refactor editor product architecture

editor/include/XCEditor/Workspace/UIEditorWorkspaceController.h

@@ -83,26 +83,32 @@ public:
         UIEditorPanelRegistry panelRegistry,
         UIEditorWorkspaceModel workspace,
         UIEditorWorkspaceSession session);
+    static UIEditorWorkspaceController Bind(
+        const UIEditorPanelRegistry& panelRegistry,
+        UIEditorWorkspaceModel& workspace,
+        UIEditorWorkspaceSession& session);
+    void Rebind(
+        UIEditorWorkspaceModel& workspace,
+        UIEditorWorkspaceSession& session);
     UIEditorWorkspaceController(const UIEditorWorkspaceController& other);
     UIEditorWorkspaceController& operator=(const UIEditorWorkspaceController& other);
     UIEditorWorkspaceController(UIEditorWorkspaceController&&) noexcept = default;
     UIEditorWorkspaceController& operator=(UIEditorWorkspaceController&&) noexcept = default;
 
-    static UIEditorWorkspaceController BindToState(
-        UIEditorPanelRegistry panelRegistry,
-        UIEditorWorkspaceModel& workspace,
-        UIEditorWorkspaceSession& session);
-
     const UIEditorPanelRegistry& GetPanelRegistry() const {
         return m_panelRegistry;
     }
 
     const UIEditorWorkspaceModel& GetWorkspace() const {
-        return m_workspace;
+        return m_workspaceBinding != nullptr
+            ? *m_workspaceBinding
+            : m_workspace;
     }
 
     const UIEditorWorkspaceSession& GetSession() const {
-        return m_session;
+        return m_sessionBinding != nullptr
+            ? *m_sessionBinding
+            : m_session;
     }
 
     UIEditorWorkspaceControllerValidationResult ValidateState() const;
@@ -128,8 +134,6 @@ public:
     UIEditorWorkspaceCommandResult Dispatch(const UIEditorWorkspaceCommand& command);
 
 private:
-    void SyncBoundState();
-
     UIEditorWorkspaceCommandResult BuildResult(
         const UIEditorWorkspaceCommand& command,
         UIEditorWorkspaceCommandStatus status,
@@ -148,14 +152,16 @@ private:
         std::string message) const;
 
     const UIEditorPanelDescriptor* FindPanelDescriptor(std::string_view panelId) const;
+    UIEditorWorkspaceModel& GetMutableWorkspace();
+    UIEditorWorkspaceSession& GetMutableSession();
 
     UIEditorPanelRegistry m_panelRegistry = {};
     UIEditorWorkspaceModel m_baselineWorkspace = {};
     UIEditorWorkspaceSession m_baselineSession = {};
     UIEditorWorkspaceModel m_workspace = {};
     UIEditorWorkspaceSession m_session = {};
-    UIEditorWorkspaceModel* m_boundWorkspace = nullptr;
-    UIEditorWorkspaceSession* m_boundSession = nullptr;
+    UIEditorWorkspaceModel* m_workspaceBinding = nullptr;
+    UIEditorWorkspaceSession* m_sessionBinding = nullptr;
 };
 
 UIEditorWorkspaceController BuildDefaultUIEditorWorkspaceController(