refactor(new_editor): tighten app dependency boundaries

new_editor/app/Commands/EditorEditCommandRoute.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <XCEditor/Foundation/UIEditorCommandDispatcher.h>
+
+#include <string_view>
+
+namespace XCEngine::UI::Editor::App {
+
+class EditorEditCommandRoute {
+public:
+    virtual ~EditorEditCommandRoute() = default;
+
+    virtual UIEditorHostCommandEvaluationResult EvaluateEditCommand(
+        std::string_view commandId) const = 0;
+
+    virtual UIEditorHostCommandDispatchResult DispatchEditCommand(
+        std::string_view commandId) = 0;
+
+    virtual UIEditorHostCommandEvaluationResult EvaluateAssetCommand(
+        std::string_view commandId) const {
+        (void)commandId;
+        UIEditorHostCommandEvaluationResult result = {};
+        result.message = "Current panel does not expose asset commands.";
+        return result;
+    }
+
+    virtual UIEditorHostCommandDispatchResult DispatchAssetCommand(
+        std::string_view commandId) {
+        UIEditorHostCommandDispatchResult result = {};
+        result.message = EvaluateAssetCommand(commandId).message;
+        return result;
+    }
+};
+
+} // namespace XCEngine::UI::Editor::App