Milestone 8 UX: folder tree workflows, about dialog, and app icon polish

src/profile_dialog.h

@@ -6,6 +6,7 @@
 #include <QDialog>
 
 class QComboBox;
+class QLabel;
 class QLineEdit;
 class QPushButton;
 class QSpinBox;
@@ -18,6 +19,7 @@ public:
     explicit ProfileDialog(QWidget* parent = nullptr);
 
     void setDialogTitle(const QString& title);
+    void setDefaultFolderPath(const QString& folderPath);
     void setProfile(const Profile& profile);
     Profile profile() const;
 
@@ -30,6 +32,7 @@ private:
     QSpinBox* m_portInput;
     QLineEdit* m_usernameInput;
     QLineEdit* m_domainInput;
+    QLineEdit* m_tagsInput;
     QComboBox* m_protocolInput;
     QComboBox* m_authModeInput;
     QLineEdit* m_privateKeyPathInput;
@@ -37,6 +40,9 @@ private:
     QComboBox* m_knownHostsPolicyInput;
     QComboBox* m_rdpSecurityModeInput;
     QComboBox* m_rdpPerformanceProfileInput;
+    QLabel* m_protocolHint;
+    QLabel* m_folderHint;
+    QString m_defaultFolderPath;
 
     void refreshAuthFields();
 };