feat(front): coquille quotidien parent 3 colonnes + bandeau pastel (#166)

- QuotidienShell / QuotidienBandeau / QuotidienTheme reutilisables (parent, AM #169)
- Bandeau : logo, pastilles dessinees Cahier de liaison / Agenda / Contrat
  (jaune / peche / turquoise, inactive = meme couleur a 45 %), menu user sur
  pastille lavande
- Separateurs trait crayon gris (bandeau / colonnes / footer)
- ImageButton : shape stadium (focus suit le contour) + bgOpacity
- AppFooter : option showTopBorder
- ParentDashboardScreen branche sur la coquille avec placeholders
  cartes (#167/#173), blog (#178), messagerie (#184), stubs Agenda/Contrat (#187)
- Assets pastilles (meme silhouette 1190x299) et traits crayon

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

frontend/lib/screens/home/parent_screen/ParentDashboardScreen.dart

@@ -1,41 +1,26 @@
 import 'package:flutter/material.dart';
-import 'package:p_tits_pas/controllers/parent_dashboard_controller.dart';
 import 'package:p_tits_pas/models/user.dart';
 import 'package:p_tits_pas/services/auth_service.dart';
-import 'package:p_tits_pas/services/dashboardService.dart';
-import 'package:p_tits_pas/widgets/app_footer.dart';
-import 'package:p_tits_pas/widgets/dashbord_parent/children_sidebar.dart';
-import 'package:p_tits_pas/widgets/dashbord_parent/wid_dashbord.dart';
-import 'package:p_tits_pas/widgets/dashboard/dashboard_bandeau.dart';
-import 'package:p_tits_pas/widgets/main_content_area.dart';
-import 'package:p_tits_pas/widgets/messaging_sidebar.dart';
-import 'package:provider/provider.dart';
+import 'package:p_tits_pas/widgets/quotidien/quotidien_shell.dart';
+import 'package:p_tits_pas/widgets/quotidien/quotidien_theme.dart';
 
+/// Tableau de bord parent — coquille 3 colonnes quotidien (#166).
+/// Métier cartes / blog / messagerie : tickets C/D/E.
 class ParentDashboardScreen extends StatefulWidget {
-  const ParentDashboardScreen({Key? key}) : super(key: key);
+  const ParentDashboardScreen({super.key});
 
   @override
   State<ParentDashboardScreen> createState() => _ParentDashboardScreenState();
 }
 
 class _ParentDashboardScreenState extends State<ParentDashboardScreen> {
-  int selectedIndex = 0;
+  QuotidienNavSection _section = QuotidienNavSection.liaison;
   AppUser? _user;
 
-  void onTabChange(int index) {
-    setState(() {
-      selectedIndex = index;
-    });
-  }
-
   @override
   void initState() {
     super.initState();
     _loadUser();
-    // Initialiser les données du dashboard
-    WidgetsBinding.instance.addPostFrameCallback((_) {
-      context.read<ParentDashboardController>().initDashboard();
-    });
   }
 
   Future<void> _loadUser() async {
@@ -43,222 +28,56 @@ class _ParentDashboardScreenState extends State<ParentDashboardScreen> {
     if (mounted) setState(() => _user = user);
   }
 
-  Widget _getBody() {
-    switch (selectedIndex) {
-      case 0:
-        return Dashbord_body();
-      case 1:
-        return const Center(child: Text("🔍 Trouver une nounou"));
-      case 2:
-        return const Center(child: Text("⚙️ Paramètres"));
-      default:
-        return const Center(child: Text("Page non trouvée"));
-    }
+  String get _displayName {
+    final n = _user?.fullName.trim() ?? '';
+    if (n.isNotEmpty) return n;
+    final email = _user?.email.trim() ?? '';
+    if (email.isNotEmpty) return email.split('@').first;
+    return 'Parent';
+  }
+
+  void _soon(String label) {
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(content: Text('$label — à venir')),
+    );
   }
 
   @override
   Widget build(BuildContext context) {
-    return ChangeNotifierProvider(
-      create: (context) => ParentDashboardController(DashboardService())..initDashboard(),
-      child: Scaffold(
-        appBar: PreferredSize(
-          preferredSize: const Size.fromHeight(60.0),
-          child: DashboardBandeau(
-            tabItems: const [
-              DashboardTabItem(label: 'Mon tableau de bord'),
-              DashboardTabItem(label: 'Trouver une nounou'),
-              DashboardTabItem(label: 'Paramètres'),
-            ],
-            selectedTabIndex: selectedIndex,
-            onTabSelected: onTabChange,
-            userDisplayName: _user?.fullName.isNotEmpty == true
-                ? _user!.fullName
-                : 'Parent',
-            userEmail: _user?.email,
-            userRole: _user?.role,
-            onProfileTap: () {
-              ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(
-                    content: Text('Modification du profil – à venir')),
-              );
-            },
-            onSettingsTap: () {
-              ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(content: Text('Paramètres – à venir')),
-              );
-            },
-            onLogout: () {},
-            showLogoutConfirmation: true,
-          ),
-        ),
-      body: Column(
-        children: [
-          Expanded(child: _getBody()),
-          const AppFooter(),
-        ],
+    return QuotidienShell(
+      selectedSection: _section,
+      onSectionSelected: (s) => setState(() => _section = s),
+      userDisplayName: _displayName,
+      userEmail: _user?.email,
+      onProfileTap: () => _soon('Profil'),
+      onSearchAmTap: () => _soon('Recherche AM'),
+      onSettingsTap: () => _soon('Paramètres'),
+      leftColumn: const QuotidienColumnPlaceholder(
+        title: 'Cartes',
+        subtitle:
+            'Couple enfant–nounou et flux de cartes\n(à brancher — tickets #167 / #173).',
+        icon: Icons.style_outlined,
       ),
-    ),
-    );
-  }
-
-  Widget _buildResponsiveBody(BuildContext context, ParentDashboardController controller) {
-    return LayoutBuilder(
-      builder: (context, constraints) {
-        if (constraints.maxWidth < 768) {
-          // Layout mobile : colonnes empilées
-          return _buildMobileLayout(controller);
-        } else if (constraints.maxWidth < 1024) {
-          // Layout tablette : 2 colonnes
-          return _buildTabletLayout(controller);
-        } else {
-          // Layout desktop : 3 colonnes
-          return _buildDesktopLayout(controller);
-        }
-      },
-    );
-  }
-
-  Widget _buildDesktopLayout(ParentDashboardController controller) {
-    return Row(
-      crossAxisAlignment: CrossAxisAlignment.start,
-      children: [
-        // Sidebar gauche - Enfants
-        SizedBox(
-          width: 280,
-          child: ChildrenSidebar(
-            children: controller.children,
-            selectedChildId: controller.selectedChildId,
-            onChildSelected: controller.selectChild,
-            onAddChild: controller.showAddChildModal,
-          ),
-        ),
-        
-        // Contenu central
-        Expanded(
-          flex: 2,
-          child: MainContentArea(
-            selectedChild: controller.selectedChild,
-            selectedAssistant: controller.selectedAssistant,
-            events: controller.upcomingEvents,
-            contracts: controller.contracts,
-          ),
-        ),
-        
-        // Sidebar droite - Messagerie
-        SizedBox(
-          width: 320,
-          child: MessagingSidebar(
-            conversations: controller.conversations,
-            notifications: controller.notifications,
-          ),
-        ),
-      ],
-    );
-  }
-
-  Widget _buildTabletLayout(ParentDashboardController controller) {
-    return Row(
-      children: [
-        // Sidebar enfants plus étroite
-        SizedBox(
-          width: 240,
-          child: ChildrenSidebar(
-            children: controller.children,
-            selectedChildId: controller.selectedChildId,
-            onChildSelected: controller.selectChild,
-            onAddChild: controller.showAddChildModal,
-            isCompact: true,
-          ),
-        ),
-        
-        // Contenu principal avec messagerie intégrée
-        Expanded(
-          child: Column(
-            children: [
-              Expanded(
-                flex: 2,
-                child: MainContentArea(
-                  selectedChild: controller.selectedChild,
-                  selectedAssistant: controller.selectedAssistant,
-                  events: controller.upcomingEvents,
-                  contracts: controller.contracts,
-                ),
-              ),
-              SizedBox(
-                height: 200,
-                child: MessagingSidebar(
-                  conversations: controller.conversations,
-                  notifications: controller.notifications,
-                  isCompact: true,
-                ),
-              ),
-            ],
-          ),
-        ),
-      ],
-    );
-  }
-
-  Widget _buildMobileLayout(ParentDashboardController controller) {
-    return DefaultTabController(
-      length: 4,
-      child: Column(
-        children: [
-          // Navigation par onglets sur mobile
-          Container(
-            color: Theme.of(context).primaryColor.withOpacity(0.1),
-            child: const TabBar(
-              isScrollable: true,
-              tabs: [
-                Tab(text: 'Enfants', icon: Icon(Icons.child_care)),
-                Tab(text: 'Planning', icon: Icon(Icons.calendar_month)),
-                Tab(text: 'Contrats', icon: Icon(Icons.description)),
-                Tab(text: 'Messages', icon: Icon(Icons.message)),
-              ],
-            ),
-          ),
-          
-          Expanded(
-            child: TabBarView(
-              children: [
-                // Onglet Enfants
-                ChildrenSidebar(
-                  children: controller.children,
-                  selectedChildId: controller.selectedChildId,
-                  onChildSelected: controller.selectChild,
-                  onAddChild: controller.showAddChildModal,
-                  isMobile: true,
-                ),
-                
-                // Onglet Planning
-                MainContentArea(
-                  selectedChild: controller.selectedChild,
-                  selectedAssistant: controller.selectedAssistant,
-                  events: controller.upcomingEvents,
-                  contracts: controller.contracts,
-                  showOnlyCalendar: true,
-                ),
-                
-                // Onglet Contrats
-                MainContentArea(
-                  selectedChild: controller.selectedChild,
-                  selectedAssistant: controller.selectedAssistant,
-                  events: controller.upcomingEvents,
-                  contracts: controller.contracts,
-                  showOnlyContracts: true,
-                ),
-                
-                // Onglet Messages
-                MessagingSidebar(
-                  conversations: controller.conversations,
-                  notifications: controller.notifications,
-                  isMobile: true,
-                ),
-              ],
-            ),
-          ),
-        ],
+      centerColumn: const QuotidienColumnPlaceholder(
+        title: 'Blog',
+        subtitle:
+            'Fil du quotidien (affichage par défaut)\n(à brancher — ticket #178).',
+        icon: Icons.auto_stories_outlined,
+      ),
+      rightColumn: const QuotidienColumnPlaceholder(
+        title: 'Messagerie',
+        subtitle:
+            'Mess. AM · Mess. RPE\n(à brancher — ticket #184).',
+        icon: Icons.chat_bubble_outline,
+      ),
+      agendaBody: const QuotidienStubPage(
+        title: 'Agenda',
+        message: 'Agenda — contenu à venir (stub #187).',
+      ),
+      contratBody: const QuotidienStubPage(
+        title: 'Contrat',
+        message: 'Contrat — contenu à venir (stub #187).',
       ),
     );
   }
-}
+}