Implement SQLite-backed profile CRUD in Profiles window

src/profiles_window.h

@@ -3,7 +3,10 @@
 
 #include <QMainWindow>
 #include <QString>
+#include <QtGlobal>
 
+#include <memory>
+#include <optional>
 #include <QPointer>
 #include <vector>
 
@@ -12,6 +15,7 @@ class QListWidgetItem;
 class QLineEdit;
 class QPushButton;
 class SessionWindow;
+class ProfileRepository;
 
 class ProfilesWindow : public QMainWindow
 {
@@ -19,6 +23,7 @@ class ProfilesWindow : public QMainWindow
 
 public:
     explicit ProfilesWindow(QWidget* parent = nullptr);
+    ~ProfilesWindow() override;
 
 private:
     QLineEdit* m_searchBox;
@@ -27,10 +32,14 @@ private:
     QPushButton* m_editButton;
     QPushButton* m_deleteButton;
     std::vector<QPointer<SessionWindow>> m_sessionWindows;
+    std::unique_ptr<ProfileRepository> m_repository;
 
     void setupUi();
-    void populateSampleProfiles();
-    void filterProfiles(const QString& query);
+    void loadProfiles(const QString& query = QString());
+    std::optional<qint64> selectedProfileId() const;
+    void createProfile();
+    void editSelectedProfile();
+    void deleteSelectedProfile();
     void openSessionForItem(QListWidgetItem* item);
 };