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

sources/UIControls/qml/FadeListItemAnimation.qml

@@ -0,0 +1,26 @@
+// Copyright (C) 2025-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+import QtQuick
+
+ParallelAnimation {
+    id: root
+
+    property Item targetObject: parent
+
+    NumberAnimation {
+        target: root.targetObject
+        property: "opacity"
+        to: 0
+        duration: 200
+        easing.type: Easing.InQuad
+    }
+    NumberAnimation {
+        target: root.targetObject
+        property: "height"
+        to: 0
+        duration: 250
+        easing.type: Easing.InQuad
+    }
+}