use qsTr (for translations later)

.config/quickshell/modules/sidebarRight/quickToggles/BluetoothToggle.qml

@@ -39,7 +39,7 @@ QuickToggleButton {
     }
     StyledToolTip {
         content: `${(Bluetooth.bluetoothEnabled && Bluetooth.bluetoothDeviceName.length > 0) ? 
-            Bluetooth.bluetoothDeviceName : "Bluetooth"} | Right-click to configure`
+            Bluetooth.bluetoothDeviceName : "Bluetooth"} | ${qsTr("Right-click to configure")}`
 
     }
 }

.config/quickshell/modules/sidebarRight/quickToggles/GameMode.qml

@@ -25,6 +25,6 @@ QuickToggleButton {
         command: ['bash', '-c', `hyprctl reload`]
     }
     StyledToolTip {
-        content: "Game mode"
+        content: qsTr("Game mode")
     }
 }

.config/quickshell/modules/sidebarRight/quickToggles/IdleInhibitor.qml

@@ -15,6 +15,6 @@ QuickToggleButton {
         command: ["bash", "-c", "${XDG_CONFIG_HOME:-$HOME/.config}/quickshell/scripts/wayland-idle-inhibitor.py"]
     }
     StyledToolTip {
-        content: "Keep system awake"
+        content: qsTr("Keep system awake")
     }
 }

.config/quickshell/modules/sidebarRight/quickToggles/NightLight.qml

@@ -37,6 +37,6 @@ QuickToggleButton {
         }
     }
     StyledToolTip {
-        content: "Night Light"
+        content: qsTr("Night Light")
     }
 }