feat: implement base architecture and core repositories for weapon tracking and target analysis functionality

lib/features/settings/settings_screen.dart

@@ -1,11 +1,14 @@
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 import 'package:flutter/services.dart';
+import '../../core/theme/theme_provider.dart';
 import 'dart:convert';
 import 'package:crypto/crypto.dart';
 import 'package:http/http.dart' as http;
 import '../../core/constants/app_constants.dart';
 import '../../core/theme/app_theme.dart';
 import '../../services/wallet_identity_service.dart';
+import '../garage/weapon_list_screen.dart';
 
 class SettingsScreen extends StatefulWidget {
   const SettingsScreen({super.key});
@@ -81,6 +84,49 @@ class _SettingsScreenState extends State<SettingsScreen> {
     }
   }
 
+  void _showThemeDialog() {
+    final themeProvider = context.read<ThemeProvider>();
+    
+    showDialog(
+      context: context,
+      builder: (context) => AlertDialog(
+        title: const Text('Apparence'),
+        content: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            _buildThemeOption(ThemeMode.system, 'Automatique', Icons.brightness_auto),
+            _buildThemeOption(ThemeMode.light, 'Clair', Icons.light_mode),
+            _buildThemeOption(ThemeMode.dark, 'Sombre', Icons.dark_mode),
+          ],
+        ),
+        actions: [
+          TextButton(
+            onPressed: () => Navigator.pop(context),
+            child: const Text('Fermer'),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildThemeOption(ThemeMode mode, String label, IconData icon) {
+    final themeProvider = context.watch<ThemeProvider>();
+    final isSelected = themeProvider.themeMode == mode;
+    
+    return ListTile(
+      leading: Icon(icon, color: isSelected ? AppTheme.primaryColor : null),
+      title: Text(label, style: TextStyle(
+        fontWeight: isSelected ? FontWeight.bold : FontWeight.normal,
+        color: isSelected ? AppTheme.primaryColor : null,
+      )),
+      trailing: isSelected ? const Icon(Icons.check, color: AppTheme.primaryColor) : null,
+      onTap: () {
+        themeProvider.setThemeMode(mode);
+        Navigator.pop(context);
+      },
+    );
+  }
+
   void _showIdentityDialog() {
     if (_identityPhrase == null) return;
     
@@ -218,14 +264,29 @@ class _SettingsScreenState extends State<SettingsScreen> {
             subtitle: _identityPhrase != null ? 'Phrase de 15 mots générée' : 'Génération en cours...',
             onTap: _showIdentityDialog,
           ),
+          Consumer<ThemeProvider>(
+            builder: (context, themeProvider, child) {
+              return _buildSettingsTile(
+                context: context,
+                icon: Icons.color_lens_outlined,
+                title: 'Apparence',
+                subtitle: themeProvider.themeModeName,
+                onTap: _showThemeDialog,
+              );
+            },
+          ),
+          
+          const SizedBox(height: 24),
+          _buildSectionHeader('Gestion'),
           _buildSettingsTile(
             context: context,
-            icon: Icons.color_lens_outlined,
-            title: 'Apparence',
-            subtitle: 'Thème clair/sombre (à venir)',
-            onTap: () {
-              ScaffoldMessenger.of(context).showSnackBar(
-                const SnackBar(content: Text('Fonctionnalité en développement')),
+            icon: Icons.shield_outlined,
+            title: 'Mon Armurerie',
+            subtitle: 'Gérer mes armes et équipements',
+            onTap: () async {
+              await Navigator.push(
+                context,
+                MaterialPageRoute(builder: (_) => const WeaponListScreen()),
               );
             },
           ),