完善搜索点位分类与稳定定位

src/components/search/PoiSearchPanel.vue

@@ -296,7 +296,7 @@ const floorLoadError = ref('')
 const excludedPoiCount = ref(0)
 const duplicatePoiCount = ref(0)
 const resultListScrollTop = ref(0)
-const resultListRef = ref<HTMLElement | null>(null)
+const resultListRef = ref<HTMLElement | { $el?: HTMLElement } | null>(null)
 let cachedPoiPool: PreparedPoiResults | null = null
 let searchRequestSeq = 0
 
@@ -807,8 +807,15 @@ const handleResultListScroll = (event: any) => {
   resultListScrollTop.value = Number.isFinite(scrollTop) ? Math.max(0, scrollTop) : 0
 }
 
+const getResultListElement = (): HTMLElement | null => {
+  const target = resultListRef.value
+  if (!target) return null
+  if ('$el' in target) return target.$el || null
+  return target as HTMLElement
+}
+
 const captureResultListScroll = () => {
-  const scrollTop = Number(resultListRef.value?.scrollTop)
+  const scrollTop = Number(getResultListElement()?.scrollTop)
   if (Number.isFinite(scrollTop)) resultListScrollTop.value = Math.max(0, scrollTop)
 }
 
@@ -817,7 +824,8 @@ const restoreResultListScroll = async () => {
   if (scrollTop <= 0) return
 
   await nextTick()
-  if (resultListRef.value) resultListRef.value.scrollTop = scrollTop
+  const resultListElement = getResultListElement()
+  if (resultListElement) resultListElement.scrollTop = scrollTop
 }
 
 const poiDisplayName = (poi: MuseumPoi) => poi.name?.trim() || '未命名点位'