optimize copy feedback

src/App.vue

@@ -88,14 +88,6 @@ const deleteHistoryItem = (id: string) => {
   }
 };
 
-const copyHistoryText = async (text: string) => {
-  try {
-    await navigator.clipboard.writeText(text);
-  } catch (err) {
-    console.error('Failed to copy history text: ', err);
-  }
-};
-
 // Logs Management
 const selectedLogId = ref<string | null>(null);
 const selectedLogItem = computed(() => 
@@ -116,6 +108,23 @@ const getLogSummary = (log: any) => {
   return 'JSON Data';
 };
 
+// Universal Copy with Feedback
+const activeCopyId = ref<string | null>(null);
+
+const copyWithFeedback = async (text: string, id: string) => {
+  try {
+    await navigator.clipboard.writeText(text);
+    activeCopyId.value = id;
+    setTimeout(() => {
+      if (activeCopyId.value === id) {
+        activeCopyId.value = null;
+      }
+    }, 2000);
+  } catch (err) {
+    console.error('Failed to copy text: ', err);
+  }
+};
+
 // Profile Management
 const newProfileName = ref('');
 const isSavingProfile = ref(false);
@@ -197,7 +206,6 @@ const sourceText = ref('');
 const context = ref('');
 const targetText = ref('');
 const isTranslating = ref(false);
-const showCopyFeedback = ref(false);
 
 interface Suggestion {
   id: number;
@@ -287,18 +295,6 @@ const clearSource = () => {
   evaluationResult.value = null;
 };
 
-const copyTarget = async () => {
-  try {
-    await navigator.clipboard.writeText(targetText.value);
-    showCopyFeedback.value = true;
-    setTimeout(() => {
-      showCopyFeedback.value = false;
-    }, 2000);
-  } catch (err) {
-    console.error('Failed to copy text: ', err);
-  }
-};
-
 const evaluateTranslation = async () => {
   if (!targetText.value) return;
 
@@ -776,8 +772,8 @@ const translate = async () => {
             </div>
 
             <div class="ml-auto flex items-center gap-2">
-              <button @click="copyTarget" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors relative" title="复制结果">
+              <button @click="copyWithFeedback(targetText, 'main-target')" class="p-1.5 hover:bg-slate-200 dark:hover:bg-slate-700 rounded-md transition-colors relative" title="复制结果">
-                <Check v-if="showCopyFeedback" class="w-4 h-4 text-green-600" />
+                <Check v-if="activeCopyId === 'main-target'" class="w-4 h-4 text-green-600" />
                 <Copy v-else class="w-4 h-4 text-slate-500 dark:text-slate-400" />
               </button>
             </div>
@@ -1008,10 +1004,11 @@ const translate = async () => {
                     <h3 class="text-xs font-black text-slate-400 uppercase tracking-widest">{{ selectedHistoryItem.sourceLang.displayName }} (原文)</h3>
                   </div>
                   <button 
-                    @click="copyHistoryText(selectedHistoryItem.sourceText)"
+                    @click="copyWithFeedback(selectedHistoryItem.sourceText, `history-source-${selectedHistoryItem.id}`)"
                     class="p-2 hover:bg-slate-100 dark:hover:bg-slate-800 rounded-lg text-slate-400 transition-colors"
                   >
-                    <Copy class="w-4 h-4" />
+                    <Check v-if="activeCopyId === `history-source-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
+                    <Copy v-else class="w-4 h-4" />
                   </button>
                 </div>
                 <div class="bg-slate-50 dark:bg-slate-800/30 p-6 rounded-2xl border border-slate-100 dark:border-slate-800 text-lg leading-relaxed text-slate-700 dark:text-slate-200 whitespace-pre-wrap">
@@ -1038,10 +1035,11 @@ const translate = async () => {
                     <h3 class="text-xs font-black text-blue-500/60 uppercase tracking-widest">{{ selectedHistoryItem.targetLang.displayName }} (译文)</h3>
                   </div>
                   <button 
-                    @click="copyHistoryText(selectedHistoryItem.targetText)"
+                    @click="copyWithFeedback(selectedHistoryItem.targetText, `history-target-${selectedHistoryItem.id}`)"
                     class="p-2 bg-blue-50 dark:bg-blue-900/30 hover:bg-blue-100 dark:hover:bg-blue-900/50 rounded-lg text-blue-600 dark:text-blue-400 transition-colors"
                   >
-                    <Copy class="w-4 h-4" />
+                    <Check v-if="activeCopyId === `history-target-${selectedHistoryItem.id}`" class="w-4 h-4 text-green-600" />
+                    <Copy v-else class="w-4 h-4" />
                   </button>
                 </div>
                 <div class="bg-blue-50/20 dark:bg-blue-900/10 p-6 rounded-2xl border border-blue-100/50 dark:border-blue-900/20 text-xl leading-relaxed font-medium text-slate-800 dark:text-slate-100 whitespace-pre-wrap shadow-sm">
@@ -1385,10 +1383,11 @@ const translate = async () => {
                 >{{ selectedLogItem.type === 'request' ? 'Request' : selectedLogItem.type === 'response' ? 'Response' : 'Error' }}</span>
               </div>
               <button 
-                @click="copyHistoryText(typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : String(selectedLogItem.content))"
+                @click="copyWithFeedback(typeof selectedLogItem.content === 'object' ? JSON.stringify(selectedLogItem.content, null, 2) : String(selectedLogItem.content), `log-${selectedLogItem.id}`)"
                 class="flex items-center gap-2 px-3 py-2 text-xs font-medium text-slate-600 hover:bg-slate-100 dark:text-slate-300 dark:hover:bg-slate-800 rounded-lg transition-colors border border-slate-200 dark:border-slate-700"
               >
-                <Copy class="w-4 h-4" />
+                <Check v-if="activeCopyId === `log-${selectedLogItem.id}`" class="w-4 h-4 text-green-600" />
+                <Copy v-else class="w-4 h-4" />
                 复制内容
               </button>
             </div>