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

sources/widgets/AddCustomInstructionDialog.hpp

@@ -0,0 +1,39 @@
+// 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 <QDialog>
+#include <QString>
+
+#include "CustomInstructionsManager.hpp"
+
+class QLineEdit;
+class QPlainTextEdit;
+class QCheckBox;
+
+namespace QodeAssist {
+
+class AddCustomInstructionDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit AddCustomInstructionDialog(QWidget *parent = nullptr);
+    explicit AddCustomInstructionDialog(const CustomInstruction &instruction, QWidget *parent = nullptr);
+    ~AddCustomInstructionDialog() override = default;
+
+    CustomInstruction getInstruction() const;
+
+private:
+    void setupUi();
+    
+    QLineEdit *m_nameEdit;
+    QPlainTextEdit *m_bodyEdit;
+    QCheckBox *m_defaultCheckBox;
+    CustomInstruction m_instruction;
+};
+
+} // namespace QodeAssist
+