Expose radio VAD gain limit in Android settings

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

@@ -570,6 +570,7 @@ private fun RadioSettingsTab() {
         var vadEnabled by remember { mutableStateOf(provider.getInt("radio.vad_enabled") != 0) }
         var vadThreshold by remember { mutableStateOf(provider.getInt("radio.vad_threshold")) }
         var vadHangover by remember { mutableStateOf(provider.getInt("radio.vad_hangover_ms")) }
+        var vadCompMaxGain by remember { mutableStateOf(provider.getInt("radio.vad_compressor_max_gain_db")) }
         val vadActive by RadioAudioEngine.instance().vadActiveFlow.collectAsState()
         Text(stringResource(R.string.radio_vad), style = MaterialTheme.typography.titleMedium)
         Row(verticalAlignment = Alignment.CenterVertically) {
@@ -604,6 +605,15 @@ private fun RadioSettingsTab() {
                     RadioAudioEngine.instance().reconfigure()
                 }
             })
+        LabeledSlider(stringResource(R.string.vad_max_gain), vadCompMaxGain.toFloat(), 1f..60f, 58, "${vadCompMaxGain} dB",
+            { vadCompMaxGain = it.toInt() }, onValueChangeFinished = {
+                scope.launch {
+                    provider.setValue("radio.vad_compressor_max_gain_db", vadCompMaxGain.toString())
+                    NativeLib.setChatSetting("radio_vad_compressor_max_gain_db", vadCompMaxGain.toString())
+                    RadioAudioEngine.instance().reconfigure()
+                }
+            })
+        Text(stringResource(R.string.vad_compressor_hint), style = MaterialTheme.typography.bodySmall)
         HorizontalDivider(Modifier.padding(vertical = 4.dp))
 
         /* ── Volume-кнопки PTT ── */