fix(#131): activer Sauvegarder sur statut, enfants et champs AM.

Compare l'état de la fiche à un snapshot initial (liste enfants, statut, places, formulaire) et corrige la gélule statut pour les valeurs hors liste.

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

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

@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:p_tits_pas/models/assistante_maternelle_model.dart';
@@ -57,6 +58,25 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
   bool _saving = false;
   bool _dirty = false;
 
+  late String _baseStatut;
+  late bool _baseDisponible;
+  late int? _basePlacesAvailable;
+  late List<String> _baseChildIds;
+  late String _baseNom;
+  late String _basePrenom;
+  late String _baseEmail;
+  late String _baseTelephone;
+  late String _baseAdresse;
+  late String _baseVille;
+  late String _baseCodePostal;
+  late String _baseAgrement;
+  late String _baseNir;
+  late String? _baseDateNaissanceIso;
+  late String _baseLieuNaissanceVille;
+  late String _baseLieuNaissancePays;
+  late String? _baseAgreementDateIso;
+  late int? _baseCapacite;
+
   static const double _modalWidth = 930;
   static const double _photoProGap = 24;
   static const double _proColumnMinWidth = 260;
@@ -147,16 +167,77 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
     _nomCtrl.addListener(_onNameFieldChanged);
     _prenomCtrl.addListener(_onNameFieldChanged);
     _tabCtrl.addListener(_onTabChanged);
+    _captureBaseline();
     _reloadChildren();
   }
 
+  void _captureBaseline() {
+    _baseStatut = _statut;
+    _baseDisponible = _disponible;
+    _basePlacesAvailable = _placesAvailable;
+    _baseChildIds = _children.map((c) => c.id).toList()..sort();
+    _baseNom = _nomCtrl.text.trim();
+    _basePrenom = _prenomCtrl.text.trim();
+    _baseEmail = _emailCtrl.text.trim();
+    _baseTelephone = normalizePhone(_telCtrl.text);
+    _baseAdresse = _adresseCtrl.text.trim();
+    _baseVille = _villeCtrl.text.trim();
+    _baseCodePostal = _cpCtrl.text.trim();
+    _baseAgrement = _agrementCtrl.text.trim();
+    _baseNir = nirToRaw(_nirCtrl.text);
+    _baseDateNaissanceIso = _frDateToIso(_dateNaissanceCtrl.text);
+    _baseLieuNaissanceVille = _lieuNaissanceVilleCtrl.text.trim();
+    _baseLieuNaissancePays = _lieuNaissancePaysCtrl.text.trim();
+    _baseAgreementDateIso = _frDateToIso(_dateAgrementCtrl.text);
+    _baseCapacite = _capaciteMax();
+  }
+
+  bool _hasUnsavedChanges() {
+    if (_statut != _baseStatut) return true;
+    if (_disponible != _baseDisponible) return true;
+    if (_placesAvailable != _basePlacesAvailable) return true;
+    final childIds = _children.map((c) => c.id).toList()..sort();
+    if (!listEquals(childIds, _baseChildIds)) return true;
+    if (_nomCtrl.text.trim() != _baseNom) return true;
+    if (_prenomCtrl.text.trim() != _basePrenom) return true;
+    if (_emailCtrl.text.trim() != _baseEmail) return true;
+    if (normalizePhone(_telCtrl.text) != _baseTelephone) return true;
+    if (_adresseCtrl.text.trim() != _baseAdresse) return true;
+    if (_villeCtrl.text.trim() != _baseVille) return true;
+    if (_cpCtrl.text.trim() != _baseCodePostal) return true;
+    if (_agrementCtrl.text.trim() != _baseAgrement) return true;
+    if (nirToRaw(_nirCtrl.text) != _baseNir) return true;
+    if (_frDateToIso(_dateNaissanceCtrl.text) != _baseDateNaissanceIso) {
+      return true;
+    }
+    if (_lieuNaissanceVilleCtrl.text.trim() != _baseLieuNaissanceVille) {
+      return true;
+    }
+    if (_lieuNaissancePaysCtrl.text.trim() != _baseLieuNaissancePays) {
+      return true;
+    }
+    if (_frDateToIso(_dateAgrementCtrl.text) != _baseAgreementDateIso) {
+      return true;
+    }
+    if (_capaciteMax() != _baseCapacite) return true;
+    return false;
+  }
+
+  void _syncDirtyState() {
+    final next = _hasUnsavedChanges();
+    if (next != _dirty) setState(() => _dirty = next);
+  }
+
   void _onTabChanged() {
     if (!_tabCtrl.indexIsChanging) setState(() {});
   }
 
   void _onNameFieldChanged() => setState(() {});
 
-  void _onCapacityChanged() => setState(() {});
+  void _onCapacityChanged() {
+    setState(() {});
+    _syncDirtyState();
+  }
 
   @override
   void dispose() {
@@ -182,9 +263,7 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
     super.dispose();
   }
 
-  void _markDirty() {
-    if (!_dirty) setState(() => _dirty = true);
-  }
+  void _markDirty() => _syncDirtyState();
 
   String _headerTitle() {
     final fn = _prenomCtrl.text.trim();
@@ -240,10 +319,8 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
   void _applyPlacesCorrection() {
     final expected = _computedPlacesAvailable();
     if (expected == null) return;
-    setState(() {
-      _placesAvailable = expected;
-      _dirty = true;
-    });
+    setState(() => _placesAvailable = expected);
+    _syncDirtyState();
   }
 
   String? _placesInconsistencyMessage() {
@@ -318,6 +395,7 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
         _dirty = false;
         _saving = false;
       });
+      _captureBaseline();
       widget.onSaved?.call();
       ScaffoldMessenger.of(context).showSnackBar(
         const SnackBar(content: Text('Fiche assistante maternelle enregistrée')),
@@ -346,6 +424,7 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
 
       if (!mounted) return;
       setState(() => _children = kids);
+      _syncDirtyState();
     } catch (_) {}
   }
 
@@ -574,10 +653,10 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
                         style: TextStyle(fontSize: 13),
                       ),
                       value: _disponible,
-                      onChanged: (v) => setState(() {
-                        _disponible = v;
-                        _dirty = true;
-                      }),
+                      onChanged: (v) {
+                        setState(() => _disponible = v);
+                        _syncDirtyState();
+                      },
                     ),
                   ],
                 ),
@@ -756,10 +835,10 @@ class _AdminAmEditModalState extends State<AdminAmEditModal>
                     width: 160,
                     child: AdminStatusCapsule(
                       statut: _statut,
-                      onChanged: (v) => setState(() {
-                        _statut = v;
-                        _dirty = true;
-                      }),
+                      onChanged: (v) {
+                        setState(() => _statut = v);
+                        _syncDirtyState();
+                      },
                     ),
                   ),
                   IconButton(

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

@@ -30,7 +30,10 @@ class AdminStatusCapsule extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final value = statuts.contains(statut) ? statut : statuts.first;
+    final value = statut;
+    final items = statuts.contains(statut)
+        ? statuts
+        : <String>[statut, ...statuts];
     return Container(
       height: 34,
       decoration: BoxDecoration(
@@ -46,7 +49,7 @@ class AdminStatusCapsule extends StatelessWidget {
           isDense: true,
           style: const TextStyle(fontSize: 13, color: Colors.black87),
           icon: const Icon(Icons.arrow_drop_down, size: 20),
-          items: statuts
+          items: items
               .map(
                 (s) => DropdownMenuItem(
                   value: s,