chatgui settings: add Database tab with integrity check (quick/full) and optimize

tools/chatgui/src/settingsdialog.cpp

@@ -1,8 +1,10 @@
 // settingsdialog.cpp — Settings dialog with category list
 #include "settingsdialog.h"
 #include "networksettingspage.h"
+#include "databasesettingspage.h"
 #include "../transport/gui_bridge.h"
 #include "../../lib/mem.h"
+#include "../db/db_manager.h"
 extern "C" {
 #include "../transport/chat_core.h"
 }
@@ -15,12 +17,12 @@ extern "C" {
 #include <QFile>
 #include <QTextStream>
 
-SettingsDialog::SettingsDialog(const QString& configPath, QWidget* parent)
+SettingsDialog::SettingsDialog(const QString& configPath, DbManager* db, QWidget* parent)
     : QDialog(parent)
     , m_configPath(configPath)
 {
     setWindowTitle("Settings");
-    setMinimumSize(560, 380);
+    setMinimumSize(560, 460);
     setModal(true);
 
     auto* mainLayout = new QHBoxLayout(this);
@@ -37,6 +39,7 @@ SettingsDialog::SettingsDialog(const QString& configPath, QWidget* parent)
         "QListWidget::item:selected { background: #3390EC; color: white; }");
     m_categoryList->addItem("Profile");
     m_categoryList->addItem("Network");
+    m_categoryList->addItem("Database");
     mainLayout->addWidget(m_categoryList);
 
     // --- Right panel: stacked pages ---
@@ -64,6 +67,10 @@ SettingsDialog::SettingsDialog(const QString& configPath, QWidget* parent)
     // Network page
     m_networkPage = new NetworkSettingsPage(m_pages);
     m_pages->addWidget(m_networkPage);
+
+    // Database page
+    m_databasePage = new DatabaseSettingsPage(db, m_pages);
+    m_pages->addWidget(m_databasePage);
     rightLayout->addWidget(m_pages, 1);
 
     // --- Bottom buttons ---