nettoyage du code avec cunning

lib/features/analysis/analysis_provider.dart

@@ -17,6 +17,7 @@ import '../../services/target_detection_service.dart';
 import '../../services/score_calculator_service.dart';
 import '../../services/grouping_analyzer_service.dart';
 import '../../services/distortion_correction_service.dart';
+import '../../services/opencv_target_service.dart';
 
 enum AnalysisState { initial, loading, success, error }
 
@@ -26,6 +27,7 @@ class AnalysisProvider extends ChangeNotifier {
   final GroupingAnalyzerService _groupingAnalyzerService;
   final SessionRepository _sessionRepository;
   final DistortionCorrectionService _distortionService;
+  final OpenCVTargetService _opencvTargetService;
   final Uuid _uuid = const Uuid();
 
   AnalysisProvider({
@@ -34,11 +36,13 @@ class AnalysisProvider extends ChangeNotifier {
     required GroupingAnalyzerService groupingAnalyzerService,
     required SessionRepository sessionRepository,
     DistortionCorrectionService? distortionService,
+    OpenCVTargetService? opencvTargetService,
   }) : _detectionService = detectionService,
        _scoreCalculatorService = scoreCalculatorService,
        _groupingAnalyzerService = groupingAnalyzerService,
        _sessionRepository = sessionRepository,
-       _distortionService = distortionService ?? DistortionCorrectionService();
+       _distortionService = distortionService ?? DistortionCorrectionService(),
+       _opencvTargetService = opencvTargetService ?? OpenCVTargetService();
 
   AnalysisState _state = AnalysisState.initial;
   String? _errorMessage;
@@ -508,6 +512,24 @@ class AnalysisProvider extends ChangeNotifier {
     notifyListeners();
   }
 
+  /// Auto-calibrate target using OpenCV
+  Future<bool> autoCalibrateTarget() async {
+    if (_imagePath == null) return false;
+
+    try {
+      final result = await _opencvTargetService.detectTarget(_imagePath!);
+
+      if (result.success) {
+        adjustTargetPosition(result.centerX, result.centerY, result.radius);
+        return true;
+      }
+      return false;
+    } catch (e) {
+      print('Auto-calibration error: $e');
+      return false;
+    }
+  }
+
   /// Calcule les paramètres de distorsion basés sur la calibration actuelle
   void calculateDistortion() {
     _distortionParams = _distortionService.calculateDistortionFromCalibration(