fix(#157): texte détach + compteur enfants foyer (interim).

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

backend/src/routes/enfants/dto/create_enfants.dto.ts

@@ -1,4 +1,5 @@
 import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
 import {
     IsBoolean,
     IsDateString,
@@ -12,6 +13,17 @@ import {
 } from 'class-validator';
 import { GenreType, StatutEnfantType } from 'src/entities/children.entity';
 
+/** Multipart envoie des strings ("true"/"false") — JSON envoie déjà des booleans. */
+function toBoolean({ value }: { value: unknown }): boolean | unknown {
+    if (typeof value === 'boolean') return value;
+    if (typeof value === 'string') {
+        const v = value.trim().toLowerCase();
+        if (v === 'true' || v === '1') return true;
+        if (v === 'false' || v === '0' || v === '') return false;
+    }
+    return value;
+}
+
 export class CreateEnfantsDto {
     @ApiProperty({ enum: StatutEnfantType, example: StatutEnfantType.SANS_GARDE })
     @IsEnum(StatutEnfantType)
@@ -53,6 +65,7 @@ export class CreateEnfantsDto {
     photo_url?: string;
 
     @ApiProperty({ default: false })
+    @Transform(toBoolean)
     @IsBoolean()
     consent_photo: boolean;
 
@@ -62,6 +75,7 @@ export class CreateEnfantsDto {
     consent_photo_at?: string;
 
     @ApiProperty({ default: false })
+    @Transform(toBoolean)
     @IsBoolean()
     is_multiple: boolean;
 

backend/src/routes/enfants/enfants.controller.ts

@@ -58,8 +58,8 @@ const photoMulterOptions = {
 };
 
 /**
- * Multer uniquement si Content-Type multipart (parcours parent).
- * Les appels staff JSON (#132) passent sans interceptor fichier.
+ * Multer uniquement si Content-Type multipart (parent ou staff + photo).
+ * JSON sans photo (#132) passe sans interceptor fichier.
  */
 @Injectable()
 class OptionalEnfantPhotoInterceptor implements NestInterceptor {
@@ -96,10 +96,15 @@ export class EnfantsController {
   @ApiOperation({
     summary: 'Créer un enfant',
     description:
-      'PARENT : multipart éventuel, rattache au compte connecté. Staff : JSON + parent_user_id (foyer). Ticket #132.',
+      'PARENT : multipart éventuel, rattache au compte connecté. ' +
+      'Staff : parent_user_id obligatoire ; JSON sans photo OK ; avec photo → multipart (champ fichier `photo`, max 5 Mo). Ticket #132.',
   })
   @ApiConsumes('application/json', 'multipart/form-data')
-  @ApiBody({ type: CreateEnfantsDto })
+  @ApiBody({
+    description:
+      'Champs métier (+ parent_user_id côté staff). Fichier optionnel `photo` en multipart.',
+    type: CreateEnfantsDto,
+  })
   @UseInterceptors(OptionalEnfantPhotoInterceptor)
   create(
     @Body() dto: CreateEnfantsDto,

backend/src/routes/enfants/enfants.service.ts

@@ -37,7 +37,8 @@ export class EnfantsService {
   /**
    * Création d'un enfant.
    * - PARENT : rattache au parent connecté (multipart photo optionnel).
-   * - Staff : JSON + `parent_user_id` obligatoire (foyer existant). Ticket #132.
+   * - Staff : `parent_user_id` obligatoire ; JSON sans photo OK ;
+   *   avec photo → multipart (même stockage `/uploads/photos/...`). Ticket #132.
    */
   async create(
     dto: CreateEnfantsDto,
@@ -67,7 +68,7 @@ export class EnfantsService {
     });
     if (exist) throw new ConflictException('Cet enfant existe déjà');
 
-    // Gestion de la photo uploadée (parcours parent multipart)
+    // Gestion de la photo uploadée (multipart parent ou staff)
     let photoUrl = dto.photo_url;
     let consentAt: Date | undefined;
     if (photoFile) {
@@ -145,16 +146,27 @@ export class EnfantsService {
     throw new ForbiddenException('Accès interdit');
   }
 
-  // Liste des enfants (admin/gestionnaire)
-  async findAll(): Promise<Children[]> {
-    return this.childrenRepository.find({
-      relations: ['parentLinks', 'parentLinks.parent', 'parentLinks.parent.user'],
-      order: { last_name: 'ASC', first_name: 'ASC' },
+  /** Flag API #157 — true si aucun lien enfants_parents. */
+  private withSansResponsable(child: Children): Children & { sans_responsable: boolean } {
+    return Object.assign(child, {
+      sans_responsable: !child.parentLinks || child.parentLinks.length === 0,
     });
   }
 
+  // Liste des enfants (admin/gestionnaire) — inclut les orphelins (parentLinks: [])
+  async findAll(): Promise<Array<Children & { sans_responsable: boolean }>> {
+    const children = await this.childrenRepository.find({
+      relations: ['parentLinks', 'parentLinks.parent', 'parentLinks.parent.user'],
+      order: { last_name: 'ASC', first_name: 'ASC' },
+    });
+    return children.map((c) => this.withSansResponsable(c));
+  }
+
   // Récupérer un enfant par id
-  async findOne(id: string, currentUser: Users): Promise<Children> {
+  async findOne(
+    id: string,
+    currentUser: Users,
+  ): Promise<Children & { sans_responsable: boolean }> {
     const child = await this.childrenRepository.findOne({
       where: { id },
       relations: ['parentLinks', 'parentLinks.parent', 'parentLinks.parent.user'],
@@ -171,14 +183,14 @@ export class EnfantsService {
       case RoleType.ADMINISTRATEUR:
       case RoleType.SUPER_ADMIN:
       case RoleType.GESTIONNAIRE:
-        // accès complet
+        // accès complet (y compris orphelins)
         break;
 
       default:
         throw new ForbiddenException('Accès interdit');
     }
 
-    return child;
+    return this.withSansResponsable(child);
   }
 
 

backend/src/routes/parents/parents.service.ts

@@ -138,7 +138,9 @@ export class ParentsService {
   }
 
   /**
-   * Détacher un enfant d'un parent sans supprimer l'enfant. Ticket #115 / doc 28 §6.2.
+   * Détacher un enfant d'un parent sans supprimer l'enfant.
+   * Autorise le détachement du dernier responsable (#157) — l'enfant reste listé
+   * via GET /enfants avec parentLinks vides (alerte front).
    */
   async detachEnfant(parentUserId: string, enfantId: string): Promise<Parents> {
     await this.findOne(parentUserId);
@@ -150,11 +152,6 @@ export class ParentsService {
       throw new NotFoundException('Lien parent-enfant introuvable');
     }
 
-    const totalLinks = await this.parentsChildrenRepository.count({ where: { enfantId } });
-    if (totalLinks <= 1) {
-      throw new BadRequestException('Un enfant doit rester rattaché à au moins un responsable');
-    }
-
     await this.parentsChildrenRepository.delete({ parentId: parentUserId, enfantId });
     return this.findOne(parentUserId);
   }

frontend/lib/models/enfant_admin_model.dart

@@ -14,6 +14,8 @@ class EnfantAdminModel {
   final bool consentPhoto;
   final bool isMultiple;
   final List<EnfantParentLink> parentLinks;
+  /// Flag API #157 (sinon déduit de [parentLinks]).
+  final bool? sansResponsable;
 
   EnfantAdminModel({
     required this.id,
@@ -27,6 +29,7 @@ class EnfantAdminModel {
     this.consentPhoto = false,
     this.isMultiple = false,
     this.parentLinks = const [],
+    this.sansResponsable,
   });
 
   String get fullName {
@@ -37,6 +40,12 @@ class EnfantAdminModel {
     return '$fn $ln';
   }
 
+  /// Aucun lien parent valide — ticket #157.
+  bool get hasNoResponsable {
+    if (sansResponsable != null) return sansResponsable!;
+    return !parentLinks.any((l) => l.parentId.trim().isNotEmpty);
+  }
+
   EnfantAdminModel copyWith({
     String? id,
     String? firstName,
@@ -49,6 +58,7 @@ class EnfantAdminModel {
     bool? consentPhoto,
     bool? isMultiple,
     List<EnfantParentLink>? parentLinks,
+    bool? sansResponsable,
   }) {
     return EnfantAdminModel(
       id: id ?? this.id,
@@ -62,6 +72,7 @@ class EnfantAdminModel {
       consentPhoto: consentPhoto ?? this.consentPhoto,
       isMultiple: isMultiple ?? this.isMultiple,
       parentLinks: parentLinks ?? this.parentLinks,
+      sansResponsable: sansResponsable ?? this.sansResponsable,
     );
   }
 
@@ -81,6 +92,13 @@ class EnfantAdminModel {
         _parseBool(json['consentement_photo']) ||
         _parseBool(json['consentPhoto']);
 
+    bool? sansResponsable;
+    if (json.containsKey('sans_responsable') ||
+        json.containsKey('sansResponsable')) {
+      sansResponsable = _parseBool(json['sans_responsable']) ||
+          _parseBool(json['sansResponsable']);
+    }
+
     return EnfantAdminModel(
       id: (json['id'] ?? '').toString(),
       firstName: json['first_name'] as String? ?? json['prenom'] as String?,
@@ -96,6 +114,7 @@ class EnfantAdminModel {
       isMultiple: _parseBool(json['is_multiple']) ||
           _parseBool(json['est_multiple']),
       parentLinks: links,
+      sansResponsable: sansResponsable,
     );
   }
 

frontend/lib/models/parent_model.dart

@@ -62,4 +62,56 @@ class ParentModel {
 
     return children;
   }
+
+  /// Nombre d’enfants distincts du foyer (ce parent + co-parent / même dossier).
+  /// Évite Claire=7 / Thomas=6 quand un lien n’est que sur un des deux (#157).
+  static int foyerChildrenCount(
+    ParentModel parent,
+    List<ParentModel> allParents,
+  ) {
+    final memberIds = <String>{parent.user.id};
+    final coId = parent.coParent?.id.trim();
+    if (coId != null && coId.isNotEmpty) memberIds.add(coId);
+
+    final dossier = (parent.user.numeroDossier ?? '').trim();
+
+    for (final other in allParents) {
+      if (memberIds.contains(other.user.id)) continue;
+      final otherCo = other.coParent?.id.trim();
+      if (otherCo != null && memberIds.contains(otherCo)) {
+        memberIds.add(other.user.id);
+        continue;
+      }
+      if (dossier.isNotEmpty &&
+          (other.user.numeroDossier ?? '').trim() == dossier) {
+        memberIds.add(other.user.id);
+        final oc = other.coParent?.id.trim();
+        if (oc != null && oc.isNotEmpty) memberIds.add(oc);
+      }
+    }
+
+    final childIds = <String>{};
+    for (final p in allParents) {
+      if (!memberIds.contains(p.user.id)) continue;
+      for (final c in p.children) {
+        final id = c.id.trim();
+        if (id.isNotEmpty) childIds.add(id);
+      }
+      // Repli si la liste enfants n’est pas hydratée.
+      if (p.children.isEmpty && p.childrenCount > 0) {
+        // Impossible de dédupliquer sans IDs : on prend au moins ce compte.
+        // (évite d’afficher 0 si l’API n’envoie que childrenCount)
+      }
+    }
+
+    if (childIds.isNotEmpty) return childIds.length;
+
+    var maxCount = 0;
+    for (final p in allParents) {
+      if (!memberIds.contains(p.user.id)) continue;
+      final n = p.children.isNotEmpty ? p.children.length : p.childrenCount;
+      if (n > maxCount) maxCount = n;
+    }
+    return maxCount;
+  }
 }

frontend/lib/utils/date_display_utils.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/services.dart';
 import 'package:intl/intl.dart';
 import 'package:p_tits_pas/utils/enfant_status_utils.dart';
 
@@ -11,10 +12,50 @@ String formatIsoDateFr(String? s, {String ifEmpty = '–'}) {
   }
 }
 
-/// Convertit `dd/MM/yyyy` (ou ISO) en `yyyy-MM-dd` pour l'API.
+/// Affiche une date ISO en saisie guidée `jj / mm / aaaa`.
+String formatIsoDateFrInput(String? s, {String ifEmpty = ''}) {
+  if (s == null || s.trim().isEmpty) return ifEmpty;
+  try {
+    final dt = DateTime.parse(s.trim());
+    return formatFrenchDateDigits(
+      DateFormat('ddMMyyyy').format(dt),
+    );
+  } catch (_) {
+    return formatFrenchDateDigits(s.replaceAll(RegExp(r'\D'), ''));
+  }
+}
+
+/// Formate jusqu’à 8 chiffres en `jj / mm / aaaa`.
+String formatFrenchDateDigits(String digits) {
+  final d = digits.replaceAll(RegExp(r'\D'), '');
+  final limited = d.length > 8 ? d.substring(0, 8) : d;
+  final buf = StringBuffer();
+  for (var i = 0; i < limited.length; i++) {
+    if (i == 2 || i == 4) buf.write(' / ');
+    buf.write(limited[i]);
+  }
+  return buf.toString();
+}
+
+/// Convertit `dd/MM/yyyy`, `dd / MM / yyyy`, 8 chiffres ou ISO en `yyyy-MM-dd`.
 String? parseFrDateToIso(String text) {
   final t = text.trim();
   if (t.isEmpty) return null;
+
+  final digits = t.replaceAll(RegExp(r'\D'), '');
+  if (digits.length == 8) {
+    final dd = digits.substring(0, 2);
+    final mm = digits.substring(2, 4);
+    final yyyy = digits.substring(4, 8);
+    try {
+      return DateFormat('dd/MM/yyyy')
+          .parseStrict('$dd/$mm/$yyyy')
+          .toIso8601String()
+          .split('T')
+          .first;
+    } catch (_) {}
+  }
+
   try {
     return DateFormat('dd/MM/yyyy')
         .parseStrict(t)
@@ -96,3 +137,43 @@ String formatChildAgeLabel({
     return 'Né le ${formatIsoDateFr(birthDate)}';
   }
 }
+
+/// Saisie date FR : 8 chiffres → `jj / mm / aaaa`.
+class FrenchDateInputFormatter extends TextInputFormatter {
+  const FrenchDateInputFormatter();
+
+  @override
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
+    final digits = newValue.text.replaceAll(RegExp(r'\D'), '');
+    final limited = digits.length > 8 ? digits.substring(0, 8) : digits;
+    final formatted = formatFrenchDateDigits(limited);
+
+    final digitsBeforeCursor = newValue.text
+        .substring(0, newValue.selection.start.clamp(0, newValue.text.length))
+        .replaceAll(RegExp(r'\D'), '')
+        .length
+        .clamp(0, limited.length);
+
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(
+        offset: _cursorOffset(formatted, digitsBeforeCursor),
+      ),
+    );
+  }
+
+  static int _cursorOffset(String formatted, int digitsBeforeCursor) {
+    if (digitsBeforeCursor <= 0) return 0;
+    var seen = 0;
+    for (var i = 0; i < formatted.length; i++) {
+      if (RegExp(r'\d').hasMatch(formatted[i])) {
+        seen++;
+        if (seen >= digitsBeforeCursor) return i + 1;
+      }
+    }
+    return formatted.length;
+  }
+}

frontend/lib/utils/enfant_vigilance.dart

@@ -0,0 +1,10 @@
+import 'package:p_tits_pas/models/enfant_admin_model.dart';
+
+/// Enfant sans lien parent (orphelins d’affiliation) — ticket #157.
+bool enfantHasNoResponsable(EnfantAdminModel enfant) => enfant.hasNoResponsable;
+
+/// Message vigilance liste Enfants (même usage que [amPlacesVigilanceMessage]).
+String? enfantSansResponsableVigilanceMessage(EnfantAdminModel enfant) {
+  if (!enfantHasNoResponsable(enfant)) return null;
+  return 'Aucun responsable rattaché — à rattacher à un foyer';
+}

frontend/lib/utils/name_format_utils.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/services.dart';
+
 /// Formatage affichage prénom / nom (capitalisation par mot et segments après `-` ou `'`).
 
 String formatPersonNameCase(String raw) {
@@ -9,6 +11,22 @@ String formatPersonNameCase(String raw) {
   return words.map(_capitalizeComposedWord).join(' ');
 }
 
+/// Variante saisie live : pas de majuscule tant que le mot n’a qu’une lettre ;
+/// dès la 2ᵉ lettre, capitalisation comme [formatPersonNameCase].
+String formatPersonNameCaseTyping(String raw) {
+  if (raw.isEmpty) return raw;
+  final trailingMatch = RegExp(r'(\s*)$').firstMatch(raw);
+  final trailing = trailingMatch?.group(1) ?? '';
+  final core = raw.substring(0, raw.length - trailing.length);
+  if (core.isEmpty) return raw;
+  final words = core.split(RegExp(r'\s+'));
+  final formatted = words.map((w) {
+    if (w.length < 2) return w;
+    return _capitalizeComposedWord(w);
+  }).join(' ');
+  return formatted + trailing;
+}
+
 String _capitalizeComposedWord(String word) {
   if (word.isEmpty) {
     return word;
@@ -30,3 +48,26 @@ String _capitalizeComposedWord(String word) {
   }
   return buffer.toString();
 }
+
+/// Formateur de saisie prénom / nom (capitalisation progressive).
+class PersonNameInputFormatter extends TextInputFormatter {
+  const PersonNameInputFormatter();
+
+  @override
+  TextEditingValue formatEditUpdate(
+    TextEditingValue oldValue,
+    TextEditingValue newValue,
+  ) {
+    final formatted = formatPersonNameCaseTyping(newValue.text);
+    if (formatted == newValue.text) return newValue;
+
+    final sel = newValue.selection;
+    final offset = sel.isValid
+        ? sel.baseOffset.clamp(0, formatted.length)
+        : formatted.length;
+    return TextEditingValue(
+      text: formatted,
+      selection: TextSelection.collapsed(offset: offset),
+    );
+  }
+}

frontend/lib/widgets/admin/common/admin_am_edit_modal.dart

@@ -446,8 +446,7 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
       builder: (ctx) => AlertDialog(
         title: const Text('Détacher l\'enfant'),
         content: Text(
-          'Retirer ${child.fullName} de la fiche de cette assistante ?\n'
-          '(L\'enfant ne sera pas supprimé.)',
+          'Retirer ${child.fullName} de la fiche de cette assistante ?',
         ),
         actions: [
           TextButton(

frontend/lib/widgets/admin/common/admin_child_detail_modal.dart

@@ -1,6 +1,5 @@
-import 'dart:typed_data';
-
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:image_picker/image_picker.dart';
 import 'package:p_tits_pas/models/assistante_maternelle_model.dart';
 import 'package:p_tits_pas/models/enfant_admin_model.dart';
@@ -9,6 +8,7 @@ import 'package:p_tits_pas/services/auth_service.dart';
 import 'package:p_tits_pas/services/user_service.dart';
 import 'package:p_tits_pas/utils/date_display_utils.dart';
 import 'package:p_tits_pas/utils/enfant_status_utils.dart';
+import 'package:p_tits_pas/utils/name_format_utils.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_am_edit_modal.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_am_photo_frame.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_parent_edit_modal.dart';
@@ -50,7 +50,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   late final TextEditingController _birthCtrl;
   late final TextEditingController _dueCtrl;
   late String _status;
-  late String _gender;
+  late String? _gender;
   late bool _consentPhoto;
   late bool _isMultiple;
   bool _dirty = false;
@@ -65,6 +65,9 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   /// Famille choisie en mode création (#132).
   AdminFamilleFoyer? _selectedFamily;
 
+  /// Liens parents locaux (édition) — mis à jour après rattachement foyer (#157).
+  List<EnfantParentLink>? _localParentLinks;
+
   /// Photo locale (création) — upload multipart `photo`.
   Uint8List? _photoBytes;
   String? _photoFilename;
@@ -99,6 +102,22 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
 
   bool get _busy => _saving || _deleting;
 
+  /// Création : tous les champs sauf photo / consentement ; édition : au moins une modif.
+  bool get _canSubmit {
+    if (_busy) return false;
+    if (widget.isCreating) return _isCreateFormComplete;
+    return _dirty;
+  }
+
+  bool get _isCreateFormComplete {
+    if (_selectedFamily == null) return false;
+    if (formatPersonNameCase(_prenomCtrl.text).isEmpty) return false;
+    if (formatPersonNameCase(_nomCtrl.text).isEmpty) return false;
+    if (_dateToIso(_activeDateCtrl.text) == null) return false;
+    if (_gender == null || !_availableGenders.contains(_gender)) return false;
+    return true;
+  }
+
   @override
   void initState() {
     super.initState();
@@ -106,34 +125,61 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     _prenomCtrl = TextEditingController(text: e?.firstName ?? '');
     _nomCtrl = TextEditingController(text: e?.lastName ?? '');
     _birthCtrl = TextEditingController(
-      text: formatIsoDateFr(e?.birthDate, ifEmpty: ''),
+      text: formatIsoDateFrInput(e?.birthDate, ifEmpty: ''),
     );
     _dueCtrl = TextEditingController(
-      text: formatIsoDateFr(e?.dueDate, ifEmpty: ''),
+      text: formatIsoDateFrInput(e?.dueDate, ifEmpty: ''),
     );
     _status = normalizeEnfantStatus(e?.status);
     if (!enfantStatusValues.contains(_status)) {
       _status = 'sans_garde';
     }
-    _gender = _normalizeGender(e?.gender, allowUnknown: _isUnborn);
+    if (widget.isCreating) {
+      _gender = null;
+    } else {
+      _gender = _normalizeGender(e?.gender, allowUnknown: _isUnborn);
+    }
     _consentPhoto = e?.consentPhoto ?? false;
     _isMultiple = e?.isMultiple ?? false;
-    for (final c in [_prenomCtrl, _nomCtrl, _birthCtrl, _dueCtrl]) {
-      c.addListener(_markDirty);
+    for (final c in [_prenomCtrl, _nomCtrl]) {
+      c.addListener(_onNameChanged);
+    }
+    for (final c in [_birthCtrl, _dueCtrl]) {
+      c.addListener(_onDateChanged);
     }
-    _prenomCtrl.addListener(_onNameChanged);
-    _nomCtrl.addListener(_onNameChanged);
     _loadCurrentUserRole();
     if (widget.isCreating) {
       _loadingAm = false;
       _dirty = true;
     } else {
+      _prenomCtrl.addListener(_markDirty);
+      _nomCtrl.addListener(_markDirty);
       _loadLinkedAm();
     }
   }
 
   void _onNameChanged() => setState(() {});
 
+  void _onDateChanged() {
+    setState(() => _dirty = true);
+  }
+
+  /// Date prévisionnelle strictement avant aujourd’hui (statut à naître).
+  bool get _dueDateInPast {
+    if (!_isUnborn) return false;
+    final iso = _dateToIso(_dueCtrl.text);
+    if (iso == null) return false;
+    try {
+      final due = DateTime.parse(iso);
+      final now = DateTime.now();
+      final dueDay = DateTime(due.year, due.month, due.day);
+      final today = DateTime(now.year, now.month, now.day);
+      return dueDay.isBefore(today);
+    } catch (_) {
+      return false;
+    }
+  }
+
   Future<void> _loadLinkedAm() async {
     if (widget.isCreating) {
       setState(() => _loadingAm = false);
@@ -191,8 +237,8 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   }
 
   void _coerceGenderForStatus() {
-    if (!_availableGenders.contains(_gender)) {
-      _gender = 'H';
+    if (_gender != null && !_availableGenders.contains(_gender)) {
+      _gender = null;
     }
   }
 
@@ -219,10 +265,14 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   }
 
   List<EnfantParentLink> get _parentLinks =>
-      (widget.enfant?.parentLinks ?? const <EnfantParentLink>[])
+      (_localParentLinks ??
+              widget.enfant?.parentLinks ??
+              const <EnfantParentLink>[])
           .where((l) => l.parentId.trim().isNotEmpty)
           .toList();
 
+  bool get _isOrphan => !widget.isCreating && _parentLinks.isEmpty;
+
   Future<void> _openParent(EnfantParentLink link) async {
     if (_busy) return;
     final id = link.parentId.trim();
@@ -321,8 +371,8 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
       await UserService.updateEnfant(
         enfantId: enfantId,
         body: {
-          'first_name': _prenomCtrl.text.trim(),
-          'last_name': _nomCtrl.text.trim(),
+          'first_name': formatPersonNameCase(_prenomCtrl.text),
+          'last_name': formatPersonNameCase(_nomCtrl.text),
           'status': _status,
           'gender': _gender,
           if (_isUnborn)
@@ -363,8 +413,8 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
       );
       return;
     }
-    final prenom = _prenomCtrl.text.trim();
-    final nom = _nomCtrl.text.trim();
+    final prenom = formatPersonNameCase(_prenomCtrl.text);
+    final nom = formatPersonNameCase(_nomCtrl.text);
     if (prenom.isEmpty || nom.isEmpty) {
       ScaffoldMessenger.of(context).showSnackBar(
         const SnackBar(content: Text('Prénom et nom sont obligatoires')),
@@ -400,11 +450,13 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
           'last_name': nom,
           'status': _status,
           'gender': _gender,
-          if (_isUnborn)
+          if (_isUnborn) ...{
             if (_dateToIso(_dueCtrl.text) != null)
-              'due_date': _dateToIso(_dueCtrl.text)
-            else if (_dateToIso(_birthCtrl.text) != null)
+              'due_date': _dateToIso(_dueCtrl.text),
+          } else ...{
+            if (_dateToIso(_birthCtrl.text) != null)
               'birth_date': _dateToIso(_birthCtrl.text),
+          },
           'consent_photo': _consentPhoto,
           'is_multiple': _isMultiple,
         },
@@ -535,6 +587,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
         if (!enfantStatusValues.contains(_status)) {
           _status = 'sans_garde';
         }
+        _localParentLinks = enfant.parentLinks;
         _coerceGenderForStatus();
       });
     } catch (_) {
@@ -620,70 +673,145 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
     });
   }
 
-  InputDecoration _inputDecoration({String? hint}) {
-    return ValidationFieldDecoration.input(hint: hint).copyWith(
+  /// Conserve la date saisie en basculant naissance ↔ prévisionnelle.
+  void _preserveDateOnStatusChange(String from, String to) {
+    final becomingUnborn = to == 'a_naitre' && from != 'a_naitre';
+    final leavingUnborn = from == 'a_naitre' && to != 'a_naitre';
+    if (becomingUnborn) {
+      if (_dueCtrl.text.trim().isEmpty &&
+          _birthCtrl.text.trim().isNotEmpty) {
+        _dueCtrl.text = _birthCtrl.text;
+      }
+    } else if (leavingUnborn) {
+      if (_birthCtrl.text.trim().isEmpty &&
+          _dueCtrl.text.trim().isNotEmpty) {
+        _birthCtrl.text = _dueCtrl.text;
+      }
+    }
+  }
+
+  InputDecoration _inputDecoration({String? hint, bool error = false}) {
+    final base = ValidationFieldDecoration.input(hint: hint).copyWith(
       isDense: false,
       contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 14),
     );
+    if (!error) return base;
+    final border = OutlineInputBorder(
+      borderRadius: BorderRadius.circular(6),
+      borderSide: BorderSide(color: Colors.red.shade400),
+    );
+    return base.copyWith(
+      fillColor: Colors.red.shade50,
+      enabledBorder: border,
+      focusedBorder: border,
+      border: border,
+    );
   }
 
   Widget _dropdownField({
     Key? key,
-    required String value,
+    required String? value,
     required List<MapEntry<String, String>> items,
     required ValueChanged<String> onChanged,
+    String? hint,
   }) {
     final safeValue =
-        items.any((e) => e.key == value) ? value : items.first.key;
+        value != null && items.any((e) => e.key == value) ? value : null;
     return SizedBox(
       height: _fieldHeight,
       child: DropdownButtonFormField<String>(
         key: key,
         value: safeValue,
+        hint: hint != null
+            ? Text(hint, style: TextStyle(color: Colors.grey.shade600))
+            : null,
         isExpanded: true,
         decoration: _inputDecoration(),
-      items: items
-          .map((e) => DropdownMenuItem(value: e.key, child: Text(e.value)))
-          .toList(),
-      onChanged: _busy ? null : (v) {
-        if (v != null) onChanged(v);
-      },
+        items: items
+            .map((e) => DropdownMenuItem(value: e.key, child: Text(e.value)))
+            .toList(),
+        onChanged: _busy
+            ? null
+            : (v) {
+                if (v != null) onChanged(v);
+              },
       ),
     );
   }
 
-  Widget _textField(TextEditingController controller, {String? hint, Key? key}) {
+  Widget _textField(
+    TextEditingController controller, {
+    String? hint,
+    Key? key,
+    TextInputType? keyboardType,
+    List<TextInputFormatter>? inputFormatters,
+    bool error = false,
+    Widget? suffixIcon,
+  }) {
     return SizedBox(
       height: _fieldHeight,
       child: TextField(
         key: key,
         controller: controller,
+        keyboardType: keyboardType,
+        inputFormatters: inputFormatters,
         textAlignVertical: TextAlignVertical.center,
-        style: const TextStyle(color: Colors.black87, fontSize: 14),
-        decoration: _inputDecoration(hint: hint),
+        style: TextStyle(
+          color: error ? Colors.red.shade800 : Colors.black87,
+          fontSize: 14,
+        ),
+        decoration: _inputDecoration(
+          hint: hint,
+          error: error,
+        ).copyWith(suffixIcon: suffixIcon),
       ),
     );
   }
 
+  Widget _dateField() {
+    final past = _dueDateInPast;
+    return _textField(
+      _activeDateCtrl,
+      hint: 'jj / mm / aaaa',
+      key: ValueKey(_status),
+      keyboardType: TextInputType.number,
+      inputFormatters: const [FrenchDateInputFormatter()],
+      error: past,
+      suffixIcon: past
+          ? Tooltip(
+              message:
+                  'Date prévisionnelle antérieure à aujourd’hui',
+              child: Icon(
+                Icons.info_outline,
+                size: 20,
+                color: Colors.red.shade700,
+              ),
+            )
+          : null,
+    );
+  }
+
   Widget _fieldsGrid() {
     return ValidationEditableSection(
       rowLayout: _fieldsRowLayout,
       fields: [
         ValidationLabeledField(
           label: 'Prénom',
-          field: _textField(_prenomCtrl),
+          field: _textField(
+            _prenomCtrl,
+            inputFormatters: const [PersonNameInputFormatter()],
+          ),
         ),
         ValidationLabeledField(
           label: 'Nom',
-          field: _textField(_nomCtrl),
+          field: _textField(
+            _nomCtrl,
+            inputFormatters: const [PersonNameInputFormatter()],
+          ),
         ),
         ValidationLabeledField(
           label: _dateFieldLabel,
-          field: _textField(
-            _activeDateCtrl,
-            hint: 'jj/mm/aaaa',
-            key: ValueKey(_status),
-          ),
+          field: _dateField(),
         ),
         ValidationLabeledField(
           label: 'Statut',
@@ -699,6 +827,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
                 .toList(),
             onChanged: (v) {
               setState(() {
+                _preserveDateOnStatusChange(_status, v);
                 _status = v;
                 _coerceGenderForStatus();
                 _dirty = true;
@@ -714,6 +843,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
           field: _dropdownField(
             key: ValueKey('genre-$_status'),
             value: _gender,
+            hint: 'Veuillez sélectionner le genre',
             items: _availableGenders
                 .map((g) => MapEntry(g, _genderLabel(g)))
                 .toList(),
@@ -838,7 +968,9 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
                       padding: const EdgeInsets.only(top: 16),
                       child: Align(
                         alignment: Alignment.bottomCenter,
-                        child: _placementBlock(),
+                        child: SingleChildScrollView(
+                          child: _placementBlock(),
+                        ),
                       ),
                     ),
                   ),
@@ -1088,7 +1220,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
   }
 
   String get _placementTitle {
-    if (widget.isCreating) return 'Famille / dossier';
+    if (widget.isCreating) return 'Sélection du dossier de la famille';
     return _isScolarise ? 'Scolarisation' : 'Assistante maternelle';
   }
 
@@ -1097,6 +1229,24 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
       mainAxisSize: MainAxisSize.min,
       crossAxisAlignment: CrossAxisAlignment.stretch,
       children: [
+        if (_isOrphan) ...[
+          Text(
+            'Sélection du dossier de la famille',
+            style: TextStyle(
+              fontSize: 14,
+              fontWeight: FontWeight.w600,
+              color: Colors.red.shade800,
+            ),
+          ),
+          const SizedBox(height: 4),
+          Text(
+            'Aucun responsable rattaché — choisissez un foyer',
+            style: TextStyle(fontSize: 12, color: Colors.red.shade700),
+          ),
+          const SizedBox(height: 8),
+          _familyPlacementSection(),
+          const SizedBox(height: 16),
+        ],
         Text(
           _placementTitle,
           style: TextStyle(
@@ -1118,10 +1268,45 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
       title: 'Choisir une famille',
     );
     if (selected == null || !mounted) return;
-    setState(() {
-      _selectedFamily = selected;
-      _dirty = true;
-    });
+
+    if (widget.isCreating) {
+      setState(() {
+        _selectedFamily = selected;
+        _dirty = true;
+      });
+      return;
+    }
+
+    // Édition orphelin (#157) : rattache immédiatement au foyer.
+    final enfantId = widget.enfant?.id;
+    if (enfantId == null || enfantId.isEmpty) return;
+
+    setState(() => _saving = true);
+    try {
+      for (final parentId in selected.parentUserIds) {
+        await UserService.attachEnfantToParent(
+          parentUserId: parentId,
+          enfantId: enfantId,
+        );
+      }
+      final refreshed = await UserService.getEnfant(enfantId);
+      if (!mounted) return;
+      setState(() {
+        _localParentLinks = refreshed.parentLinks;
+        _selectedFamily = selected;
+        _saving = false;
+      });
+      widget.onSaved?.call();
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(content: Text('Enfant rattaché au foyer')),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _saving = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(content: Text(e.toString().replaceFirst('Exception: ', ''))),
+      );
+    }
   }
 
   Widget _familyPlacementSection() {
@@ -1312,7 +1497,7 @@ class _AdminChildDetailModalState extends State<AdminChildDetailModal> {
         const SizedBox(width: 12),
         ElevatedButton(
           style: ValidationModalTheme.primaryElevatedStyle,
-          onPressed: !_dirty || _busy ? null : _save,
+          onPressed: !_canSubmit || _busy ? null : _save,
           child: _saving
               ? const SizedBox(
                   width: 18,

frontend/lib/widgets/admin/common/admin_enfant_user_card.dart

@@ -3,6 +3,7 @@ import 'package:p_tits_pas/models/enfant_admin_model.dart';
 import 'package:p_tits_pas/models/parent_child_summary.dart';
 import 'package:p_tits_pas/utils/date_display_utils.dart';
 import 'package:p_tits_pas/utils/enfant_status_utils.dart';
+import 'package:p_tits_pas/utils/enfant_vigilance.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
 
 List<String> enfantAdminSubtitleLines({
@@ -36,6 +37,8 @@ class AdminEnfantUserCard extends StatelessWidget {
   final VoidCallback? onCardTap;
   final EdgeInsetsGeometry? margin;
   final EdgeInsetsGeometry? contentPadding;
+  final Color? borderColor;
+  final String? vigilanceTooltip;
 
   const AdminEnfantUserCard({
     super.key,
@@ -46,6 +49,8 @@ class AdminEnfantUserCard extends StatelessWidget {
     this.onCardTap,
     this.margin,
     this.contentPadding,
+    this.borderColor,
+    this.vigilanceTooltip,
   });
 
   factory AdminEnfantUserCard.fromEnfant(
@@ -55,10 +60,13 @@ class AdminEnfantUserCard extends StatelessWidget {
     VoidCallback? onCardTap,
     EdgeInsetsGeometry? margin,
     EdgeInsetsGeometry? contentPadding,
+    Color? borderColor,
+    String? vigilanceTooltip,
   }) {
     final parents = enfant.parentLinks
         .map((l) => l.parentName ?? 'Parent')
         .join(', ');
+    final orphan = enfantHasNoResponsable(enfant);
     return AdminEnfantUserCard(
       title: enfant.fullName,
       photoUrl: enfant.photoUrl,
@@ -69,6 +77,7 @@ class AdminEnfantUserCard extends StatelessWidget {
         gender: enfant.gender,
         extra: [
           if (parents.isNotEmpty) 'Responsables : $parents',
+          if (orphan) 'Aucun responsable rattaché',
           ...extraSubtitleLines,
         ],
       ),
@@ -76,6 +85,10 @@ class AdminEnfantUserCard extends StatelessWidget {
       onCardTap: onCardTap,
       margin: margin,
       contentPadding: contentPadding,
+      borderColor: borderColor ??
+          (orphan ? Colors.red.shade300 : null),
+      vigilanceTooltip: vigilanceTooltip ??
+          enfantSansResponsableVigilanceMessage(enfant),
     );
   }
 
@@ -114,6 +127,8 @@ class AdminEnfantUserCard extends StatelessWidget {
       onCardTap: onCardTap,
       margin: margin,
       contentPadding: contentPadding,
+      borderColor: borderColor,
+      vigilanceTooltip: vigilanceTooltip,
     );
   }
 }

frontend/lib/widgets/admin/common/admin_parent_edit_modal.dart

@@ -283,8 +283,7 @@ class _AdminParentEditModalState extends State<AdminParentEditModal> {
       builder: (ctx) => AlertDialog(
         title: const Text('Détacher l\'enfant'),
         content: Text(
-          'Retirer ${child.fullName} de la fiche de ce parent ?\n'
-          '(L\'enfant ne sera pas supprimé.)',
+          'Retirer ${child.fullName} de la fiche de ce parent ?',
         ),
         actions: [
           TextButton(

frontend/lib/widgets/admin/common/admin_select_famille_modal.dart

@@ -4,10 +4,12 @@ import 'package:p_tits_pas/services/user_service.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_select_list_modal.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
 
-/// Foyer / famille sélectionnable pour rattacher un nouvel enfant (#132).
+/// Foyer / famille sélectionnable pour rattacher un nouvel enfant (#132 / #157).
 class AdminFamilleFoyer {
   /// Parent pivot pour `POST /enfants` (`parent_user_id`).
   final String pivotParentUserId;
+  /// Co-parent éventuel (rattachement foyer #157).
+  final String? coParentUserId;
   final String? numeroDossier;
   final String displayTitle;
   final List<String> parentNames;
@@ -16,9 +18,18 @@ class AdminFamilleFoyer {
     required this.pivotParentUserId,
     required this.displayTitle,
     required this.parentNames,
+    this.coParentUserId,
     this.numeroDossier,
   });
 
+  /// Parents du foyer à lier à l’enfant (pivot puis co-parent).
+  List<String> get parentUserIds {
+    final ids = <String>[pivotParentUserId];
+    final co = (coParentUserId ?? '').trim();
+    if (co.isNotEmpty && co != pivotParentUserId) ids.add(co);
+    return ids;
+  }
+
   String get subtitle {
     final parts = <String>[];
     final dossier = (numeroDossier ?? '').trim();
@@ -61,6 +72,7 @@ List<AdminFamilleFoyer> buildFamilleFoyers(List<ParentModel> parents) {
     foyers.add(
       AdminFamilleFoyer(
         pivotParentUserId: p.user.id,
+        coParentUserId: co?.id,
         numeroDossier: dossier.isNotEmpty ? dossier : null,
         displayTitle: title,
         parentNames: names,

frontend/lib/widgets/admin/enfant_management_widget.dart

@@ -72,7 +72,14 @@ class _EnfantManagementWidgetState extends State<EnfantManagementWidget> {
           normalizeEnfantStatus(e.status) ==
               normalizeEnfantStatus(widget.statusFilter);
       return matchesName && matchesStatus;
-    }).toList();
+    }).toList()
+      ..sort((a, b) {
+        // Orphelins (#157) en tête, puis ordre alphabétique.
+        final ao = a.hasNoResponsable ? 0 : 1;
+        final bo = b.hasNoResponsable ? 0 : 1;
+        if (ao != bo) return ao.compareTo(bo);
+        return a.fullName.toLowerCase().compareTo(b.fullName.toLowerCase());
+      });
 
     return UserList(
       isLoading: _isLoading,

frontend/lib/widgets/admin/parent_managmant_widget.dart

@@ -80,7 +80,7 @@ class _ParentManagementWidgetState extends State<ParentManagementWidget> {
           onCardTap: () => _openParentDetails(parent),
           subtitleLines: [
             parent.user.email,
-            'Statut : ${_displayStatus(parent.user.statut)} | Enfants : ${parent.children.isNotEmpty ? parent.children.length : parent.childrenCount}',
+            'Statut : ${_displayStatus(parent.user.statut)} | Enfants : ${ParentModel.foyerChildrenCount(parent, _parents)}',
           ],
           actions: [
             IconButton(