覆盖与约束审计

“无偏”不是结论；这里公开的是当前可观测候选池及选择结果。

三平台采集健康

平台	数据源	开关	状态	本次条目
toutiao	今日头条热榜	启用	正常	30
toutiao	今日头条公开主页（请替换 token 并启用）	停用	尚未采集	0
xiaohongshu	小红书公开主页（请替换用户 ID 并启用）	停用	尚未采集	0
zhihu	知乎热榜	启用	正常	20
zhihu	知乎公开主页（请替换用户名并启用）	停用	尚未采集	0

本期机器可读审计

{
  "candidate_count": 50,
  "candidate_platform_distribution": {
    "toutiao": 30,
    "zhihu": 20
  },
  "candidate_topic_distribution": {
    "economy": 4,
    "education": 1,
    "entertainment": 2,
    "public_affairs": 2,
    "relationships": 1,
    "science": 1,
    "technology": 2,
    "travel": 1,
    "unknown": 35,
    "work": 1
  },
  "constraints": {
    "candidate_pool_target": 1500,
    "edition_size": 300,
    "maximum_hotlist_items": 60,
    "maximum_per_event": 3,
    "maximum_per_platform": 120,
    "maximum_per_source": 30
  },
  "exact_duplicate_count": 0,
  "exact_duplicate_group_count": 0,
  "hotlist_count": 50,
  "missing_required_platform_data": [
    "xiaohongshu"
  ],
  "rejection_reasons": {},
  "selected_acquisition_distribution": {
    "hotlist": 50
  },
  "selected_count": 50,
  "selected_platform_distribution": {
    "toutiao": 30,
    "zhihu": 20
  },
  "selected_source_distribution": {
    "toutiao-hot-trendradar": 30,
    "zhihu-hot-trendradar": 20
  },
  "selected_topic_distribution": {
    "economy": 4,
    "education": 1,
    "entertainment": 2,
    "public_affairs": 2,
    "relationships": 1,
    "science": 1,
    "technology": 2,
    "travel": 1,
    "unknown": 35,
    "work": 1
  },
  "shortfalls": [
    "版本预算 300，实际选择 50；候选量或硬上限不足",
    "候选池目标 1500，当前只有 50；分布统计仅描述当前可观测样本",
    "以下必选平台没有可观测候选：xiaohongshu"
  ],
  "source_hhi": 0.52,
  "unique_candidate_events": 50,
  "unique_candidate_sources": 2,
  "unique_selected_events": 50,
  "unique_selected_sources": 2,
  "unknown_topic_count": 35
}