fix: add back navigation from EventDetailScreen to Schedule

composeApp/src/commonMain/kotlin/ch/parano/myice/App.kt

@@ -71,6 +71,7 @@ fun App(
                 account = screen.account,
                 eventTitle = screen.eventTitle,
                 viewModel = eventDetailViewModel,
+                onBack = { currentScreen = Screen.Schedule },
             )
         }
     }

composeApp/src/commonMain/kotlin/ch/parano/myice/ui/screens/EventDetailScreen.kt

@@ -36,6 +36,7 @@ fun EventDetailScreen(
     account: String,
     eventTitle: String,
     viewModel: EventDetailViewModel,
+    onBack: () -> Unit,
     modifier: Modifier = Modifier,
 ) {
     LaunchedEffect(gameId, account) {
@@ -46,7 +47,14 @@ fun EventDetailScreen(
 
     Scaffold(
         topBar = {
-            TopAppBar(title = { Text(eventTitle) })
+            TopAppBar(
+                title = { Text(eventTitle) },
+                navigationIcon = {
+                    androidx.compose.material3.TextButton(onClick = onBack) {
+                        Text("Retour")
+                    }
+                },
+            )
         },
         modifier = modifier,
     ) { padding ->