fix: refine linux voice runtime behavior

core/chanora_core/src/lib.rs

@@ -1234,11 +1234,11 @@ impl ChanoraSession {
                 audio.set_output_muted(muted);
             }
         }
-        // Input mute must also stop local outbound voice production
-        // so the transmit selector stays in sync with the server-side
-        // mic mute. Output mute is playback-only and must not affect
-        // the mic gate.
-        let mic_disabled = state.local_input_muted;
+        // Muting the speaker is treated as a local deafen: it must
+        // also clamp microphone TX so users cannot keep talking while
+        // unable to hear replies. This does not send server-side
+        // input-mute; it only drives the local transmit gate.
+        let mic_disabled = state.local_input_muted || state.local_output_muted;
         self.voice_selector.set_hard_mute(mic_disabled);
         Ok(())
     }