refactor(material): 移除冗余的图片预览提示

- 删除资料列表和本周热门资料中的预览 Toast 提示
- 简化用户体验流程，减少干扰
- 同步更新 components.d.ts

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

@@ -27,7 +27,7 @@ declare module 'vue' {
     OfficeViewer: typeof import('./src/components/OfficeViewer.vue')['default']
     PdfPreview: typeof import('./src/components/PdfPreview.vue')['default']
     Picker: typeof import('./src/components/time-picker-data/picker.vue')['default']
-    PlanPopup: typeof import('./src/components/PlanSchemes/PlanPopup.vue')['default']
+    PlanPopup: typeof import('./src/components/PlanPopup/index.vue')['default']
     PosterBuilder: typeof import('./src/components/PosterBuilder/index.vue')['default']
     QrCode: typeof import('./src/components/qrCode.vue')['default']
     QrCodeSearch: typeof import('./src/components/qrCodeSearch.vue')['default']

@@ -665,13 +665,6 @@ const { handleClick: onView } = useListItemClick({
       const urls = [item.downloadUrl]
 
       try {
-        // 预览前提示用户可以长按保存
-        Taro.showToast({
-          title: '点击图片预览，长按可保存到相册',
-          icon: 'none',
-          duration: 2000
-        })
-
         // 短暂延迟后打开预览（让用户看到提示）
         await new Promise(resolve => setTimeout(resolve, 300))
 

@@ -274,13 +274,6 @@ const { handleClick: onView } = useListItemClick({
       const urls = [item.downloadUrl]
 
       try {
-        // 预览前提示用户可以长按保存
-        Taro.showToast({
-          title: '点击图片预览，长按可保存到相册',
-          icon: 'none',
-          duration: 2000
-        })
-
         // 短暂延迟后打开预览（让用户看到提示）
         await new Promise(resolve => setTimeout(resolve, 300))