fix(execution): corrige la reprise de seance affichant a tort Seance Terminee (#192)

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

test/presentation/workout_execution_screen_test.dart

@@ -1,3 +1,4 @@
+import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
@@ -88,6 +89,60 @@ void main() {
     expect(repository.session?.status, ActiveWorkoutStatus.abandoned);
   });
 
+  testWidgets(
+    'une séance sauvegardée est reprise sans afficher un faux état terminé',
+    (tester) async {
+      final clock = _FakeClock(DateTime.utc(2026, 7, 17, 12, 0, 15));
+      final resumeGate = Completer<void>();
+      final repository = _FakeActiveSessionRepository()
+        ..findByIdBlocker = resumeGate.future;
+      final session = ActiveWorkoutSession(
+        metadata: _metadata('session-1'),
+        sourceWorkoutTemplateId: 'template-1',
+        status: ActiveWorkoutStatus.savedExit,
+        startedAt: DateTime.utc(2026, 7, 17, 11, 59),
+        lastPersistedAt: DateTime.utc(2026, 7, 17, 12),
+        elapsedActiveMs: 30000,
+        currentProgramIndex: 0,
+        currentExerciseIndex: 0,
+        currentSetIndex: 0,
+        resolvedTemplateSnapshotJson: _sessionSnapshot(),
+      );
+      repository.session = session;
+
+      await tester.pumpWidget(
+        MaterialApp(
+          home: WorkoutExecutionScreen(
+            initialSession: session,
+            activeUseCases: _activeUseCases(repository, clock),
+            closeUseCase: _closeUseCase(repository, clock),
+            historyUseCases: _historyUseCases(clock),
+            workoutTemplateUseCases: _workoutTemplateUseCases(),
+          ),
+        ),
+      );
+      await tester.pump();
+
+      expect(find.text('Reprise de la séance...'), findsOneWidget);
+      expect(find.text('Pause'), findsNothing);
+      expect(find.text('Séance terminée'), findsNothing);
+
+      await tester.pump(const Duration(seconds: 2));
+
+      expect(find.text('Reprise de la séance...'), findsOneWidget);
+      expect(find.text('Séance terminée'), findsNothing);
+      expect(repository.session?.status, ActiveWorkoutStatus.savedExit);
+
+      resumeGate.complete();
+      await tester.pump();
+      await tester.pump();
+
+      expect(repository.session?.status, ActiveWorkoutStatus.running);
+      expect(find.text('Squat'), findsOneWidget);
+      expect(find.text('Séance terminée'), findsNothing);
+    },
+  );
+
   testWidgets('les répétitions sont initialisées avec la cible', (
     tester,
   ) async {
@@ -2678,6 +2733,7 @@ final class _FakeExercisePerformanceReferenceRepository
 
 final class _FakeActiveSessionRepository implements ActiveSessionRepository {
   ActiveWorkoutSession? session;
+  Future<void>? findByIdBlocker;
   final results = <ActiveSetResult>[];
   final restStates = <ActiveRestState>[];
   final scoreStopwatchStates = <ActiveScoreStopwatchState>[];
@@ -2688,6 +2744,7 @@ final class _FakeActiveSessionRepository implements ActiveSessionRepository {
 
   @override
   Future<ActiveWorkoutSession?> findById(String id) async {
+    await findByIdBlocker;
     return session?.metadata.id == id ? session : null;
   }