Feat: crash bugfixes

src/engine/audio.rs

@@ -320,7 +320,7 @@ pub fn build_stream(
     let sample_rate = default_config.sample_rate() as f32;
 
     let max_channels = doux::audio::max_output_channels(&device);
-    let channels = config.channels.min(max_channels);
+    let channels = config.channels.min(max_channels).max(2);
 
     let host_name = doux::audio::preferred_host().id().name().to_string();
     let is_jack = host_name.to_lowercase().contains("jack");