feat: 添加Slot和Slots类型支持并优化PDF预览功能

在.eslintrc-auto-import.json中添加Slot和Slots类型支持，优化PdfPreview.vue组件，使其支持动态文件名，并在StudyDetailPage.vue中调整PDF预览逻辑以显示文件标题

@@ -74,6 +74,8 @@
     "watch": true,
     "watchEffect": true,
     "watchPostEffect": true,
-    "watchSyncEffect": true
+    "watchSyncEffect": true,
+    "Slot": true,
+    "Slots": true
   }
 }

@@ -71,6 +71,6 @@ declare global {
 // for type re-export
 declare global {
   // @ts-ignore
-  export type { Component, ComponentPublicInstance, ComputedRef, DirectiveBinding, ExtractDefaultPropTypes, ExtractPropTypes, ExtractPublicPropTypes, InjectionKey, PropType, Ref, MaybeRef, MaybeRefOrGetter, VNode, WritableComputedRef } from 'vue'
+  export type { Component, Slot, Slots, ComponentPublicInstance, ComputedRef, DirectiveBinding, ExtractDefaultPropTypes, ExtractPropTypes, ExtractPublicPropTypes, InjectionKey, PropType, Ref, MaybeRef, MaybeRefOrGetter, VNode, WritableComputedRef } from 'vue'
   import('vue')
 }

@@ -21,7 +21,6 @@ declare module 'vue' {
     LiveStreamCard: typeof import('./components/ui/LiveStreamCard.vue')['default']
     MenuItem: typeof import('./components/ui/MenuItem.vue')['default']
     PdfPreview: typeof import('./components/ui/PdfPreview.vue')['default']
-    PdfViewer: typeof import('./components/ui/PdfViewer.vue')['default']
     ReviewPopup: typeof import('./components/courses/ReviewPopup.vue')['default']
     RouterLink: typeof import('vue-router')['RouterLink']
     RouterView: typeof import('vue-router')['RouterView']

@@ -10,7 +10,7 @@
 </template>
 
 <script setup>
-import { ref, nextTick, onMounted } from 'vue';
+import { ref, nextTick, onMounted, computed } from 'vue';
 import { initPdfView, configPdfApiOptions } from "@sunsetglow/vue-pdf-viewer";
 import "@sunsetglow/vue-pdf-viewer/dist/style.css";
 
@@ -22,6 +22,10 @@ const props = defineProps({
     url: {
         type: String,
         default: ''
+    },
+    title: {
+        type: String,
+        default: ''
     }
 });
 
@@ -60,7 +64,7 @@ const initPdfViewer = () => {
                 toolShow: true,
                 download: true,
                 clearScale: 1.5,
-                fileName: "preview.pdf",
+                fileName: props.title,
                 lang: "en",
                 print: false,
                 watermarkOptions: undefined

@@ -54,7 +54,7 @@
                                     <font-awesome-icon icon="file-alt" class="text-gray-400 text-lg flex-shrink-0" />
                                     <h3 class="text-x font-medium text-gray-900 truncate">{{ item.title }}</h3>
                                 </div>
-                                <div class="text-x text-blue-600 hover:text-blue-800 hover:underline whitespace-nowrap" @click="showPdf(item.url)">查看文件</div>
+                                <div class="text-x text-blue-600 hover:text-blue-800 hover:underline whitespace-nowrap" @click="showPdf(item)">查看文件</div>
                             </div>
                         </div>
                     </div>
@@ -225,7 +225,7 @@
         </van-popup>
 
         <!-- PDF预览 -->
-        <PdfPreview v-model:show="pdfShow" :url="pdfUrl" />
+        <PdfPreview v-model:show="pdfShow" :url="pdfUrl" :title="pdfTitle" />
     </div>
 </template>
 
@@ -356,9 +356,11 @@ const handleLessonClick = async (lesson) => {
 };
 
 const pdfShow = ref(false);
+const pdfTitle = ref('');
 const pdfUrl = ref('');
 
-const showPdf = (url) => {
+const showPdf = ({title, url}) => {
+    pdfTitle.value = title;
     pdfUrl.value = url;
     pdfShow.value = true;
 };