【增加】Header 组件

src/views/ai/chat/components/Header.vue

+<!-- header -->
+<template>
+  <el-header class="chat-header">
+    <div class="title">
+      {{ title }}
+    </div>
+    <div class="title-right">
+      <slot></slot>
+    </div>
+  </el-header>
+</template>
+
+<script setup lang="ts">
+// 设置组件属性
+defineProps({
+  title: {
+    type: String,
+    required: true
+  }
+})
+</script>
+
+<style scoped lang="scss">
+.chat-header {
+  display: flex;
+  flex-direction: row;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 10px;
+  white-space: nowrap;
+  text-overflow: ellipsis;
+  background-color: #ececec;
+  width: 100%;
+
+  .title {
+    font-size: 20px;
+    font-weight: bold;
+    overflow: hidden;
+    color: #3e3e3e;
+    max-width: 220px;
+  }
+
+  .title-right {
+    display: flex;
+    flex-direction: row;
+  }
+}
+
+
+</style>