feat: 优化账户切换时的页面状态一致性，增加登录回跳校验和课程阅读新逻辑

- 增加账户状态监听定时器，页面切换时自动校验账户归属，避免跨账户操作
- 新增登录回跳路径校验函数，限制仅允许指定页面回跳，防止非法跳转
- 课程页改为整篇连续阅读，底部仅一次标记已读，兼容历史记录
- 完善助手、对比页、资料填写页等多处的账户状态校验逻辑，防止错版数据提交
- 优化账户资料请求逻辑，增加版本校验，避免旧请求覆盖新数据

packages/content/search/search.uvue

@@ -39,6 +39,7 @@
 	import AppHeader from '@/components/AppHeader.uvue'
 	import { usePageLayout } from '@/services/layout.uts'
 	import { searchContent, ContentSearchResult } from '@/packages/content/services/search.uts'
+	import { validateContentAppend } from '@/services/content.uts'
 	const { pageStyle, contentStyle, bottomStyle } = usePageLayout()
 	type SearchTab = { id: string, label: string }
 	const tabs: SearchTab[] = [{ id: 'all', label: '全部' }, { id: 'news', label: '新闻' }, { id: 'lesson', label: '融资课堂' }]
@@ -53,9 +54,11 @@
 	const total = ref(0); const hasMore = ref(false); const loadingMore = ref(false); const moreError = ref('')
 	let page = 1
 	let requestVersion = 0
+	let visible = false
 	const resetResults = () => { requestVersion++; results.value = []; total.value = 0; hasMore.value = false; loadingMore.value = false; moreError.value = ''; searched.value = false; loading.value = false; errorMessage.value = ''; listVersion.value++ }
 	const clearSearch = () => { keyword.value = ''; resetResults() }
 	async function load(append: boolean) {
+		if (!visible) return
 		if (append && (loading.value || loadingMore.value || !hasMore.value)) return
 		keyword.value = keyword.value.trim()
 		if (keyword.value.length == 0) { clearSearch(); return }
@@ -66,12 +69,13 @@
 		try {
 			const result = await searchContent(keyword.value, activeType.value, append ? page + 1 : 1)
 			// 输入、切换分类或退出页面后，忽略旧请求，避免结果被覆盖。
-			if (currentRequest != requestVersion) return
+			if (!visible || currentRequest != requestVersion) return
+			if (append) validateContentAppend(results.value.map((item: ContentSearchResult): string => item.type + ':' + item.id), result.items.map((item: ContentSearchResult): string => item.type + ':' + item.id))
 			results.value = append ? results.value.concat(result.items) : result.items
 			total.value = result.total; hasMore.value = result.hasMore
 			if (append) page++
 		} catch (err) {
-			if (currentRequest == requestVersion) {
+			if (visible && currentRequest == requestVersion) {
 				const message = err instanceof Error ? err.message : '请检查网络连接后重试'
 				if (append) moreError.value = message; else errorMessage.value = message
 			}
@@ -85,9 +89,9 @@
 		const route = item.type == 'news' ? '/packages/content/article/article' : '/packages/content/lesson/lesson'
 		uni.navigateTo({ url: route + '?id=' + encodeURIComponent(item.id) })
 	}
-	onShow(() => { if (searched.value) search() })
-	onHide(() => { requestVersion++; loading.value = false; loadingMore.value = false })
-	onUnload(() => { requestVersion++ })
+	onShow(() => { visible = true; if (searched.value) search() })
+	onHide(() => { visible = false; requestVersion++; loading.value = false; loadingMore.value = false })
+	onUnload(() => { visible = false; requestVersion++ })
 </script>
 
 <style>