功能：优化用户地址账户名称展示

frontend/platform_admin/src/views/shared/RelationNameText.vue

@@ -0,0 +1,76 @@
+<!-- 功能描述：列表以关系名称为主展示，并提供完整唯一标识的悬停查看与复制。版本：v1.0.0。 -->
+<template>
+  <div class="relation-name-text">
+    <a-tooltip :content="`用户唯一标识：${identity}`">
+      <span class="relation-name">{{ displayName }}</span>
+    </a-tooltip>
+    <a-tooltip content="复制用户唯一标识">
+      <button
+        class="copy-button"
+        type="button"
+        :aria-label="`复制用户唯一标识 ${identity}`"
+        @click.stop="copyIdentity"
+      >
+        <icon-copy />
+      </button>
+    </a-tooltip>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { Message } from '@arco-design/web-vue';
+import { IconCopy } from '@arco-design/web-vue/es/icon';
+import { computed } from 'vue';
+
+const props = defineProps<{ name: string; identity: string }>();
+const displayName = computed(() => props.name || props.identity);
+
+/** 复制完整用户唯一标识，并给出明确操作反馈。 */
+async function copyIdentity() {
+  try {
+    await navigator.clipboard.writeText(props.identity);
+    Message.success('用户唯一标识已复制');
+  } catch {
+    Message.error('复制失败，请从悬浮提示中复制');
+  }
+}
+</script>
+
+<style scoped>
+.relation-name-text {
+  display: flex;
+  gap: 6px;
+  align-items: center;
+  min-width: 0;
+}
+
+.relation-name {
+  min-width: 0;
+  overflow: hidden;
+  color: var(--color-text-1);
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.copy-button {
+  display: inline-flex;
+  flex: 0 0 auto;
+  align-items: center;
+  justify-content: center;
+  width: 24px;
+  height: 24px;
+  padding: 0;
+  color: rgb(var(--primary-6));
+  font-size: 14px;
+  background: transparent;
+  border: 0;
+  border-radius: 4px;
+  cursor: pointer;
+}
+
+.copy-button:hover,
+.copy-button:focus-visible {
+  background: var(--color-fill-2);
+  outline: none;
+}
+</style>