feat: integrate chat voice and diagnostics client

crates/chanora_audio/src/sdl_output.rs

@@ -136,15 +136,6 @@ impl SdlOutput {
             _subsystem: subsystem,
         })
     }
-
-    /// Pause the SDL device. Used by the engine on hard mute /
-    /// shutdown if we ever want to stop the callback firing while
-    /// keeping the device handle alive. Not currently invoked —
-    /// the engine drops `SdlOutput` entirely on stop.
-    #[allow(dead_code)]
-    pub fn pause(&self) {
-        self.device.pause();
-    }
 }
 
 impl Drop for SdlOutput {