feat(front): implement AM dashboard shell with 3 columns (#169)

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

frontend/lib/screens/am/am_dashboard_screen.dart

@@ -1,15 +1,11 @@
 import 'package:flutter/material.dart';
-import 'package:p_tits_pas/models/couple_garde.dart';
 import 'package:p_tits_pas/models/user.dart';
 import 'package:p_tits_pas/services/auth_service.dart';
-import 'package:p_tits_pas/services/couple_garde_service.dart';
-import 'package:p_tits_pas/widgets/quotidien/couple_selector_bandeau.dart';
 import 'package:p_tits_pas/widgets/quotidien/quotidien_shell.dart';
 import 'package:p_tits_pas/widgets/quotidien/quotidien_theme.dart';
-import 'package:p_tits_pas/screens/home/parent_screen/agenda_absences_stub.dart';
 
 /// Dashboard assistante maternelle – coquille 3 colonnes quotidien (#169).
-/// Colonne gauche : sélecteur de couple enfant–parent(s) (#170).
+/// Colonne gauche : sélecteur de couple enfant–parent(s) (à venir #170).
 /// Métier cartes / blog / messagerie : tickets C/D/E.
 class AmDashboardScreen extends StatefulWidget {
   const AmDashboardScreen({super.key});
@@ -22,16 +18,10 @@ class _AmDashboardScreenState extends State<AmDashboardScreen> {
   QuotidienNavSection _section = QuotidienNavSection.liaison;
   AppUser? _user;
 
-  List<CoupleGarde> _couples = const [];
-  String? _selectedCoupleId;
-  bool _couplesLoading = true;
-  String? _couplesError;
-
   @override
   void initState() {
     super.initState();
     _loadUser();
-    _loadCouples();
   }
 
   Future<void> _loadUser() async {
@@ -39,53 +29,6 @@ class _AmDashboardScreenState extends State<AmDashboardScreen> {
     if (mounted) setState(() => _user = user);
   }
 
-  Future<void> _loadCouples() async {
-    setState(() {
-      _couplesLoading = true;
-      _couplesError = null;
-    });
-    try {
-      // TODO: Pour l'instant on utilise le service générique de test (CoupleGardeService.getCouplesGarde).
-      // Dans le futur, l'API pour l'AM (enfants_accueillis) fournira la vraie liste.
-      final res = await CoupleGardeService.getCouplesGarde();
-      if (!mounted) return;
-      setState(() {
-        _couples = res.couples;
-        _selectedCoupleId = res.coupleCourant?.id;
-        _couplesLoading = false;
-      });
-    } catch (e) {
-      if (!mounted) return;
-      setState(() {
-        _couplesError = e.toString().replaceFirst('Exception: ', '');
-        _couplesLoading = false;
-      });
-    }
-  }
-
-  Future<void> _selectCouple(CoupleGarde couple) async {
-    if (couple.id == _selectedCoupleId) return;
-    setState(() => _selectedCoupleId = couple.id);
-    try {
-      final res = await CoupleGardeService.definirCoupleCourant(couple.id);
-      if (!mounted) return;
-      setState(() {
-        _couples = res.couples;
-        _selectedCoupleId = res.coupleCourant?.id ?? couple.id;
-      });
-    } catch (e) {
-      if (!mounted) return;
-      ScaffoldMessenger.of(context).showSnackBar(
-        SnackBar(
-          content: Text(
-            "Impossible de changer d'enfant : "
-            '${e.toString().replaceFirst('Exception: ', '')}',
-          ),
-        ),
-      );
-    }
-  }
-
   String get _displayName {
     final n = _user?.fullName.trim() ?? '';
     if (n.isNotEmpty) return n;
@@ -111,13 +54,11 @@ class _AmDashboardScreenState extends State<AmDashboardScreen> {
       onSettingsTap: () => _soon('Paramètres'),
       // L'AM n'a pas de bouton "Recherche AM" dans le bandeau
       onSearchAmTap: null,
-      leftColumn: _LeftColumn(
+      leftColumn: const QuotidienColumnPlaceholder(
-        couples: _couples,
+        title: 'Cartes',
-        selectedCoupleId: _selectedCoupleId,
+        subtitle:
-        loading: _couplesLoading,
+            'Couple enfant–parent(s) et flux de cartes\n(à brancher — tickets #170 / #174).',
-        error: _couplesError,
+        icon: Icons.style_outlined,
-        onRetry: _loadCouples,
-        onCoupleSelected: _selectCouple,
       ),
       centerColumn: const QuotidienColumnPlaceholder(
         title: 'Blog',
@@ -131,7 +72,10 @@ class _AmDashboardScreenState extends State<AmDashboardScreen> {
             'Mess. Parents · Mess. RPE\n(à brancher — ticket #185).',
         icon: Icons.chat_bubble_outline,
       ),
-      agendaBody: AgendaAbsencesStub(placementId: _selectedCoupleId),
+      agendaBody: const QuotidienStubPage(
+        title: 'Agenda',
+        message: 'Agenda — contenu à venir (stub #187).',
+      ),
       contratBody: const QuotidienStubPage(
         title: 'Contrat',
         message: 'Contrat — contenu à venir (stub #187).',
@@ -140,51 +84,3 @@ class _AmDashboardScreenState extends State<AmDashboardScreen> {
   }
 }
 
-class _LeftColumn extends StatelessWidget {
-  final List<CoupleGarde> couples;
-  final String? selectedCoupleId;
-  final bool loading;
-  final String? error;
-  final VoidCallback onRetry;
-  final ValueChanged<CoupleGarde> onCoupleSelected;
-
-  const _LeftColumn({
-    required this.couples,
-    required this.selectedCoupleId,
-    required this.loading,
-    required this.error,
-    required this.onRetry,
-    required this.onCoupleSelected,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return Padding(
-      padding: const EdgeInsets.all(14),
-      child: Column(
-        crossAxisAlignment: CrossAxisAlignment.stretch,
-        children: [
-          CoupleSelectorBandeau(
-            mode: CoupleBandeauMode.assistanteMaternelle,
-            couples: couples,
-            selectedCoupleId: selectedCoupleId,
-            loading: loading,
-            errorMessage: error,
-            onRetry: onRetry,
-            onCoupleSelected: onCoupleSelected,
-          ),
-          const SizedBox(height: 14),
-          const Expanded(
-            child: QuotidienColumnPlaceholder(
-              title: 'Cartes',
-              subtitle:
-                  'Absences, congés AM, sorties à valider\n(à brancher — ticket #174).',
-              icon: Icons.style_outlined,
-            ),
-          ),
-        ],
-      ),
-    );
-  }
-}
-

frontend/lib/widgets/quotidien/couple_selector_bandeau.dart

@@ -135,16 +135,6 @@ class _CoupleCard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    // Parent mode: enfant | AM
-    // AM mode: enfant | parent(s)
-    final isParentMode = mode == CoupleBandeauMode.parent;
-    final fallbackRoleIcon = isParentMode ? Icons.volunteer_activism : Icons.person_outline;
-    final fallbackRoleName = isParentMode ? 'Nounou' : 'Parent';
-    
-    // TODO: In AM mode, we should ideally display "parent1+parent2 empilés" or centered.
-    // For now, CoupleGarde only gives us `am` (which in AM mode might just represent one parent, or the system needs to feed both parents here). 
-    // Assuming backend will populate `am` field with the parent data when called by AM.
-
     return Container(
       height: 90,
       decoration: BoxDecoration(
@@ -185,8 +175,14 @@ class _CoupleCard extends StatelessWidget {
                 photoUrl: couple.am.photoUrl,
                 name: (couple.am.prenom != null && couple.am.prenom!.isNotEmpty)
                     ? couple.am.prenom!
-                    : couple.am.displayName(fallback: fallbackRoleName),
+                    : couple.am.displayName(
-                fallbackIcon: fallbackRoleIcon,
+                        fallback: mode == CoupleBandeauMode.parent
+                            ? 'Nounou'
+                            : 'Parent',
+                      ),
+                fallbackIcon: mode == CoupleBandeauMode.parent
+                    ? Icons.volunteer_activism
+                    : Icons.person_outline,
               ),
             ),
           ),