feat(#160): suppressions dashboard — poubelle, confirmations et sans_enfant.

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

frontend/lib/widgets/admin/gestionnaire_management_widget.dart

@@ -1,8 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:p_tits_pas/models/user.dart';
 import 'package:p_tits_pas/screens/administrateurs/creation/gestionnaires_create.dart';
+import 'package:p_tits_pas/services/auth_service.dart';
 import 'package:p_tits_pas/services/user_service.dart';
+import 'package:p_tits_pas/utils/staff_deletion_rights.dart';
 import 'package:p_tits_pas/widgets/admin/common/admin_user_card.dart';
+import 'package:p_tits_pas/widgets/admin/common/suppression_confirm_dialog.dart';
 import 'package:p_tits_pas/widgets/admin/common/user_list.dart';
 
 class GestionnaireManagementWidget extends StatefulWidget {
@@ -23,16 +26,28 @@ class _GestionnaireManagementWidgetState
   bool _isLoading = false;
   String? _error;
   List<AppUser> _gestionnaires = [];
+  bool _canDelete = false;
+  String? _currentUserId;
 
   @override
   void initState() {
     super.initState();
+    _loadRights();
     _loadGestionnaires();
   }
 
   @override
   void dispose() => super.dispose();
 
+  Future<void> _loadRights() async {
+    final user = await AuthService.getCurrentUser();
+    if (!mounted) return;
+    setState(() {
+      _canDelete = canDeleteGestionnaire(user?.role);
+      _currentUserId = user?.id;
+    });
+  }
+
   Future<void> _loadGestionnaires() async {
     setState(() {
       _isLoading = true;
@@ -67,6 +82,46 @@ class _GestionnaireManagementWidgetState
     }
   }
 
+  Future<void> _confirmDelete(AppUser user) async {
+    if (_currentUserId != null && _currentUserId == user.id) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        const SnackBar(
+          content: Text('Vous ne pouvez pas supprimer votre propre compte.'),
+        ),
+      );
+      return;
+    }
+    final name = user.fullName.isNotEmpty ? user.fullName : user.email;
+    final confirmed = await showSuppressionConfirmDialog(
+      context,
+      title: 'Supprimer le gestionnaire',
+      people: [SuppressionPersonLine.gestionnaire(name)],
+      footnotes: const [
+        'Le compte sera définitivement supprimé.',
+      ],
+    );
+    if (!confirmed || !mounted) return;
+
+    try {
+      final result = await UserService.deleteUser(user.id);
+      if (!mounted) return;
+      final msg = (result['message'] ?? 'Gestionnaire supprimé.').toString();
+      ScaffoldMessenger.of(context).showSnackBar(SnackBar(content: Text(msg)));
+      await _loadGestionnaires();
+    } catch (e) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(
+            e is Exception
+                ? e.toString().replaceFirst('Exception: ', '')
+                : 'Erreur suppression',
+          ),
+        ),
+      );
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final query = widget.searchQuery.toLowerCase();
@@ -84,6 +139,8 @@ class _GestionnaireManagementWidgetState
       itemCount: filteredGestionnaires.length,
       itemBuilder: (context, index) {
         final user = filteredGestionnaires[index];
+        final isSelf =
+            _currentUserId != null && _currentUserId == user.id;
         return AdminUserCard(
           title: user.fullName,
           fallbackIcon: Icons.assignment_ind_outlined,
@@ -102,6 +159,8 @@ class _GestionnaireManagementWidgetState
                 _openGestionnaireEditDialog(user);
               },
             ),
+            if (_canDelete && !isSelf)
+              suppressionIconButton(onPressed: () => _confirmDelete(user)),
           ],
         );
       },