added a network speed monitor widget

Modules/Settings/TopBarTab.qml

@@ -132,6 +132,14 @@ Item {
             "description": "Visual divider between widgets",
             "icon": "remove",
             "enabled": true
+        },
+        {
+            "id": "network_speed_monitor",
+            "text": "Network Speed Monitor",
+            "description": "Network download and upload speed display",
+            "icon": "network_check",
+            "warning": !DgopService.dgopAvailable ? "Requires 'dgop' tool" : undefined,
+            "enabled": DgopService.dgopAvailable
         }]
     property var defaultLeftWidgets: [{
             "id": "launcherButton",

Modules/Settings/WidgetsTab.qml

@@ -131,6 +131,13 @@ Item {
             "description": "Visual divider between widgets",
             "icon": "remove",
             "enabled": true
+        }, {
+            "id": "network_speed_monitor",
+            "text": "Network Speed Monitor",
+            "description": "Network download and upload speed display",
+            "icon": "network_check",
+            "warning": !DgopService.dgopAvailable ? "Requires 'dgop' tool" : undefined,
+            "enabled": DgopService.dgopAvailable
         }]
     property var defaultLeftWidgets: [{
             "id": "launcherButton",

Modules/TopBar/NetworkMonitor.qml

@@ -0,0 +1,115 @@
+import QtQuick
+import QtQuick.Controls
+import qs.Common
+import qs.Services
+import qs.Widgets
+import qs.Modules.ProcessList
+
+Rectangle {
+    id: root
+
+    property int availableWidth: 400
+    readonly property int baseWidth: contentRow.implicitWidth + Theme.spacingS * 2
+    readonly property int maxNormalWidth: 456
+
+    function formatNetworkSpeed(bytesPerSec) {
+        if (bytesPerSec < 1024)
+            return bytesPerSec.toFixed(0) + " B/s"
+        else if (bytesPerSec < 1024 * 1024)
+            return (bytesPerSec / 1024).toFixed(1) + " KB/s"
+        else if (bytesPerSec < 1024 * 1024 * 1024)
+            return (bytesPerSec / (1024 * 1024)).toFixed(1) + " MB/s"
+        else
+            return (bytesPerSec / (1024 * 1024 * 1024)).toFixed(1) + " GB/s"
+    }
+
+    readonly property real horizontalPadding: SettingsData.topBarNoBackground ? 0 : Math.max(Theme.spacingXS, Theme.spacingS * (widgetHeight / 30))
+
+    width: contentRow.implicitWidth + horizontalPadding * 2
+    height: widgetHeight
+    radius: SettingsData.topBarNoBackground ? 0 : Theme.cornerRadius
+    
+    color: {
+        if (SettingsData.topBarNoBackground) return "transparent"
+        const baseColor = networkArea.containsMouse ? Theme.primaryPressed : Theme.secondaryHover
+        return Qt.rgba(baseColor.r, baseColor.g, baseColor.b,
+                       baseColor.a * Theme.widgetTransparency)
+    }
+
+    Component.onCompleted: {
+        DgopService.addRef(["network"])
+    }
+
+    Component.onDestruction: {
+        DgopService.removeRef(["network"])
+    }
+
+    MouseArea {
+        id: networkArea
+
+        anchors.fill: parent
+        hoverEnabled: true
+        cursorShape: Qt.PointingHandCursor
+    }
+
+    Row {
+        id: contentRow
+
+        anchors.centerIn: parent
+        spacing: Theme.spacingS
+
+        DankIcon {
+            name: "network_check"
+            size: Theme.iconSize - 8
+            color: Theme.surfaceText
+            anchors.verticalCenter: parent.verticalCenter
+        }
+
+        Row {
+            anchors.verticalCenter: parent.verticalCenter
+            spacing: 4
+
+            StyledText {
+                text: "↓"
+                font.pixelSize: Theme.fontSizeSmall
+                color: Theme.info
+            }
+
+            StyledText {
+                text: DgopService.networkRxRate > 0 ? formatNetworkSpeed(
+                                                          DgopService.networkRxRate) : "0 B/s"
+                font.pixelSize: Theme.fontSizeSmall
+                font.weight: Font.Medium
+                color: Theme.surfaceText
+                anchors.verticalCenter: parent.verticalCenter
+            }
+        }
+
+        Row {
+            anchors.verticalCenter: parent.verticalCenter
+            spacing: 4
+
+            StyledText {
+                text: "↑"
+                font.pixelSize: Theme.fontSizeSmall
+                color: Theme.error
+            }
+
+            StyledText {
+                text: DgopService.networkTxRate > 0 ? formatNetworkSpeed(
+                                                          DgopService.networkTxRate) : "0 B/s"
+                font.pixelSize: Theme.fontSizeSmall
+                font.weight: Font.Medium
+                color: Theme.surfaceText
+                anchors.verticalCenter: parent.verticalCenter
+            }
+        }
+    }
+
+    Behavior on color {
+        ColorAnimation {
+            duration: Theme.shortDuration
+            easing.type: Theme.standardEasing
+        }
+    }
+}

Modules/TopBar/TopBar.qml

@@ -335,6 +335,8 @@ PanelWindow {
                             return true
                         case "separator":
                             return true
+                        case "network_speed_monitor":
+                            return DgopService.dgopAvailable
                         default:
                             return false
                         }
@@ -382,6 +384,8 @@ PanelWindow {
                             return spacerComponent
                         case "separator":
                             return separatorComponent
+                        case "network_speed_monitor":
+                            return networkComponent
                         default:
                             return null
                         }
@@ -945,6 +949,12 @@ PanelWindow {
                         }
                     }
 
+                    Component {
+                        id: networkComponent
+
+                        NetworkMonitor {}
+                    }
+
                     Component {
                         id: notificationButtonComponent