Quickshell qstr seems not to be working, trying to implement custom translation

Add Chinese (zh_CN) translations for Quickshell interface and settings

.config/quickshell/modules/common/widgets/NotificationItem.qml

@@ -97,7 +97,7 @@ Item { // Notification item area
         onPressAndHold: (mouse) => {
             if (mouse.button === Qt.LeftButton) {
                 Hyprland.dispatch(`exec wl-copy '${StringUtils.shellSingleQuoteEscape(notificationObject.body)}'`)
-                notificationSummaryText.text = String.format(qsTr("{0} (copied)"), notificationObject.summary)
+                notificationSummaryText.text = String.format(Translation.tr("{0} (copied)"), notificationObject.summary)
             }
         }
         onDraggingChanged: () => {
@@ -257,7 +257,7 @@ Item { // Notification item area
 
                         NotificationActionButton {
                             Layout.fillWidth: true
-                            buttonText: qsTr("Close")
+                            buttonText: Translation.tr("Close")
                             urgency: notificationObject.urgency
                             implicitWidth: (notificationObject.actions.length == 0) ? ((actionsFlickable.width - actionRowLayout.spacing) / 2) : 
                                 (contentItem.implicitWidth + leftPadding + rightPadding)

.config/quickshell/modules/common/widgets/PrimaryTabBar.qml

@@ -1,4 +1,5 @@
 import "root:/modules/common"
+import "root:/services/"
 import QtQuick
 import QtQuick.Controls
 import QtQuick.Layouts
@@ -7,7 +8,7 @@ import Quickshell
 ColumnLayout {
     id: root
     spacing: 0
-    required property var tabButtonList // Something like [{"icon": "notifications", "name": qsTr("Notifications")}, {"icon": "volume_up", "name": qsTr("Volume mixer")}]
+    required property var tabButtonList // Something like [{"icon": "notifications", "name": Translation.tr("Notifications")}, {"icon": "volume_up", "name": Translation.tr("Volume mixer")}]
     required property var externalTrackedTab
     property bool enableIndicatorAnimation: false
     property color colIndicator: Appearance?.colors.colPrimary ?? "#65558F"

.config/quickshell/modules/common/widgets/SelectionDialog.qml

@@ -1,6 +1,7 @@
 import "root:/modules/common"
 import "root:/modules/common/widgets"
 import "root:/services"
+import "root:/services/"
 import Qt5Compat.GraphicalEffects
 import QtQuick
 import QtQuick.Controls
@@ -113,11 +114,11 @@ Item {
                 Layout.alignment: Qt.AlignRight
 
                 DialogButton {
-                    buttonText: qsTr("Cancel")
+                    buttonText: Translation.tr("Cancel")
                     onClicked: root.canceled()
                 }
                 DialogButton {
-                    buttonText: qsTr("OK")
+                    buttonText: Translation.tr("OK")
                     onClicked: root.selected(
                         root.selectedId === -1 ? null :
                         root.items[root.selectedId]