shell/applets/BluetoothApplet.qml

@@ -5,9 +5,6 @@ Column {
     id: root
 
     required property color accentColor
-    property bool active: true
-    onActiveChanged: if (active)
-        S.BluetoothService.refresh()
 
     Repeater {
         model: S.BluetoothService.devices

shell/applets/CpuApplet.qml

@@ -12,19 +12,6 @@ Column {
 
     property bool active: true
 
-    property bool _coreActive: false
-    onActiveChanged: {
-        if (active && !_coreActive) {
-            _coreActive = true;
-            S.SystemStats.coreConsumers++;
-        } else if (!active && _coreActive) {
-            _coreActive = false;
-            S.SystemStats.coreConsumers--;
-        }
-    }
-    Component.onDestruction: if (_coreActive)
-        S.SystemStats.coreConsumers--
-
     // Per-core rows
     Repeater {
         model: root.cores.length

shell/applets/NetworkApplet.qml

@@ -5,9 +5,6 @@ Column {
     id: root
 
     required property color accentColor
-    property bool active: true
-    onActiveChanged: if (active)
-        S.NetworkService.refresh()
 
     Repeater {
         model: S.NetworkService.networks

shell/dock/AppletDock.qml

@@ -251,7 +251,7 @@ PanelWindow {
                     devices: S.SystemStats.tempDevices
                     accentColor: root._accent
                     deviceFilter: S.Modules.temperature.device || ""
-                    active: parent.expanded
+                    active: parent.parent.expanded
                 }
             }
 
@@ -296,7 +296,6 @@ PanelWindow {
                 C.NetworkApplet {
                     width: parent.width
                     accentColor: root._accent
-                    active: parent.expanded
                 }
             }
 
@@ -311,7 +310,6 @@ PanelWindow {
                 C.BluetoothApplet {
                     width: parent.width
                     accentColor: root._accent
-                    active: parent.expanded
                 }
             }
 
@@ -376,7 +374,6 @@ PanelWindow {
                     players: S.MprisService.players
                     playing: S.MprisService.playing
                     accentColor: root._accent
-                    cachedArt: S.MprisService.cachedArt
                     playerIdx: S.MprisService.playerIdx
                     onPlayerSwitched: idx => S.MprisService.switchPlayer(idx)
                 }

shell/dock/DockCard.qml

@@ -89,10 +89,9 @@ Rectangle {
         }
     }
 
-    // Content area - expanded propagated so children can bind `active: parent.expanded`
+    // Content area
     Column {
         id: _contentColumn
-        property bool expanded: root.expanded
         anchors.top: _header.bottom
         anchors.topMargin: 4
         width: parent.width

shell/modules/BluetoothModule.qml

@@ -54,6 +54,9 @@ M.BarModule {
         }
     }
 
+    on_ShowPanelChanged: if (_showPanel)
+        S.BluetoothService.refresh()
+
     Connections {
         target: S.BluetoothService
         function onDevicesChanged() {

shell/modules/CpuModule.qml

@@ -27,6 +27,18 @@ M.BarModule {
     readonly property var _coreMaxFreq: S.SystemStats.cpuCoreMaxFreq
     readonly property var _coreTypes: S.SystemStats.cpuCoreTypes
 
+    property bool _coreConsumerActive: false
+
+    on_ShowPanelChanged: {
+        if (_showPanel && !_coreConsumerActive) {
+            _coreConsumerActive = true;
+            S.SystemStats.coreConsumers++;
+        } else if (!_showPanel && _coreConsumerActive) {
+            _coreConsumerActive = false;
+            S.SystemStats.coreConsumers--;
+        }
+    }
+
     property M.ProcessList _procs: M.ProcessList {
         sortBy: "cpu"
         active: root._showPanel

shell/modules/MprisModule.qml

@@ -22,7 +22,7 @@ M.BarModule {
             players: root._players
             playing: root.playing
             accentColor: root.accentColor
-            cachedArt: S.MprisService.cachedArt
+            cachedArt: root._cachedArt
             cavaBars: root._cavaBars
             playerIdx: S.MprisService.playerIdx
             onPlayerSwitched: idx => {
@@ -35,6 +35,25 @@ M.BarModule {
     readonly property var _players: S.MprisService.players
     readonly property MprisPlayer player: S.MprisService.player
     readonly property bool playing: S.MprisService.playing
+    property string _cachedArt: ""
+    property string _artTrack: ""
+
+    readonly property string _artUrl: player?.trackArtUrl ?? ""
+    readonly property string _currentTrack: player?.trackTitle ?? ""
+    on_ArtUrlChanged: if (_artUrl)
+        _cachedArt = _artUrl
+    on_CurrentTrackChanged: if (_currentTrack !== _artTrack) {
+        _artTrack = _currentTrack;
+        _cachedArt = _artUrl || "";
+    }
+
+    // Preload art while panel is hidden
+    Image {
+        visible: false
+        source: root._cachedArt
+        asynchronous: true
+    }
+
     // Cava visualizer - 16 bars, raw output mode
     property var _cavaBars: Array(16).fill(0)
     property bool _cavaActive: false

shell/modules/NetworkModule.qml

@@ -56,6 +56,9 @@ M.BarModule {
 
     readonly property string state: S.NetworkService.state
 
+    on_ShowPanelChanged: if (_showPanel)
+        S.NetworkService.refresh()
+
     Connections {
         target: S.NetworkService
         function onNetworksChanged() {

shell/services/MprisService.qml

@@ -118,18 +118,6 @@ QtObject {
             _selectedIdentity = players[chosen].identity ?? "";
     }
 
-    // Album art caching - persists across panel/dock collapse
-    property string cachedArt: ""
-    property string _artTrack: ""
-    readonly property string _artUrl: player?.trackArtUrl ?? ""
-    readonly property string _currentTrack: player?.trackTitle ?? ""
-    on_ArtUrlChanged: if (_artUrl)
-        cachedArt = _artUrl
-    on_CurrentTrackChanged: if (_currentTrack !== _artTrack) {
-        _artTrack = _currentTrack;
-        cachedArt = _artUrl || "";
-    }
-
     function switchPlayer(idx) {
         playerIdx = idx;
         if (players[idx])

test/qmllint-baseline.txt

@@ -18,6 +18,7 @@ shell/applets/PowerApplet.qml: Unqualified access [unqualified]
 shell/applets/TemperatureApplet.qml: Unqualified access [unqualified]
 shell/applets/VolumeApplet.qml: Unqualified access [unqualified]
 shell/dock/AppletDock.qml: Could not find property "top". [missing-property]
+shell/dock/AppletDock.qml: Member "expanded" not found on type "QQuickItem" [missing-property]
 shell/dock/AppletDock.qml: Type margins is used but it is not resolved [unresolved-type]
 shell/dock/AppletDock.qml: Type PanelWindow is not creatable. [uncreatable-type]
 shell/dock/AppletDock.qml: unknown grouped property scope margins. [unqualified]