checkpoint: commit current workspace state

new_editor/app/Windowing/Workspace/UIEditorDetachedWindowPolicy.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include <XCEditor/Panels/UIEditorPanelRegistry.h>
+#include <XCEditor/Workspace/UIEditorWorkspaceController.h>
+
+#include <string>
+#include <string_view>
+
+namespace XCEngine::UI::Editor {
+
+const UIEditorPanelDescriptor* ResolveUIEditorSingleVisibleRootPanelDescriptor(
+    const UIEditorWorkspaceController& controller);
+
+bool HasUIEditorSingleVisibleRootTab(
+    const UIEditorWorkspaceController& controller);
+
+std::string ResolveUIEditorDetachedWorkspaceTitle(
+    const UIEditorWorkspaceController& controller,
+    std::string_view fallbackTitle = {});
+
+::XCEngine::UI::UISize ResolveUIEditorDetachedWorkspaceMinimumOuterSize(
+    const UIEditorWorkspaceController& controller,
+    const ::XCEngine::UI::UISize& fallbackSize = ::XCEngine::UI::UISize(640.0f, 360.0f));
+
+} // namespace XCEngine::UI::Editor