feat(core): consolide le chainage type metier d'exercice -> strategie Health Services -> payload montre -> consommation Kotlin

Finalise #183 : modele/persistance des types metier d'exercice, mapping vers la strategie Health Services, propagation du payload dans le contrat watch bridge et consommation cote Kotlin montre. Perimetre complet QA vert.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

packages/watch_bridge_contract/lib/src/watch_bridge_contract.dart

@@ -1,4 +1,4 @@
-const int watchBridgeSchemaVersion = 6;
+const int watchBridgeSchemaVersion = 7;
 
 enum WatchCommandType {
   startCurrentExercise,
@@ -300,6 +300,7 @@ final class WatchSessionProjection {
     this.manualScoreTargetLabel,
     this.manualScoreRepsTargetValue,
     this.manualScoreScope,
+    this.healthServicesExerciseTypeStrategy = const [],
   });
 
   factory WatchSessionProjection.fromJson(Map<String, Object?> json) {
@@ -362,6 +363,9 @@ final class WatchSessionProjection {
         json['manualScoreScope'],
         WatchManualScoreScope.values,
       ),
+      healthServicesExerciseTypeStrategy: _stringListFromJson(
+        json['healthServicesExerciseTypeStrategy'],
+      ),
     );
   }
 
@@ -398,6 +402,7 @@ final class WatchSessionProjection {
   final String? manualScoreTargetLabel;
   final int? manualScoreRepsTargetValue;
   final WatchManualScoreScope? manualScoreScope;
+  final List<String> healthServicesExerciseTypeStrategy;
 
   Map<String, Object?> toJson() {
     return {
@@ -438,6 +443,7 @@ final class WatchSessionProjection {
       'manualScoreTargetLabel': manualScoreTargetLabel,
       'manualScoreRepsTargetValue': manualScoreRepsTargetValue,
       'manualScoreScope': manualScoreScope?.name,
+      'healthServicesExerciseTypeStrategy': healthServicesExerciseTypeStrategy,
     };
   }
 
@@ -477,7 +483,11 @@ final class WatchSessionProjection {
             manualScoreTargetValue == other.manualScoreTargetValue &&
             manualScoreTargetLabel == other.manualScoreTargetLabel &&
             manualScoreRepsTargetValue == other.manualScoreRepsTargetValue &&
-            manualScoreScope == other.manualScoreScope;
+            manualScoreScope == other.manualScoreScope &&
+            _listEquals(
+              healthServicesExerciseTypeStrategy,
+              other.healthServicesExerciseTypeStrategy,
+            );
   }
 
   @override
@@ -516,6 +526,7 @@ final class WatchSessionProjection {
       manualScoreTargetLabel,
       manualScoreRepsTargetValue,
       manualScoreScope,
+      Object.hashAll(healthServicesExerciseTypeStrategy),
     ]);
   }
 }
@@ -886,6 +897,13 @@ String? _nullableStringFromJson(Object? value) {
   return value is String ? value : null;
 }
 
+List<String> _stringListFromJson(Object? value) {
+  if (value is! List) {
+    return const [];
+  }
+  return value.whereType<String>().toList(growable: false);
+}
+
 int _intFromJson(Object? value, int fallback) {
   return value is int ? value : fallback;
 }