Implement basic UI with QML (MailListPage) and batching DbChangeProcessor (Step 3-4 of transition plan)

src/core/events.h

@@ -3,9 +3,9 @@
 #include <QString>
 #include <QDateTime>
 #include <QVector>
-#include "../models/account.h"
-#include "../models/folder.h"
-#include "../core/mailitem.h"
+#include "models/account.h"
+#include "models/folder.h"
+#include "mailitem.h"
 
 namespace WinoMail {
 namespace Events {
@@ -38,7 +38,7 @@ struct FolderAddedEvent : public BaseEvent {
 };
 
 struct FolderRemovedEvent : public BaseEvent {
-    String folderId;
+    QString folderId;
 };
 
 struct FolderUpdatedEvent : public BaseEvent {
@@ -63,12 +63,12 @@ struct AccountUpdatedEvent : public BaseEvent {
 // Sync events
 struct SyncStartedEvent : public BaseEvent {
     int accountId;
-    String folderId; // Optional, empty for full account sync
+    QString folderId; // Optional, empty for full account sync
 };
 
 struct SyncFinishedEvent : public BaseEvent {
     int accountId;
-    String folderId; // Optional, empty for full account sync
+    QString folderId; // Optional, empty for full account sync
     bool success;
     QString errorMessage; // If success is false
 };

src/core/translator.h

@@ -3,9 +3,11 @@
 #include <QString>
 #include <QMap>
 #include <QMutex>
+#include <QObject>
 
-class Translator
+class Translator : public QObject
 {
+    Q_OBJECT
 public:
     static Translator& instance();
     ~Translator() = default;