feat: 添加 ESLint 配置并优化代码风格，移除未使用的功能

src/components/DownloadDetail.vue

@@ -146,18 +146,6 @@ const handleOverlayClick = () => {
   close();
 };
 
-const pause = () => {
-  // emit('pause', props.download.id);
-};
-
-const resume = () => {
-  // emit('resume', props.download.id);
-};
-
-const cancel = () => {
-  //emit('cancel', props.download.id);
-};
-
 const retry = () => {
   if (props.download) {
     emit('retry', props.download);

src/components/DownloadQueue.vue

@@ -100,18 +100,6 @@ const toggleExpand = () => {
   isExpanded.value = !isExpanded.value;
 };
 
-const pauseDownload = (id: string) => {
-  // emit('pause', id);
-};
-
-const resumeDownload = (id: string) => {
-  // emit('resume', id);
-};
-
-const cancelDownload = (id: string) => {
-  // emit('cancel', id);
-};
-
 const retryDownload = (download: DownloadItem) => {
   emit('retry', download);
 };

src/components/UpdateAppsModal.vue

@@ -90,6 +90,7 @@ defineProps<{
   hasSelected: boolean;
 }>();
 
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 const emit = defineEmits<{
   (e: 'close'): void;
   (e: 'refresh'): void;