feat(编辑能力): 完善继承样式编辑与受限提示，优化编辑入口和工具栏布局

internal/webui/wasm.go

@@ -607,7 +607,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 	if currentEditor == nil {
 		return objects, nil
 	}
-	page, err := currentSession.pageContent(index)
+	page, err := currentEditor.Page(index)
 	if err != nil {
 		return nil, err
 	}
@@ -651,7 +651,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 			if err != nil {
 				return nil, err
 			}
-			if !capability.Transform && !capability.Update {
+			if capability.Reason == "nested objects are read-only" {
 				continue
 			}
 			var box ofdgo.Box
@@ -664,12 +664,12 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 				box, err = ofdgo.ParseBox(object.PathObject.Boundary)
 			}
 			if err != nil {
-				return nil, err
+				continue
 			}
 			if box.W > 0 && box.H > 0 {
 				item := map[string]any{"id": id, "type": object.Type, "x": box.X, "y": box.Y, "width": box.W, "height": box.H, "order": order, "count": len(layer.Objects), "layer": layer.ID,
 					"capabilities": map[string]any{"update": capability.Update, "replaceFont": capability.ReplaceFont, "reflow": capability.Reflow, "layoutKnown": capability.LayoutKnown, "transform": capability.Transform, "arrange": capability.Arrange, "copy": capability.Copy, "delete": capability.Delete, "order": capability.Order, "reason": capability.Reason}}
-				if object.Type == "ImageObject" {
+				if object.Type == "ImageObject" && capability.Update {
 					full, err := object.ImageObject.ImageBounds()
 					if err != nil {
 						return nil, err
@@ -689,11 +689,7 @@ func editorObjects(index int, text *ofdgo.PageText) ([]any, error) {
 					item["lineWidth"] = path.LineWidth * editorPathScale(path)
 				}
 				if object.Type == "TextObject" {
-					source, err := currentEditor.Object(index, id)
-					if err != nil {
-						return nil, err
-					}
-					value, layout := source.TextObject.TextLayout()
+					value, layout := object.TextObject.TextLayout()
 					item["text"], item["font"], item["fontName"], item["size"] = value, object.TextObject.Font, fontNames[object.TextObject.Font], object.TextObject.Size
 					item["wrap"], item["align"], item["paragraphHeight"] = layout.Wrap, layout.Align, layout.LineHeight
 					item["letterSpacing"] = layout.LetterSpacing