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Cheat Trends

skill-lihongwei-cn-lihongwei-cn-cheat-trends · by LiHongwei-cn

从配置的热点源(HN / Reddit / YouTube trending / B 站热门 / 等)抓今天的热门话题,去重 + 粗打分 + 写入 candidates.md。**绝大部分人没有候选池——这是让"我没素材"问题在 onboarding 第二步就消失的钥匙**。触发词:"抓热点"/"fetch trends"/"今天有什么可做的"/"trending now"/"找选题"。

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Install

$ agentstack add skill-lihongwei-cn-lihongwei-cn-cheat-trends

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • Prompt-injection patterns
  • Secret / credential exfiltration
  • Dangerous shell & filesystem operations
  • Untrusted network calls
  • Known-malicious package signatures

What it can access

  • Network access No
  • Filesystem access No
  • Shell / process execution No
  • Environment & secrets Used
  • Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

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Reliability & compatibility

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2mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

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About

/cheat-trends — 热点抓取

多 adapter 模式:读各 trend-sources adapter 的输出 → 去重 → 粗打分 → 写入 candidates.md

Overview

[用户:抓热点]
  ↓
[Phase 0: 读 .cheat-state.json 拿 enabled adapters]
  ↓
[Phase 1: 对每个 adapter 调 fetch]
  ↓
[Phase 2: normalize 到 candidate-schema]
  ↓
[Phase 3: 去重(vs candidates / predictions / trends-history)]
  ↓
[Phase 4: 对每个新 item 粗打分(调 cheat-score 内联逻辑)]
  ↓
[Phase 5: 排序 + 询问用户哪些加入 candidates.md]
  ↓
[Phase 6: 写入 + 更新 trends-history.jsonl 缓存]

Constants

  • TREND_SOURCES = ["manual-paste"] — 启用的 adapter 列表(默认仅 manual-paste,最稳)
  • LOOKBACK_HOURS = 24 — 抓最近 N 小时的热点
  • MAXPERSOURCE = 20 — 每个 adapter 最多 N 条
  • DEDUPE = true — 去重开关
  • AUTO_SCORE = true — 抓回来后自动调 cheat-score 粗打分
  • MINCOMPOSITETO_SUGGEST = 6.0 — 低于此分的不推荐用户加入候选池(仍写入 trends-history 避免下次重复推)

> 💡 调用时覆盖:/cheat-trends — sources: manual-paste,hackernews,bilibili-popular — max-per: 10

Inputs

| 必填 | 来源 | |---|---| | .cheat-state.json | 默认 sources | | adapters/trend-sources/.md | 各 adapter 的实现描述 | | candidates.md | 去重对照 | | predictions/*.md | 去重对照(已发的不再推) | | .cheat-cache/trends-history.jsonl | 历史抓取去重缓存 |

Workflow

Phase 0: 读启用的 adapters

# 伪代码
state = read('.cheat-state.json')
enabled_adapters = args.sources or state.get('enabled_trend_sources', ['manual-paste'])

如 enabled_adapters 为空 → 输出引导:

你目前没有启用任何热点源。

最快配法:
- 临时跑:/cheat-trends — sources: manual-paste,hackernews
- 永久启用:编辑 .cheat-state.json 的 enabled_trend_sources 数组

可用 adapter(详见 adapters/trend-sources/):
- manual-paste(默认,永远能用)
- hackernews(HN Algolia API,无需 key)
- reddit-rising(公开 .json 端点)
- youtube-trending(需 YouTube Data API key)
- bilibili-popular(公开端点,偶有变动)
- xhs-explore / douyin-hot(fragile,需 cookie)
- thirdparty-paid(新榜 / 飞瓜,需自己接 API)

Phase 1-2: 对每个 adapter 调 fetch + normalize

对每个 adapter,读其 adapters/trend-sources/.md 中描述的 fetch 接口(实际是 Bash 调底层 Python / shell / WebFetch):

| Adapter | 实现机制 | |---|---| | manual-paste | 询问用户:"粘贴你今天的候选 URL/标题列表(每行一条)" → 解析每行,对 URL 做 WebFetch 拓展 snippet | | hackernews | WebFetch HN Algolia API:https://hn.algolia.com/api/v1/search?tags=front_page&hitsPerPage={N} → 提取 title/url/snippet | | reddit-rising | WebFetch Reddit JSON:https://www.reddit.com/r//rising.json?limit={N} | | youtube-trending | 需 API key 配置在 .env 或 .cheat-state.json,调 YouTube Data API v3 videos?chart=mostPopular | | bilibili-popular | WebFetch B 站 popular 接口 | | xhs-explore / douyin-hot | 需用户提供 cookie 路径,调对应 platform-stub 描述的接口;缺 cookie → skip 该 adapter | | thirdparty-paid | schema only——读 adapters/trend-sources/thirdparty-paid.md,让用户自己接 |

每个 adapter 输出符合 [candidate-schema.md](../../shared-references/candidate-schema.md) 的 items。

优雅降级:单 adapter 失败(API key 缺失 / 端点 503 / cookie 失效)→ skip 该 adapter,不抛异常,在汇总里说明:

✅ hackernews: 拉到 18 条
⚠️  youtube-trending: 跳过(缺 API key——配置见 adapters/trend-sources/youtube-trending.md)
✅ bilibili-popular: 拉到 15 条
❌ douyin-hot: 跳过(cookie 文件不存在)

Phase 3: 去重

按 [candidate-schema.md](../../shared-references/candidate-schema.md) 的"去重协议":

  1. 对每个 item 算 id(sha256(source_type + normalized_title + url_path)[:12]
  2. 检查 candidates.md 已含此 id → 跳过
  3. 检查 predictions/*.md 已含此 id → 跳过
  4. 检查 .cheat-cache/trends-history.jsonl 已含此 id 且 rejected_at != null → 跳过

去重统计写到汇总报告里。

Phase 4: 粗打分

AUTO_SCORE=true 时,对每条新 item:

  1. 用 item 的 snapshot_text 作为输入
  2. 按当前 rubric 给 7 维打分(/cheat-score 子 skill 走 IO;inline 复用打分逻辑)
  3. 算 composite
  4. 给一句 rationale

注意:粗打分 ≠ 正式预测。预测必须基于最终稿(用户改过的),这里的打分只是"是否值得展开写"的粗筛。

AUTO_SCORE=false 时,items 写入 candidates.md 时 composite=null,需要后续手动 /cheat-score

Phase 5: 排序 + 询问

按 composite 降序,过滤掉 composite ", "fetched_at": ""} ```

Phase 7: 状态更新

{
  "last_trends_run_at": "",
  "last_trends_added_count": 5
}

Key Rules

  1. 不抛异常。单 adapter 失败 → skip + 报告。多 adapter 全失败 → 报错"所有源都失败",附排查指引
  2. manual-paste 永远在。即使其他所有 adapter 都坏了,manual-paste 模式必须能跑——它是兜底
  3. 去重是硬约束。同 id 不重复推;用户拒绝过的 6 个月内不再推
  4. 粗打分要诚实标注。在 candidates.md 的 entry 里标 composite (rough, snapshot-based),避免与 prediction 的精打分混淆
  5. 不直接进 predictions/。trends 只产 candidates,predict 是另一个动作

Refusals

  • 「直接抓抖音热门 feed,不用 cookie」 → 拒绝。抖音反爬极严,无 cookie 必失败;引导到 douyin-session adapter 配置文档
  • 「跳过去重,把所有抓到的都写进去」 → 拒绝。会污染候选池,下次 recommend 时排序失效
  • 「跳过粗打分,直接写 raw 标题」 → 允许(AUTO_SCORE=false),但提示用户后续需要 /cheat-score 才能进 recommend 池

Integration

  • 上游:用户配置 .cheat-state.jsonenabled_trend_sources 数组
  • 下游:/cheat-recommend 直接读 candidates.md 排序——trends 写完,recommend 立刻看到
  • /cheat-init:onboarding Q4 选"没有候选池"的用户被引导到这里
  • /cheat-status:status 看板显示"上次抓热点:X 天前 / 待清理候选池:Y 条"

Adapter 实现注意事项

每个 adapters/trend-sources/.md 必须文档化以下:

  1. 依赖:API key / cookie / package
  2. fetch 接口:调用方式(python script path / shell command / API endpoint)
  3. 输出 schema:必须符合 candidate-schema.md
  4. 失败模式:常见错误 + 优雅降级行为
  5. 稳定性等级:★ 1-5 颗星

详见 [adapters/HOWTO.md](../../adapters/HOWTO.md)(待批次 3 实现)。

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Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.