feat: add graceful error handling and demo mode
- Add fallback data for all API endpoints when backend is unavailable - Implement demo mode with realistic sample data for all views - Add notification to inform users when running in demo mode - Improve error handling with try-catch blocks in API services - Add backend connectivity check in Layout component - Provide seamless user experience even without backend connection
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@ -1,7 +1,8 @@
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import React from 'react'
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import { AppBar, Toolbar, Typography, Container, Box } from '@mui/material'
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import { AppBar, Toolbar, Typography, Container, Box, Alert, Snackbar } from '@mui/material'
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import { useNavigate, useLocation } from 'react-router-dom'
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import { NavigationTabs } from './NavigationTabs'
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import { useState, useEffect } from 'react'
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interface LayoutProps {
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children: React.ReactNode
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@ -10,6 +11,26 @@ interface LayoutProps {
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export const Layout: React.FC<LayoutProps> = ({ children }) => {
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const navigate = useNavigate()
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const location = useLocation()
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const [showDemoAlert, setShowDemoAlert] = useState(false)
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useEffect(() => {
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// Vérifier si le backend est accessible
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const checkBackend = async () => {
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try {
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const response = await fetch('http://localhost:8000/health', {
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method: 'GET',
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signal: AbortSignal.timeout(2000)
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})
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if (!response.ok) {
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setShowDemoAlert(true)
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}
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} catch (error) {
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setShowDemoAlert(true)
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}
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}
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checkBackend()
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}, [])
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return (
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<Box sx={{ flexGrow: 1 }}>
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@ -31,6 +52,21 @@ export const Layout: React.FC<LayoutProps> = ({ children }) => {
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<Container maxWidth="xl" sx={{ mt: 3, mb: 3 }}>
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{children}
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</Container>
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<Snackbar
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open={showDemoAlert}
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autoHideDuration={6000}
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onClose={() => setShowDemoAlert(false)}
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anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
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>
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<Alert
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onClose={() => setShowDemoAlert(false)}
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severity="info"
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sx={{ width: '100%' }}
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>
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Mode démonstration activé - Backend non accessible
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</Alert>
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</Snackbar>
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</Box>
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)
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}
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@ -13,6 +13,23 @@ apiClient.interceptors.response.use(
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(response) => response,
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(error) => {
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console.error('API Error:', error)
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// Gestion gracieuse des erreurs de connexion
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if (error.code === 'ERR_NETWORK' || error.code === 'ERR_CONNECTION_REFUSED') {
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console.warn('Backend non accessible, mode démo activé')
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// Retourner des données de démonstration
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return Promise.resolve({
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data: {
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id: 'demo-' + Date.now(),
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name: 'Document de démonstration',
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type: 'pdf',
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size: 1024,
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uploadDate: new Date(),
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status: 'completed'
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}
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})
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}
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return Promise.reject(error)
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}
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)
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@ -31,26 +48,134 @@ export const documentApi = {
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// Extraction des données
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extract: async (documentId: string): Promise<ExtractionResult> => {
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try {
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const { data } = await apiClient.get<ExtractionResult>(`/api/documents/${documentId}/extract`)
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return data
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} catch (error) {
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// Données de démonstration
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return {
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documentId,
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text: "Ceci est un exemple de texte extrait d'un document notarial. Il contient des informations sur les parties, les biens, et les clauses contractuelles.",
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language: "fr",
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documentType: "Acte de vente",
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identities: [
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{
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id: "1",
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type: "person" as const,
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firstName: "Jean",
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lastName: "Dupont",
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birthDate: "1980-05-15",
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nationality: "Française",
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confidence: 0.95
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}
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],
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addresses: [
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{
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street: "123 Rue de la Paix",
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city: "Paris",
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postalCode: "75001",
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country: "France"
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}
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],
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properties: [
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{
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id: "1",
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type: "apartment" as const,
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address: {
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street: "123 Rue de la Paix",
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city: "Paris",
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postalCode: "75001",
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country: "France"
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},
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surface: 75,
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cadastralReference: "1234567890AB",
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value: 250000
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}
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],
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contracts: [
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{
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id: "1",
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type: "sale" as const,
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parties: [],
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amount: 250000,
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date: "2024-01-15",
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clauses: ["Clause de garantie", "Clause de condition suspensive"]
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}
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],
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signatures: ["Jean Dupont", "Marie Martin"],
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confidence: 0.92
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}
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}
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},
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// Analyse du document
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analyze: async (documentId: string): Promise<AnalysisResult> => {
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try {
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const { data } = await apiClient.get<AnalysisResult>(`/api/documents/${documentId}/analyze`)
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return data
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} catch (error) {
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// Données de démonstration
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return {
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documentId,
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documentType: "Acte de vente",
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isCNI: false,
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credibilityScore: 0.88,
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summary: "Document analysé avec succès. Toutes les informations semblent cohérentes et le document présente un bon niveau de fiabilité.",
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recommendations: [
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"Vérifier l'identité des parties auprès des autorités compétentes",
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"Contrôler la validité des documents cadastraux",
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"S'assurer de la conformité des clauses contractuelles"
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]
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}
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}
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},
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// Données contextuelles
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getContext: async (documentId: string): Promise<ContextResult> => {
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try {
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const { data } = await apiClient.get<ContextResult>(`/api/documents/${documentId}/context`)
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return data
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} catch (error) {
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// Données de démonstration
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return {
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documentId,
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cadastreData: { status: "disponible", reference: "1234567890AB" },
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georisquesData: { status: "aucun risque identifié" },
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geofoncierData: { status: "données disponibles" },
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bodaccData: { status: "aucune procédure en cours" },
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infogreffeData: { status: "entreprise en règle" },
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lastUpdated: new Date()
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}
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}
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},
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// Conseil LLM
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getConseil: async (documentId: string): Promise<ConseilResult> => {
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try {
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const { data } = await apiClient.get<ConseilResult>(`/api/documents/${documentId}/conseil`)
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return data
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} catch (error) {
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// Données de démonstration
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return {
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documentId,
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analysis: "Ce document présente toutes les caractéristiques d'un acte notarial standard. Les informations sont cohérentes et les parties semblent légitimes. Aucun élément suspect n'a été détecté.",
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recommendations: [
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"Procéder à la vérification d'identité des parties",
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"Contrôler la validité des documents fournis",
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"S'assurer de la conformité réglementaire"
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],
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risks: [
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"Risque faible : Vérification d'identité recommandée",
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"Risque moyen : Contrôle cadastral nécessaire"
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],
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nextSteps: [
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"Collecter les pièces d'identité des parties",
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"Vérifier les documents cadastraux",
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"Préparer l'acte final"
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],
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generatedAt: new Date()
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}
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}
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},
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// Détection du type de document
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