OSD: add overdrive display

Volume/Microphone: allow overdrive, clamp to 100/150% max
AudioService: properly clamp to 100/150% (not only visually)

Modules/Bar/Widgets/Microphone.qml

@@ -134,12 +134,20 @@ Item {
     icon: AudioService.getInputIcon()
     density: Settings.data.bar.density
     autoHide: false // Important to be false so we can hover as long as we want
-    text: Math.round(AudioService.inputVolume * 100)
+    text: {
+      const maxVolume = Settings.data.audio.volumeOverdrive ? 1.5 : 1.0;
+      const displayVolume = Math.min(maxVolume, AudioService.inputVolume);
+      return Math.round(displayVolume * 100);
+    }
     suffix: "%"
     forceOpen: displayMode === "alwaysShow"
     forceClose: displayMode === "alwaysHide"
     tooltipText: I18n.tr("tooltips.microphone-volume-at", {
-                           "volume": Math.round(AudioService.inputVolume * 100)
+                           "volume": (() => {
+                             const maxVolume = Settings.data.audio.volumeOverdrive ? 1.5 : 1.0;
+                             const displayVolume = Math.min(maxVolume, AudioService.inputVolume);
+                             return Math.round(displayVolume * 100);
+                           })()
                          })
 
     onWheel: function (delta) {

Modules/Bar/Widgets/Volume.qml

@@ -117,12 +117,20 @@ Item {
     oppositeDirection: BarService.getPillDirection(root)
     icon: AudioService.getOutputIcon()
     autoHide: false // Important to be false so we can hover as long as we want
-    text: Math.round(AudioService.volume * 100)
+    text: {
+      const maxVolume = Settings.data.audio.volumeOverdrive ? 1.5 : 1.0;
+      const displayVolume = Math.min(maxVolume, AudioService.volume);
+      return Math.round(displayVolume * 100);
+    }
     suffix: "%"
     forceOpen: displayMode === "alwaysShow"
     forceClose: displayMode === "alwaysHide"
     tooltipText: I18n.tr("tooltips.volume-at", {
-                           "volume": Math.round(AudioService.volume * 100)
+                           "volume": (() => {
+                             const maxVolume = Settings.data.audio.volumeOverdrive ? 1.5 : 1.0;
+                             const displayVolume = Math.min(maxVolume, AudioService.volume);
+                             return Math.round(displayVolume * 100);
+                           })()
                          })
 
     onWheel: function (delta) {

Modules/OSD/OSD.qml

@@ -73,13 +73,27 @@ Variants {
     function getDisplayPercentage() {
       const value = getCurrentValue();
       const max = getMaxValue();
+      if ((currentOSDType === "volume" || currentOSDType === "inputVolume") && Settings.data.audio.volumeOverdrive) {
+        const pct = Math.round(value * 100);
+        return pct + "%";
+      }
       const pct = Math.round(Math.min(max, value) * 100);
       return pct + "%";
     }
 
     function getProgressColor() {
       const isMutedState = (currentOSDType === "volume" && isMuted) || (currentOSDType === "inputVolume" && isInputMuted);
-      return isMutedState ? Color.mError : Color.mPrimary;
+      if (isMutedState) {
+        return Color.mError;
+      }
+      // When volumeOverdrive is enabled, show error color if volume is above 100%
+      if ((currentOSDType === "volume" || currentOSDType === "inputVolume") && Settings.data.audio.volumeOverdrive) {
+        const value = getCurrentValue();
+        if (value > 1.0) {
+          return Color.mError;
+        }
+      }
+      return Color.mPrimary;
     }
 
     function getIconColor() {