refactor: replace keybind toggle with config checkbox for skeleton visibility

Removes the pynput/curl-based shortcut approach in favour of a plain
Plasma wallpaper config checkbox (ShowSkeleton). QML reads the setting
on page load and on change, calling setShowSkeleton() in JS directly.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

plugin/contents/config/main.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kcfg xmlns="http://www.kde.org/standards/kcfg/1.0"
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://www.kde.org/standards/kcfg/1.0
+                          http://www.kde.org/standards/kcfg/1.0/kcfg.xsd">
+  <kcfgfile name=""/>
+  <group name="General">
+    <entry name="ShowSkeleton" type="Bool">
+      <default>true</default>
+    </entry>
+  </group>
+</kcfg>

plugin/contents/ui/config.qml

@@ -0,0 +1,22 @@
+import QtQuick 2.15
+import QtQuick.Controls 2.15
+import QtQuick.Layouts 1.15
+import org.kde.kirigami 2.20 as Kirigami
+
+ColumnLayout {
+    id: root
+
+    property alias cfg_ShowSkeleton: skeletonCheck.checked
+
+    spacing: Kirigami.Units.largeSpacing
+
+    Kirigami.FormLayout {
+        Layout.fillWidth: true
+
+        CheckBox {
+            id: skeletonCheck
+            Kirigami.FormData.label: i18n("Esqueleto:")
+            text: i18n("Mostrar o robô dançando")
+        }
+    }
+}

plugin/contents/ui/dancer.html

@@ -1172,12 +1172,19 @@ function applyTheme(rgb) {
   });
 }
 
-const albumArtEl  = document.getElementById('albumArt');
+const albumArtEl   = document.getElementById('albumArt');
-const fogWisps    = document.querySelectorAll('.fog-wisp');
+const fogWisps     = document.querySelectorAll('.fog-wisp');
 const lyricDisplay = document.getElementById('lyricDisplay');
 const lyricInner   = document.getElementById('lyricInner');
+const robotWrap    = document.querySelector('.robot-wrap');
 
-let lastArtUrl = '';
+let lastArtUrl    = '';
+let showSkeleton  = true;
+
+function setShowSkeleton(val) {
+  showSkeleton = val;
+  robotWrap.style.opacity = (isPlaying && showSkeleton) ? '1' : '0';
+}
 
 /* ── verse display ── */
 const ACTIVE_SHADOW =
@@ -1340,7 +1347,7 @@ function updateMusic(artist, title) {
   const sepEl   = document.getElementById('musicSep');
   const playing = !!(artist || title);
   isPlaying = playing;
-  document.querySelector('.robot-wrap').style.opacity = playing ? '1' : '0';
+  robotWrap.style.opacity = (playing && showSkeleton) ? '1' : '0';
   document.querySelector('.music-ticker').style.opacity = playing ? '1' : '0';
   albumArtEl.style.opacity = playing ? '1' : '0';
   if (!playing) {

plugin/contents/ui/main.qml

@@ -7,6 +7,15 @@ import org.kde.plasma.plasma5support as Plasma5Support
 WallpaperItem {
     id: root
 
+    function applyConfig() {
+        webView.runJavaScript("setShowSkeleton(" + Plasmoid.configuration.ShowSkeleton + ")")
+    }
+
+    Connections {
+        target: Plasmoid.configuration
+        function onShowSkeletonChanged() { applyConfig() }
+    }
+
     WebEngineView {
         id: webView
         anchors.fill: parent
@@ -24,6 +33,10 @@ WallpaperItem {
             request.accepted = true
         }
 
+        onLoadingChanged: function(loadRequest) {
+            if (loadRequest.status === WebEngineLoadRequest.LoadSucceededStatus)
+                applyConfig()
+        }
     }
 
     // Start CAVA on load