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

lib/features/history/widgets/history_chart.dart

@@ -155,7 +155,7 @@ class HistoryChart extends StatelessWidget {
                         return touchedSpots.map((spot) {
                           final session = displaySessions[spot.x.toInt()];
                           return LineTooltipItem(
-                            'Score: ${session.totalScore}\n${session.shotCount} tirs',
+                            'Score: ${session.totalScore}\n${session.totalShots} tirs',
                             const TextStyle(
                               color: Colors.white,
                               fontWeight: FontWeight.bold,

lib/features/history/widgets/session_list_item.dart

@@ -1,15 +1,8 @@
-/// Item de liste représentant une session.
-///
-/// Affiche les informations clés d'une session (date, type de cible,
-/// score, nombre de tirs) avec miniature de l'image et actions de suppression.
-library;
-
 import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:intl/intl.dart';
 import '../../../core/theme/app_theme.dart';
 import '../../../data/models/session.dart';
-import '../../../data/models/target_type.dart';
 
 class SessionListItem extends StatelessWidget {
   final Session session;
@@ -33,7 +26,7 @@ class SessionListItem extends StatelessWidget {
           padding: const EdgeInsets.all(12),
           child: Row(
             children: [
-              // Thumbnail
+              // Thumbnail (from first target)
               ClipRRect(
                 borderRadius: BorderRadius.circular(8),
                 child: SizedBox(
@@ -51,14 +44,14 @@ class SessionListItem extends StatelessWidget {
                   children: [
                     Row(
                       children: [
-                        Icon(
-                          _getTargetIcon(),
+                        const Icon(
+                          Icons.shield,
                           size: 16,
                           color: AppTheme.primaryColor,
                         ),
                         const SizedBox(width: 4),
                         Text(
-                          session.targetType.displayName,
+                          session.weapon,
                           style: const TextStyle(
                             fontWeight: FontWeight.bold,
                           ),
@@ -70,18 +63,19 @@ class SessionListItem extends StatelessWidget {
                       DateFormat('dd/MM/yyyy HH:mm').format(session.createdAt),
                       style: Theme.of(context).textTheme.bodySmall,
                     ),
-                    if (session.notes != null && session.notes!.isNotEmpty) ...[
-                      const SizedBox(height: 2),
-                      Text(
-                        session.notes!,
-                        style: Theme.of(context).textTheme.bodySmall?.copyWith(
-                          color: Colors.grey[600],
-                          fontStyle: FontStyle.italic,
+                    const SizedBox(height: 4),
+                    Row(
+                      children: [
+                        Icon(Icons.track_changes, size: 14, color: Colors.grey[600]),
+                        const SizedBox(width: 4),
+                        Text(
+                          '${session.targetCount} cible(s) • ${session.distance}m',
+                          style: Theme.of(context).textTheme.bodySmall?.copyWith(
+                            color: Colors.grey[600],
+                          ),
                         ),
-                        maxLines: 1,
-                        overflow: TextOverflow.ellipsis,
-                      ),
-                    ],
+                      ],
+                    ),
                   ],
                 ),
               ),
@@ -98,7 +92,7 @@ class SessionListItem extends StatelessWidget {
                     ),
                   ),
                   Text(
-                    '${session.shotCount} tirs',
+                    '${session.totalShots} tirs',
                     style: Theme.of(context).textTheme.bodySmall,
                   ),
                 ],
@@ -120,7 +114,9 @@ class SessionListItem extends StatelessWidget {
   }
 
   Widget _buildThumbnail() {
-    final file = File(session.imagePath);
+    if (session.analyses.isEmpty) return _buildPlaceholder();
+    
+    final file = File(session.analyses.first.imagePath);
 
     if (file.existsSync()) {
       return Image.file(
@@ -137,18 +133,9 @@ class SessionListItem extends StatelessWidget {
     return Container(
       color: Colors.grey[200],
       child: Icon(
-        _getTargetIcon(),
+        Icons.track_changes,
         color: Colors.grey[400],
       ),
     );
   }
-
-  IconData _getTargetIcon() {
-    switch (session.targetType) {
-      case TargetType.concentric:
-        return Icons.track_changes;
-      case TargetType.silhouette:
-        return Icons.person;
-    }
-  }
 }