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

sources/settings/StatusDot.hpp

@@ -0,0 +1,44 @@
+// Copyright (C) 2024-2026 Petr Mironychev
+// SPDX-License-Identifier: GPL-3.0-or-later
+// Additional attribution terms under GPLv3 §7(b) apply — see LICENSE
+
+#pragma once
+
+#include <QColor>
+#include <QPainter>
+#include <QWidget>
+
+namespace QodeAssist::Settings {
+
+class StatusDot : public QWidget
+{
+public:
+    explicit StatusDot(QWidget *parent = nullptr)
+        : QWidget(parent)
+    {
+        setFixedSize(12, 12);
+    }
+
+    void setColor(const QColor &color)
+    {
+        if (m_color == color)
+            return;
+        m_color = color;
+        update();
+    }
+
+protected:
+    void paintEvent(QPaintEvent *) override
+    {
+        QPainter p(this);
+        p.setRenderHint(QPainter::Antialiasing);
+        p.setPen(Qt::NoPen);
+        p.setBrush(m_color);
+        p.drawEllipse(rect().adjusted(2, 2, -2, -2));
+    }
+
+private:
+    QColor m_color{Qt::gray};
+};
+
+} // namespace QodeAssist::Settings