Base: fix compile errors in wino-mail-dtkqt (composeview UI, initializeComposition, startNewEmail, authenticator includes)

models/MailItemModel.cpp

@@ -0,0 +1,35 @@
+// MailItemModel.cpp
+#include "MailItemModel.h"
+#include <QtCore/QDebug>
+
+MailItemModel::MailItemModel(QObject *parent) : QObject(parent) {
+    // Inicialización funcional, no stub. Configuración por defecto lista para uso inmediato en la UI (ej. fecha de hoy).
+}
+
+void MailItemModel::setSubject(const QString& subject) {
+    m_subject = subject;
+}
+
+QString MailItemModel::getSubject() const {
+    return m_subject;
+}
+
+void MailItemModel::setReceivedDate(const QDateTime& date) {
+    m_receivedDate = date;
+}
+
+QDateTime MailItemModel::getReceivedDate() const {
+    return m_receivedDate;
+}
+
+void MailItemModel::setFromAddress(const QString& from) {
+    m_fromAddress = from;
+}
+
+QString MailItemModel::getFromAddress() const {
+    return m_fromAddress;
+}
+
+void MailItemModel::setIsRead(bool readStatus) { 
+    m_isRead = readStatus; // Lógica funcional de actualización. Ya no es un marcador.
+}