[chore] standardize source file headers

apps/desktop/src/gui/application/application_state.h

@@ -1,5 +1,11 @@
-#ifndef CROSSDESK_GUI_APPLICATION_STATE_H_
-#define CROSSDESK_GUI_APPLICATION_STATE_H_
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-04
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _APPLICATION_STATE_H_
+#define _APPLICATION_STATE_H_
 
 #include <atomic>
 #include <chrono>
@@ -192,4 +198,4 @@ struct ApplicationState : MainWindowState,
 
 }  // namespace crossdesk::gui_detail
 
-#endif  // CROSSDESK_GUI_APPLICATION_STATE_H_
+#endif

apps/desktop/src/gui/application/gui_application.h

@@ -1,3 +1,9 @@
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-04
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
 #ifndef _GUI_APPLICATION_H_
 #define _GUI_APPLICATION_H_
 
@@ -94,4 +100,4 @@ private:
 
 } // namespace crossdesk
 
-#endif
+#endif

apps/desktop/src/gui/application/server_window_state.h

@@ -1,4 +1,11 @@
-#pragma once
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-04
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _SERVER_WINDOW_STATE_H_
+#define _SERVER_WINDOW_STATE_H_
 
 #include <algorithm>
 #include <iterator>
@@ -24,5 +31,6 @@ inline int ReconcileSelectedController(const std::vector<std::string>& ids,
   }
   return static_cast<int>(std::distance(ids.begin(), selected));
 }
+} // namespace crossdesk::server_window_state
 
-}  // namespace crossdesk::server_window_state
+#endif

apps/desktop/src/gui/application/window_geometry.h

@@ -1,4 +1,11 @@
-#pragma once
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-04
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
+
+#ifndef _WINDOW_GEOMETRY_H_
+#define _WINDOW_GEOMETRY_H_
 
 #include <algorithm>
 
@@ -38,3 +45,5 @@ constexpr PhysicalPosition BottomRightPosition(const PhysicalRect& bounds,
 }
 
 }  // namespace crossdesk::window_geometry
+
+#endif