[perf] reduce desktop build dependencies and binary size

apps/desktop/src/gui/features/clipboard/clipboard_controller.cpp

@@ -1,5 +1,9 @@
 #include "features/clipboard/clipboard_controller.h"
 
+#include <SDL3/SDL_clipboard.h>
+#include <SDL3/SDL_error.h>
+#include <SDL3/SDL_events.h>
+
 #include <cstring>
 #include <shared_mutex>
 #include <utility>

apps/desktop/src/gui/features/clipboard/clipboard_controller.h

@@ -1,7 +1,11 @@
-#ifndef CROSSDESK_GUI_CLIPBOARD_CONTROLLER_H_
-#define CROSSDESK_GUI_CLIPBOARD_CONTROLLER_H_
+/*
+ * @Author: DI JUNKUN
+ * @Date: 2026-09-25
+ * Copyright (c) 2026 by DI JUNKUN, All Rights Reserved.
+ */
 
-#include <SDL3/SDL.h>
+#ifndef _CLIPBOARD_CONTROLLER_H_
+#define _CLIPBOARD_CONTROLLER_H_
 
 #include <atomic>
 #include <cstddef>
@@ -42,4 +46,4 @@ private:
 
 } // namespace crossdesk
 
-#endif // CROSSDESK_GUI_CLIPBOARD_CONTROLLER_H_
+#endif // _CLIPBOARD_CONTROLLER_H_

apps/desktop/src/gui/features/devices/session_device_manager.cpp

@@ -1,5 +1,9 @@
 #include "features/devices/session_device_manager.h"
 
+#include <SDL3/SDL_audio.h>
+#include <SDL3/SDL_error.h>
+#include <SDL3/SDL_init.h>
+
 #include <display_stream_id.h>
 #include <remote_action.h>
 
@@ -8,6 +12,8 @@
 #include <cstdlib>
 #include <utility>
 
+#include "device_controller_factory.h"
+#include "screen_capturer_factory.h"
 #include "platform.h"
 #include "rd_log.h"
 #include "runtime/gui_runtime.h"

apps/desktop/src/gui/features/devices/session_device_manager.h

@@ -8,8 +8,6 @@
 #define _SESSION_DEVICE_MANAGER_H_
 
 
-#include <SDL3/SDL.h>
-
 #include <atomic>
 #include <chrono>
 #include <cstddef>
@@ -22,14 +20,17 @@
 #include <remote_action.h>
 
 #include "device_controller.h"
-#include "device_controller_factory.h"
 #include "display_info.h"
-#include "screen_capturer_factory.h"
 #include "speaker_capture_controller.h"
 
+struct SDL_AudioStream;
+
 namespace crossdesk {
 
 class GuiRuntime;
+class DeviceControllerFactory;
+class ScreenCapturerFactory;
+class ScreenCapturer;
 
 // Owns media capture/playback and remote input devices for the active GUI
 // session. GuiRuntime supplies application intent; this class handles device

apps/desktop/src/gui/features/file_transfer/file_transfer_manager.h

@@ -12,7 +12,7 @@
 #include <string>
 #include <unordered_map>
 
-#include "runtime/gui_state.h"
+#include "runtime/remote_session.h"
 
 namespace crossdesk {