fix: 兼容低版本浏览器消息复制

- 为 Chrome 90 增加剪贴板兼容回退

- 统一聊天与智能体试运行的原色对勾反馈

easyflow-ui-admin/packages/effects/common-ui/src/components/chat-timeline/ChatTimeline.vue

@@ -13,6 +13,7 @@ import ChatTimelineItem from './ChatTimelineItem.vue';
 const props = defineProps<{
   approvalLoading?: boolean;
   copyable?: (item: ChatTimelineMessageItem) => boolean;
+  copyAction?: (item: ChatTimelineMessageItem) => boolean | Promise<boolean>;
   emptyText?: string;
   imageLoader?: ChatImageLoader;
   items: ChatTimelineItemType[];
@@ -157,6 +158,7 @@ watch(
         :item="item"
         :image-loader="imageLoader"
         :approval-loading="approvalLoading"
+        :copy-action="copyAction"
         :copyable="canCopyMessage(item)"
         :regenerable="canRegenerateMessage(item)"
         :regenerate-disabled="regenerateDisabled"