--- schema_version: 1.1 page_id: front url_patterns: - https://news.ycombinator.com/ - https://news.ycombinator.com/news purpose: ranked front page (top stories), default landing last_verified: 2026-06-02 source: global --- ## Visual anchors - text: top nav strip `Hacker News | new | past | comments | ask | show | jobs | submit` - pattern: 每个 story 是 2 个 ``:第一 `` 含 rank + title + url;紧邻 sibling `` 含 score + author + age + comment-count - selector_pattern (id-anchored): `tr.athing[id=""]` - selector_pattern (sibling traversal): `tr.athing[id=""] + tr` (subtext row) - selector_pattern (attribute boundary): `a[href^="item?id="]` (comments link, NOT title link out to external) - (testid: 不适用 — HN 无 data-testid 约定) ## Actions on this page ### action:open_story_detail pre: on /news 或 /,目标 story id 已知(rank 仅作降级匹配) do: opencli hackernews story || click `tr.athing[id=""] + tr a[href^="item?id="]` post: URL → /item?id= AND 含 story 标题 fail: click 落到外部 URL(误点 title link) | athing 不在当前 page recover: 误点外站立即 back; athing 找不到时 reload /news 或用 adapter 直 fetch; adapter_health_update: opencli hackernews story -> suspect evidence: opencli hackernews top --limit 30 + opencli browser open > **Anchor note**:`tr.athing:nth-child(<rank>)` 不安全 — HN 每个 story 是 athing row + subtext sibling row 两 `<tr>`,nth-child(rank) 不映射到 rank 序号。用 `[id="<id>"]` attribute selector 是 schema v1.1 §2.2 selector_pattern (id-anchored) 的典型案例。 ### action:next_page pre: on /news,已滚到底,footer `More` link visible do: opencli hackernews top --offset <N> || click `a.morelink` post: URL 加 ?p=<N> 或 ?next=<id>&n=<offset>,新 30 条 stories fail: morelink 不存在(HN 默认 ~30 条/页) recover: adapter --limit 跨页透明,DOM 翻页是 worse path; adapter_health_update: opencli hackernews top -> suspect evidence: opencli hackernews top --offset 30 ## Linked APIs - endpoint_id: topstories (triggers_on: page load) - endpoint_id: item (triggers_on: 每条 story → fan out item/<id>) ## Page-specific pitfalls - title `<a>` 指向**原文 URL**,不是 HN 评论页。去评论必须 click `a[href^="item?id="]` (comments link) 而非 title - HN 单页 ~30 story;超过用 `morelink` 或 adapter offset