Persist theme preference, dynamic auto theme with matugen

Common/Prefs.qml

@@ -0,0 +1,49 @@
+pragma Singleton
+import QtQuick
+import Qt.labs.settings
+import Quickshell
+
+Singleton {
+    id: root
+    
+    property alias themeIndex: settings.themeIndex
+    property alias themeIsDynamic: settings.themeIsDynamic
+    
+    Settings {
+        id: settings
+        category: "theme"
+        
+        // 0-9 = built-in static themes, 10 = Auto (dynamic)
+        property int themeIndex: 0
+        property bool themeIsDynamic: false
+    }
+    
+    // Apply theme when component is ready
+    Component.onCompleted: {
+        console.log("Prefs Component.onCompleted - themeIndex:", settings.themeIndex, "isDynamic:", settings.themeIsDynamic)
+        Qt.callLater(applyStoredTheme)
+    }
+    
+    function applyStoredTheme() {
+        console.log("Applying stored theme:", settings.themeIndex, settings.themeIsDynamic)
+        
+        // Make sure Theme is available
+        if (typeof Theme !== "undefined") {
+            Theme.switchTheme(settings.themeIndex, settings.themeIsDynamic, false)  // Don't save during startup
+        } else {
+            // Try again in a moment
+            Qt.callLater(() => {
+                if (typeof Theme !== "undefined") {
+                    Theme.switchTheme(settings.themeIndex, settings.themeIsDynamic, false)  // Don't save during startup
+                }
+            })
+        }
+    }
+    
+    function setTheme(index, isDynamic) {
+        console.log("Prefs setTheme called - themeIndex:", index, "isDynamic:", isDynamic)
+        settings.themeIndex = index
+        settings.themeIsDynamic = isDynamic
+        console.log("Prefs saved - themeIndex:", settings.themeIndex, "isDynamic:", settings.themeIsDynamic)
+    }
+}