initial commit

client/gui/main_window/RecentProjectHistory.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <QString>
+#include <QStringList>
+
+class RecentProjectHistory {
+public:
+    static constexpr int kMaxEntries = 15;
+
+    static QString cacheFilePath();
+
+    QStringList load() const;
+    bool save(const QStringList& paths) const;
+    void addAndSave(const QString& projectDir);
+    void removeAndSave(const QString& projectDir);
+
+    static QString normalizePath(const QString& path);
+
+private:
+    static QStringList dedupeNewestFirst(const QStringList& paths);
+};