Keep live decoding low latency and preserve publisher stop controls

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/StreamScreen.kt

@@ -82,6 +82,8 @@ fun StreamScreen(channelId: String, channelName: String, sources: List<StreamSou
                     key(group, selected.id, selected.epoch) { LiveStreamView(group, selected.id, selected.epoch, selected.self) }
                 }
                 TextButton(onClick = { onSelect(null); onBack() }) { Text(stringResource(R.string.stream_close_view)) }
+                if (selected.self && local?.ongoing == true) Button(onClick = StreamController::stop,
+                    enabled = local.phase != StreamPhase.STOPPING) { Text(stringResource(R.string.stream_stop)) }
                 return@Column
             }
             if (local?.ongoing == true) {