补充角色切换弹窗当前角色信息

banban-mini/src/pages/sleep/index.scss

@@ -405,6 +405,29 @@
   overflow-y: auto;
 }
 
+.current-role-intro {
+  padding: 20px 22px;
+  border-radius: 16px;
+  background: #F7F8FA;
+  margin-bottom: 18px;
+}
+
+.current-role-label {
+  display: block;
+  font-size: 27px;
+  line-height: 1.45;
+  color: #1A1A1A;
+  font-weight: 700;
+  margin-bottom: 8px;
+}
+
+.current-role-desc {
+  display: block;
+  font-size: 25px;
+  line-height: 1.55;
+  color: #666666;
+}
+
 .family-list {
   max-height: 44vh;
   overflow-y: auto;

banban-mini/src/pages/sleep/index.tsx

@@ -889,6 +889,12 @@ export default function Sleep() {
             }}
           >
             <Text className='modal-title'>切换 AI 角色</Text>
+            <View className='current-role-intro'>
+              <Text className='current-role-label'>当前角色：{deviceRole?.name || deviceRole?.role_key || '未设置'}</Text>
+              <Text className='current-role-desc'>
+                {deviceRole?.description || '暂无角色简介'}
+              </Text>
+            </View>
             {isLoadingRoles ? (
               <Text className='device-switch-empty'>角色加载中...</Text>
             ) : roles.length === 0 ? (