refactor: Restructure project into sources/tests layout and dissolve PluginLLMCore

sources/UIControls/qml/QoAToolTip.qml

@@ -0,0 +1,69 @@
+// Copyright (C) 2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+import QtQuick
+import QtQuick.Controls
+
+ToolTip {
+    id: root
+
+    padding: 8
+
+    contentItem: Text {
+        text: root.text
+        font: root.font
+        color: palette.toolTipText
+        wrapMode: Text.Wrap
+    }
+
+    background: Item {
+        implicitWidth: bg.implicitWidth
+        implicitHeight: bg.implicitHeight
+
+        Rectangle {
+            anchors.fill: bg
+            anchors.margins: -2
+            color: Qt.rgba(palette.shadow.r, palette.shadow.g, palette.shadow.b, 0.12)
+            radius: 8
+            z: -2
+        }
+
+        Rectangle {
+            anchors.fill: bg
+            anchors.margins: -1
+            color: Qt.rgba(palette.shadow.r, palette.shadow.g, palette.shadow.b, 0.08)
+            radius: 7
+            z: -1
+        }
+
+        Rectangle {
+            id: bg
+            anchors.fill: parent
+            color: palette.toolTipBase
+            border.color: Qt.darker(palette.toolTipBase, 1.2)
+            border.width: 1
+            radius: 6
+        }
+    }
+
+    enter: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 0.0
+            to: 1.0
+            duration: 150
+            easing.type: Easing.OutQuad
+        }
+    }
+
+    exit: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 1.0
+            to: 0.0
+            duration: 100
+            easing.type: Easing.InQuad
+        }
+    }
+}