feat(#112): aligner reprise front sur dossier complet GET/PATCH

Préremplit parents, enfants, motivation et fiche AM depuis reprise-dossier
et envoie le body PATCH complet (co-parent, enfants par id, champs pro AM).

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/lib/models/am_registration_data.dart

@@ -117,6 +117,16 @@ class AmRegistrationData extends ChangeNotifier {
     required String postalCode,
     required String city,
     String? existingPhotoUrl,
+    bool consentementPhoto = false,
+    DateTime? dateOfBirth,
+    String birthCity = '',
+    String birthCountry = '',
+    String nir = '',
+    String agrementNumber = '',
+    DateTime? agreementDate,
+    int? capacity,
+    int? placesAvailable,
+    String presentationText = '',
   }) {
     this.firstName = firstName;
     this.lastName = lastName;
@@ -130,16 +140,16 @@ class AmRegistrationData extends ChangeNotifier {
     photoPath = existingPhotoUrl;
     photoBytes = null;
     photoFilename = null;
-    photoConsent = false;
-    dateOfBirth = null;
-    birthCity = '';
-    birthCountry = '';
-    nir = '';
-    agrementNumber = '';
-    agreementDate = null;
-    capacity = null;
-    placesAvailable = null;
-    presentationText = '';
+    photoConsent = consentementPhoto;
+    dateOfBirth = dateOfBirth;
+    this.birthCity = birthCity;
+    this.birthCountry = birthCountry;
+    this.nir = nir;
+    this.agrementNumber = agrementNumber;
+    agreementDate = agreementDate;
+    this.capacity = capacity;
+    placesAvailable = placesAvailable;
+    this.presentationText = presentationText;
     cguAccepted = false;
     notifyListeners();
   }
@@ -187,8 +197,8 @@ class AmRegistrationData extends ChangeNotifier {
   bool get isRegistrationComplete =>
       isStep1Complete && isStep2Complete && isStep3Complete;
 
-  /// Reprise (#112) : champs renvoyés par PATCH reprise-resoumettre.
-  bool get isRepriseSubmitReady => isStep1Complete && cguAccepted;
+  /// Reprise (#112) : dossier AM complet renvoyé par PATCH reprise-resoumettre.
+  bool get isRepriseSubmitReady => isRegistrationComplete;
 
   @override
   String toString() {

frontend/lib/models/dossier_unifie.dart

@@ -184,6 +184,7 @@ class EnfantDossier {
   final String? dueDate;
   final String? photoUrl;
   final bool consentPhoto;
+  final bool estMultiple;
 
   EnfantDossier({
     required this.id,
@@ -195,6 +196,7 @@ class EnfantDossier {
     this.dueDate,
     this.photoUrl,
     this.consentPhoto = false,
+    this.estMultiple = false,
   });
 
   String get fullName => '${firstName ?? ''} ${lastName ?? ''}'.trim();
@@ -223,6 +225,8 @@ class EnfantDossier {
       photoUrl: resolvedPhoto,
       consentPhoto:
           json['consent_photo'] == true || json['consentPhoto'] == true,
+      estMultiple:
+          json['est_multiple'] == true || json['estMultiple'] == true,
     );
   }
 }

frontend/lib/models/reprise_dossier.dart

@@ -1,4 +1,6 @@
-/// Réponse GET /auth/reprise-dossier. Ticket #111, #112.
+import 'package:p_tits_pas/models/dossier_unifie.dart';
+
+/// Réponse GET /auth/reprise-dossier. Tickets #111, #112.
 class RepriseDossier {
   final String id;
   final String email;
@@ -14,6 +16,21 @@ class RepriseDossier {
   final String? genre;
   final String? situationFamiliale;
 
+  final List<ParentDossier> parents;
+  final List<EnfantDossier> enfants;
+  final String? texteMotivation;
+
+  final bool? consentementPhoto;
+  final String? dateNaissance;
+  final String? lieuNaissanceVille;
+  final String? lieuNaissancePays;
+  final String? numeroAgrement;
+  final String? nir;
+  final String? dateAgrement;
+  final int? nbMaxEnfants;
+  final int? placeDisponible;
+  final String? biographie;
+
   const RepriseDossier({
     required this.id,
     required this.email,
@@ -28,12 +45,44 @@ class RepriseDossier {
     this.photoUrl,
     this.genre,
     this.situationFamiliale,
+    this.parents = const [],
+    this.enfants = const [],
+    this.texteMotivation,
+    this.consentementPhoto,
+    this.dateNaissance,
+    this.lieuNaissanceVille,
+    this.lieuNaissancePays,
+    this.numeroAgrement,
+    this.nir,
+    this.dateAgrement,
+    this.nbMaxEnfants,
+    this.placeDisponible,
+    this.biographie,
   });
 
   bool get isParent => role == 'parent';
   bool get isAm => role == 'assistante_maternelle';
 
   factory RepriseDossier.fromJson(Map<String, dynamic> json) {
+    final parentsRaw = json['parents'];
+    final parentsList = parentsRaw is List
+        ? parentsRaw
+            .where((e) => e is Map)
+            .map((e) => ParentDossier.fromJson(Map<String, dynamic>.from(e as Map)))
+            .toList()
+        : <ParentDossier>[];
+
+    final enfantsRaw = json['enfants'];
+    final enfantsList = enfantsRaw is List
+        ? enfantsRaw
+            .where((e) => e is Map)
+            .map((e) => EnfantDossier.fromJson(Map<String, dynamic>.from(e as Map)))
+            .toList()
+        : <EnfantDossier>[];
+
+    final nbMax = json['nb_max_enfants'];
+    final places = json['place_disponible'];
+
     return RepriseDossier(
       id: json['id']?.toString() ?? '',
       email: json['email']?.toString() ?? '',
@@ -48,6 +97,21 @@ class RepriseDossier {
       photoUrl: json['photo_url']?.toString(),
       genre: json['genre']?.toString(),
       situationFamiliale: json['situation_familiale']?.toString(),
+      parents: parentsList,
+      enfants: enfantsList,
+      texteMotivation: (json['texte_motivation'] ?? json['presentation_dossier'])
+          ?.toString(),
+      consentementPhoto: json['consentement_photo'] == true,
+      dateNaissance: json['date_naissance']?.toString(),
+      lieuNaissanceVille: json['lieu_naissance_ville']?.toString(),
+      lieuNaissancePays: json['lieu_naissance_pays']?.toString(),
+      numeroAgrement: json['numero_agrement']?.toString(),
+      nir: json['nir']?.toString(),
+      dateAgrement: json['date_agrement']?.toString(),
+      nbMaxEnfants: nbMax is int ? nbMax : (nbMax is num ? nbMax.toInt() : null),
+      placeDisponible:
+          places is int ? places : (places is num ? places.toInt() : null),
+      biographie: json['biographie']?.toString(),
     );
   }
 }

frontend/lib/models/user_registration_data.dart

@@ -43,6 +43,10 @@ class ChildData {
   /// Octets de la photo (fiable à l’envoi API ; [imageFile] peut être absent sur le web).
   Uint8List? imageBytes;
   CardColorVertical cardColor; // Nouveau champ pour la couleur de la carte
+  /// UUID enfant en base (reprise #112) — requis pour PATCH reprise-resoumettre.
+  String? repriseChildId;
+  /// Photo déjà stockée (affichage reprise sans re-upload).
+  String? existingPhotoUrl;
 
   ChildData({
     this.firstName = '',
@@ -55,6 +59,8 @@ class ChildData {
     this.imageFile,
     this.imageBytes,
     required this.cardColor, // Rendre requis dans le constructeur
+    this.repriseChildId,
+    this.existingPhotoUrl,
   });
 
   ChildData copyWith({
@@ -68,6 +74,8 @@ class ChildData {
     Object? imageFile = _unsetImage,
     Object? imageBytes = _unsetImageBytes,
     CardColorVertical? cardColor,
+    String? repriseChildId,
+    String? existingPhotoUrl,
   }) {
     return ChildData(
       firstName: firstName ?? this.firstName,
@@ -81,6 +89,8 @@ class ChildData {
       imageBytes:
           identical(imageBytes, _unsetImageBytes) ? this.imageBytes : imageBytes as Uint8List?,
       cardColor: cardColor ?? this.cardColor,
+      repriseChildId: repriseChildId ?? this.repriseChildId,
+      existingPhotoUrl: existingPhotoUrl ?? this.existingPhotoUrl,
     );
   }
 }
@@ -180,27 +190,17 @@ class UserRegistrationData extends ChangeNotifier {
 
   /// Reprise après refus (#112) : réinitialise le flux parent avec les données dossier.
   void resetForReprise({
-    required String firstName,
-    required String lastName,
-    required String phone,
-    required String email,
-    required String address,
-    required String postalCode,
-    required String city,
+    required ParentData parent1Data,
+    ParentData? parent2Data,
+    List<ChildData>? childrenData,
+    String motivation = '',
   }) {
-    parent1 = ParentData(
-      firstName: firstName,
-      lastName: lastName,
-      phone: phone,
-      email: email,
-      address: address,
-      postalCode: postalCode,
-      city: city,
-      password: '',
-    );
-    parent2 = null;
-    children.clear();
-    motivationText = '';
+    parent1 = parent1Data;
+    parent2 = parent2Data;
+    children
+      ..clear()
+      ..addAll(childrenData ?? const []);
+    motivationText = motivation;
     cguAccepted = false;
     bankDetails = null;
     attestationCafNumber = '';
@@ -208,11 +208,16 @@ class UserRegistrationData extends ChangeNotifier {
     notifyListeners();
   }
 
-  /// Reprise (#112) : coordonnées parent principal + CGU.
+  /// Reprise (#112) : coordonnées + enfants connus + CGU.
   bool get isRepriseSubmitReady =>
       parent1.firstName.isNotEmpty &&
       parent1.lastName.isNotEmpty &&
       parent1.email.isNotEmpty &&
+      children.isNotEmpty &&
+      children.every(
+        (c) =>
+            c.repriseChildId != null && c.repriseChildId!.trim().isNotEmpty,
+      ) &&
       cguAccepted;
 
   // Méthode pour vérifier si toutes les données requises sont là (simplifié)