fix(dataset): 限制长文本提示层尺寸

frontend/scripts/regression-dataset-preview.mjs

@@ -69,6 +69,11 @@ expect(previewSurfaceSource.includes('v-for="fieldKey in tableFieldKeys"'), '企
 expect(previewSurfaceSource.includes("emit('edit', asDatasetRecord(row))"), '每条样本应向主页面发送编辑事件')
 expect(previewSurfaceSource.includes("emit('delete', asDatasetRecord(row))"), '每条样本应提供删除操作')
 expect(previewSurfaceSource.includes('label="原文参照"'), '样本列表应展示生成内容对应的原文参照')
+expect(previewSurfaceSource.includes('popper-class="dataset-record-content-tooltip"'), '长文本提示应使用受控尺寸样式')
+expect(previewSurfaceSource.includes('max-width: min(480px, calc(100vw - 32px))'), '长文本提示不得横跨整个页面')
+expect(previewSurfaceSource.includes('max-height: min(240px, calc(100vh - 32px))'), '长文本提示应限制高度')
+expect(previewSurfaceSource.includes('overflow-y: auto'), '超长提示内容应允许纵向滚动')
+expect(previewSurfaceSource.includes('white-space: pre-wrap'), '提示内容应保留换行并自动折行')
 expect(source.includes('getDatasetFileRecordSources'), '详情页应从后端读取发布样本的真实原文')
 expect(recordEditorSource.includes('deleteDatasetRecord('), '删除样本应只修改当前文件草稿')
 expect(recordEditorSource.includes('删除后将暂存到当前草稿'), '删除样本前应说明保存版本后才生效')