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/ChatMessageToolbar.vue

@@ -1,5 +1,7 @@
 <script setup lang="ts">
-import {Copy, RotateCw} from '@easyflow/icons';
+import { onBeforeUnmount, ref } from 'vue';
+
+import { Check, Copy, RotateCw } from '@easyflow/icons';
 
 import ChatVariantNavigator from './ChatVariantNavigator.vue';
 
@@ -8,6 +10,7 @@ const props = withDefaults(
     align?: 'end' | 'start';
     allowCopy?: boolean;
     allowRegenerate?: boolean;
+    copyAction?: () => boolean | Promise<boolean>;
     disabledVariantNext?: boolean;
     disabledVariantPrevious?: boolean;
     regenerateDisabled?: boolean;
@@ -20,6 +23,7 @@ const props = withDefaults(
     align: 'start',
     allowCopy: false,
     allowRegenerate: false,
+    copyAction: undefined,
     disabledVariantNext: false,
     disabledVariantPrevious: false,
     regenerateDisabled: false,
@@ -37,12 +41,53 @@ const emit = defineEmits<{
   selectPreviousVariant: [];
 }>();
 
+const copied = ref(false);
+const copying = ref(false);
+const COPIED_FEEDBACK_DURATION_MS = 3000;
+let copiedResetTimer: ReturnType<typeof setTimeout> | undefined;
+
+async function handleCopy() {
+  if (copying.value) {
+    return;
+  }
+  if (!props.copyAction) {
+    emit('copy');
+    return;
+  }
+
+  copying.value = true;
+  try {
+    const success = await props.copyAction();
+    if (!success) {
+      return;
+    }
+    copied.value = true;
+    if (copiedResetTimer) {
+      clearTimeout(copiedResetTimer);
+    }
+    copiedResetTimer = setTimeout(() => {
+      copied.value = false;
+      copiedResetTimer = undefined;
+    }, COPIED_FEEDBACK_DURATION_MS);
+  } catch (error) {
+    console.error('复制消息失败:', error);
+  } finally {
+    copying.value = false;
+  }
+}
+
 function handleRegenerate() {
   if (props.regenerateDisabled) {
     return;
   }
   emit('regenerate');
 }
+
+onBeforeUnmount(() => {
+  if (copiedResetTimer) {
+    clearTimeout(copiedResetTimer);
+  }
+});
 </script>
 
 <template>
@@ -55,11 +100,15 @@ function handleRegenerate() {
       v-if="allowCopy"
       type="button"
       class="chat-message-toolbar__button"
-      aria-label="复制消息"
-      title="复制"
-      @click="emit('copy')"
+      :aria-busy="copying"
+      :aria-label="copied ? '复制成功' : '复制消息'"
+      :title="copied ? '复制成功' : '复制'"
+      @click="handleCopy"
     >
-      <Copy />
+      <Transition name="chat-message-toolbar__icon" mode="out-in">
+        <Check v-if="copied" key="check" />
+        <Copy v-else key="copy" />
+      </Transition>
     </button>
     <button
       v-if="allowRegenerate"
@@ -140,4 +189,17 @@ function handleRegenerate() {
   width: 14px;
   height: 14px;
 }
+
+.chat-message-toolbar__icon-enter-active,
+.chat-message-toolbar__icon-leave-active {
+  transition:
+    opacity var(--motion-duration-fast) var(--motion-ease-standard),
+    transform var(--motion-duration-fast) var(--motion-ease-standard);
+}
+
+.chat-message-toolbar__icon-enter-from,
+.chat-message-toolbar__icon-leave-to {
+  opacity: 0;
+  transform: scale(0.88);
+}
 </style>