use uv to run test, more fixes

tests/testapp/main.qml

@@ -0,0 +1,93 @@
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+
+ApplicationWindow {
+    visible: true
+    width: 600
+    height: 500
+    title: "GammaRay MCP Test App"
+
+    ColumnLayout {
+        anchors.fill: parent
+        anchors.margins: 8
+        spacing: 5
+
+        // Row of buttons at the top
+        RowLayout {
+            spacing: 6
+            Button { text: "Add Item"; onClicked: listModel.append({ name: "Item " + (listModel.count + 1) }) }
+            Button { text: "Remove Item"; onClicked: { if (listModel.count > 0) listModel.remove(listModel.count - 1) } }
+            Button { text: "Force Layout"; onClicked: listView.forceLayout() }
+        }
+
+        // Switch to toggle visibility
+        RowLayout {
+            spacing: 6
+            Label { text: "Show ListView:" }
+            Switch {
+                id: visibilitySwitch
+                checked: true
+                onCheckedChanged: listView.visible = checked
+            }
+            Label { text: "Opacity:" }
+            Slider {
+                id: opacitySlider
+                from: 0.0; to: 1.0; value: 1.0
+                onValueChanged: listView.opacity = value
+            }
+        }
+
+        // ListView with delegate items
+        Rectangle {
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            color: "#f0f0f0"
+            radius: 4
+            border.color: "#ccc"
+            border.width: 1
+
+            ListView {
+                id: listView
+                anchors.fill: parent
+                anchors.margins: 4
+                model: ListModel {
+                    id: listModel
+                    ListElement { name: "Alpha" }
+                    ListElement { name: "Beta" }
+                    ListElement { name: "Gamma" }
+                    ListElement { name: "Delta" }
+                }
+                delegate: Rectangle {
+                    width: parent.width
+                    height: 32
+                    color: index % 2 === 0 ? "#ffffff" : "#f5f5f5"
+                    border.color: "#ddd"
+                    border.width: 1
+                    radius: 2
+
+                    Text {
+                        anchors.centerIn: parent
+                        text: model.name
+                        font.pixelSize: 14
+                    }
+                }
+            }
+        }
+
+        // Bottom status bar
+        Rectangle {
+            Layout.fillWidth: true
+            Layout.preferredHeight: 24
+            color: "#e0e0e0"
+            radius: 2
+
+            Text {
+                anchors.centerIn: parent
+                text: "Items: " + listModel.count + "  |  Visible: " + listView.visible
+                font.pixelSize: 11
+                color: "#666"
+            }
+        }
+    }
+}