细化组件绑定载荷形状校验

在反序列化前拒绝空值和无效的节点组件外部枚举。

apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/binding.rs

@@ -170,11 +170,22 @@ fn validate_binding_response_shape(
         return Err(format!("组件绑定 changes 不能超过 {max_changes} 条"));
     }
     for change in changes {
-        if !change
-            .as_object()
-            .is_some_and(|object| object.contains_key("component"))
-        {
+        let Some(object) = change.as_object() else {
             return Err("组件绑定 change 缺少 component 字段".to_string());
+        };
+        let Some(component) = object.get("component") else {
+            return Err("组件绑定 change 缺少 component 字段".to_string());
+        };
+        let valid_component = component == "PureNode"
+            || component
+                .as_object()
+                .and_then(|value| value.get("WithComponent"))
+                .is_some_and(serde_json::Value::is_object);
+        if !valid_component {
+            return Err(
+                "组件绑定 change 的 component 必须是 PureNode 或 WithComponent 对象"
+                    .to_string(),
+            );
         }
     }
     Ok(())