Surface failed refreshes instead of swallowing them

Favourites and stream profiles were refreshed inside a bare runCatching,
so when they failed nothing was logged and the app just showed a stale
cached list. An expired login now always raises the re-login screen, even
when cached channels could still be displayed, and the settings gained a
"Senderliste neu laden" row for a manual retry.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/src/main/java/dev/castarr/tv/AppState.kt

@@ -200,8 +200,14 @@ class AppState(
         result.fold(
             onSuccess = { appError = AppError.NONE },
             onFailure = { throwable ->
-                // Cached channels keep the app usable; only surface a
-                // fullscreen state when there is nothing to show.
+                // An expired login must always surface: cached channels
+                // would otherwise sit there without EPG or favourites and
+                // nothing would say why.
+                if (throwable.message == "not logged in") {
+                    appError = AppError.RELOGIN
+                    return
+                }
+                // Otherwise cached channels keep the app usable.
                 if (activeChannels().isNotEmpty()) return
                 appError = when {
                     throwable.message == "not logged in" -> AppError.RELOGIN

app/src/main/java/dev/castarr/tv/data/DispatcharrRepository.kt

@@ -49,13 +49,20 @@ class DispatcharrRepository(context: Context, private val auth: DeviceAuth) {
         scope.launch {
             val result = runCatching {
                 status.value = "loading_channels"
+                Log.i(TAG, "refresh start (loggedIn=${auth.isLoggedIn})")
                 val token = auth.accessToken() ?: error("not logged in")
                 val groups = fetchGroups(token)
                 val list = fetchChannels(token, groups)
                 channels.value = list
                 prefs.edit().putString("channels_cache", Channel.listToJson(list).toString()).apply()
-                launch { runCatching { refreshFavorites(token) } }
-                launch { runCatching { refreshProfiles(token) } }
+                launch {
+                    runCatching { refreshFavorites(token) }
+                        .onFailure { Log.w(TAG, "favorites failed: ${it.javaClass.simpleName}: ${it.message?.take(120)}") }
+                }
+                launch {
+                    runCatching { refreshProfiles(token) }
+                        .onFailure { Log.w(TAG, "profiles failed: ${it.javaClass.simpleName}: ${it.message?.take(120)}") }
+                }
                 launch {
                     runCatching { refreshEpg(token) }
                         .onFailure { Log.w(TAG, "epg failed: ${it.javaClass.simpleName}: ${it.message?.take(160)}") }

app/src/main/java/dev/castarr/tv/ui/SettingsScreen.kt

@@ -251,6 +251,10 @@ fun SettingsScreen(state: AppState) {
                         }
                     }
                 }
+                SettingRow(
+                    "Senderliste neu laden",
+                    subtitle = "Holt Sender, Programm und Favoriten erneut",
+                ) { state.refreshActive() }
                 SettingRow(
                     "Erweitert",
                     subtitle = "M3U/EPG-Adressen von Hand eintragen",