'all',
+                    },
+                    charts: {
+                        test: /[\\/]node_modules[\\/](chart\.js|react-chartjs-2)[\\/]/,
+                        name: 'charts',
+                        chunks: 'all',
+                    },
+                },
+            };
+        }
+        
+        // Alias pour optimiser les imports
+        config.resolve.alias = {
+            ...config.resolve.alias,
+            '@': require('path').resolve(__dirname),
+            '@components': require('path').resolve(__dirname, 'components'),
+            '@services': require('path').resolve(__dirname, 'services'),
+            '@types': require('path').resolve(__dirname, 'types'),
+            '@utils': require('path').resolve(__dirname, 'utils'),
+        };
+
+        return config;
+    },
+
+    // Headers de sécurité
+    async headers() {
+        return [
+            {
+                source: '/(.*)',
+                headers: [
+                    {
+                        key: 'X-Frame-Options',
+                        value: 'DENY'
+                    },
+                    {
+                        key: 'X-Content-Type-Options',
+                        value: 'nosniff'
+                    },
+                    {
+                        key: 'Referrer-Policy',
+                        value: 'strict-origin-when-cross-origin'
+                    }
+                ]
+            }
+        ];
+    },
+
+    async redirects() {
+        return [
+            {
+                source: '/apps/mail',
+                destination: '/apps/mail/inbox',
+                permanent: true
+            }
+        ];
+    },
+
+    // Configuration des variables d'environnement
+    env: {
+        NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL,
+        NEXT_PUBLIC_KEYCLOAK_URL: process.env.NEXT_PUBLIC_KEYCLOAK_URL,
+        NEXT_PUBLIC_KEYCLOAK_REALM: process.env.NEXT_PUBLIC_KEYCLOAK_REALM,
+        NEXT_PUBLIC_KEYCLOAK_CLIENT_ID: process.env.NEXT_PUBLIC_KEYCLOAK_CLIENT_ID,
+        NEXT_PUBLIC_APP_ENV: process.env.NEXT_PUBLIC_APP_ENV,
+    }
+};
+
+module.exports = nextConfig;
diff --git a/tsconfig.json b/tsconfig.json
index b400f20..33586d2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,41 +1,41 @@
-{
-  "compilerOptions": {
-    "lib": [
-      "dom",
-      "dom.iterable",
-      "esnext"
-    ],
-    "allowJs": true,
-    "skipLibCheck": true,
-    "strict": false,
-    "forceConsistentCasingInFileNames": true,
-    "noEmit": true,
-    "incremental": true,
-    "esModuleInterop": true,
-    "module": "esnext",
-    "moduleResolution": "node",
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "jsx": "preserve",
-    "plugins": [
-      {
-        "name": "next"
-      }
-    ],
-    "paths": {
-      "@/*": [
-        "./*"
-      ]
-    },
-    "target": "ES2017"
-  },
-  "include": [
-    "next-env.d.ts",
-    ".next/types/**/*.ts",
-    "**/*.ts",
-    "**/*.tsx"
-  ],
-  "exclude": [
-    "node_modules"
-  ]
-}
+{
+  "compilerOptions": {
+    "lib": [
+      "dom",
+      "dom.iterable",
+      "esnext"
+    ],
+    "allowJs": true,
+    "skipLibCheck": true,
+    "strict": false,
+    "forceConsistentCasingInFileNames": true,
+    "noEmit": true,
+    "incremental": true,
+    "esModuleInterop": true,
+    "module": "esnext",
+    "moduleResolution": "node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "jsx": "preserve",
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ],
+    "paths": {
+      "@/*": [
+        "./*"
+      ]
+    },
+    "target": "ES2017"
+  },
+  "include": [
+    "next-env.d.ts",
+    ".next/types/**/*.ts",
+    "**/*.ts",
+    "**/*.tsx"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}