refactor: Introduced a SessionCardRegistry and WindowDelegate for better session management in the editor.

Benefits:
- Streamlines the build process by allowing for multiple Protobuf targets, enhancing compatibility and maintainability.
- Improves session management capabilities within the editor, leading to a more organized and efficient user experience.
- Enhance Protobuf target handling in CMake configuration
- Updated CMake files to support multiple Protobuf targets, improving flexibility in linking.
- Adjusted target link libraries across various components (yaze, yaze_core_lib, yaze_editor, etc.) to utilize the new

src/app/editor/system/window_delegate.h

@@ -0,0 +1,96 @@
+#ifndef YAZE_APP_EDITOR_SYSTEM_WINDOW_DELEGATE_H_
+#define YAZE_APP_EDITOR_SYSTEM_WINDOW_DELEGATE_H_
+
+#include <string>
+#include <vector>
+
+#include "absl/status/status.h"
+#include "imgui/imgui.h"
+
+namespace yaze {
+namespace editor {
+
+/**
+ * @class WindowDelegate
+ * @brief Low-level window operations with minimal dependencies
+ * 
+ * Provides window management functionality extracted from EditorManager:
+ * - Window visibility management
+ * - Docking operations  
+ * - Layout persistence
+ * - Focus management
+ * 
+ * This class has minimal dependencies (only ImGui and absl) to avoid
+ * linker issues and circular dependencies.
+ */
+class WindowDelegate {
+ public:
+  WindowDelegate() = default;
+  ~WindowDelegate() = default;
+
+  // Window visibility management
+  void ShowAllWindows();
+  void HideAllWindows();
+  void ShowWindow(const std::string& window_id);
+  void HideWindow(const std::string& window_id);
+  void ToggleWindow(const std::string& window_id);
+  bool IsWindowVisible(const std::string& window_id) const;
+
+  // Focus and positioning
+  void FocusWindow(const std::string& window_id);
+  void MaximizeWindow(const std::string& window_id);
+  void RestoreWindow(const std::string& window_id);
+  void CenterWindow(const std::string& window_id);
+  
+  // Docking operations
+  void DockWindow(const std::string& window_id, ImGuiDir dock_direction);
+  void UndockWindow(const std::string& window_id);
+  void SetDockSpace(const std::string& dock_space_id, const ImVec2& size = ImVec2(0, 0));
+  
+  // Layout management
+  absl::Status SaveLayout(const std::string& preset_name);
+  absl::Status LoadLayout(const std::string& preset_name);
+  absl::Status ResetLayout();
+  std::vector<std::string> GetAvailableLayouts() const;
+  
+  // Window state queries
+  std::vector<std::string> GetVisibleWindows() const;
+  std::vector<std::string> GetHiddenWindows() const;
+  ImVec2 GetWindowSize(const std::string& window_id) const;
+  ImVec2 GetWindowPosition(const std::string& window_id) const;
+  
+  // Batch operations
+  void ShowWindowsInCategory(const std::string& category);
+  void HideWindowsInCategory(const std::string& category);
+  void ShowOnlyWindow(const std::string& window_id);  // Hide all others
+  
+  // Window registration (for tracking)
+  void RegisterWindow(const std::string& window_id, const std::string& category = "");
+  void UnregisterWindow(const std::string& window_id);
+  
+  // Layout presets
+  void LoadDeveloperLayout();
+  void LoadDesignerLayout();
+  void LoadModderLayout();
+  void LoadMinimalLayout();
+
+ private:
+  // Window registry for tracking
+  struct WindowInfo {
+    std::string id;
+    std::string category;
+    bool is_registered = false;
+  };
+  
+  std::unordered_map<std::string, WindowInfo> registered_windows_;
+  
+  // Helper methods
+  bool IsWindowRegistered(const std::string& window_id) const;
+  std::string GetLayoutFilePath(const std::string& preset_name) const;
+  void ApplyLayoutToWindow(const std::string& window_id, const std::string& layout_data);
+};
+
+}  // namespace editor
+}  // namespace yaze
+
+#endif  // YAZE_APP_EDITOR_SYSTEM_WINDOW_DELEGATE_H_