[
  {
    "rule_id": "drop-low-content",
    "enabled": true,
    "stop_on_match": true,
    "conditions_all": [
      { "field": "article.quality_flags.is_low_content", "op": "eq", "value": true }
    ],
    "action": {
      "decision": "drop",
      "reason": "Extracted article quality is too low.",
      "labels": ["quality", "low-content"],
      "priority": 100
    }
  },
  {
    "rule_id": "review-truncated-content",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "article.quality_flags.is_truncated", "op": "eq", "value": true }
    ],
    "action": {
      "decision": "review",
      "reason": "Extracted article may be truncated.",
      "labels": ["quality", "truncated"],
      "priority": 95
    }
  },
  {
    "rule_id": "review-paywalled-content",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "article.quality_flags.is_paywalled", "op": "eq", "value": true }
    ],
    "action": {
      "decision": "review",
      "reason": "Article may be behind a paywall.",
      "labels": ["quality", "paywall"],
      "priority": 95
    }
  },
  {
    "rule_id": "drop-ephemeral-news",
    "enabled": true,
    "stop_on_match": true,
    "conditions_all": [
      { "field": "summary.category", "op": "eq", "value": "资讯" },
      { "field": "summary.worth_keeping", "op": "eq", "value": false }
    ],
    "action": {
      "decision": "drop",
      "reason": "News-like content marked as not worth keeping.",
      "labels": ["summary", "ephemeral-news"],
      "priority": 90
    }
  },
  {
    "rule_id": "keep-worth-keeping-method",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "summary.worth_keeping", "op": "eq", "value": true },
      { "field": "summary.category", "op": "in", "value": ["方法论", "工具实践"] }
    ],
    "action": {
      "decision": "keep",
      "reason": "Structured summary marked the content as worth keeping in a durable category.",
      "labels": ["summary", "durable"],
      "priority": 80
    }
  },
  {
    "rule_id": "keep-interest-topic",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "summary.worth_keeping", "op": "eq", "value": true },
      { "field": "summary.category", "op": "not_in", "value": ["资讯"] },
      { "field": "summary.topics", "op": "overlap", "value": { "from_field": "context.interest_topics" } }
    ],
    "action": {
      "decision": "keep",
      "reason": "Topics overlap with the backend and AI-agent interest profile on non-news content.",
      "labels": ["interest", "topic-match"],
      "priority": 78
    }
  },
  {
    "rule_id": "keep-interest-keyword",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "summary.worth_keeping", "op": "eq", "value": true },
      { "field": "summary.category", "op": "not_in", "value": ["资讯"] },
      { "field": "summary.keywords", "op": "overlap", "value": { "from_field": "context.interest_keywords" } }
    ],
    "action": {
      "decision": "keep",
      "reason": "Keywords match the backend engineering or AI-agent watchlist on durable content.",
      "labels": ["interest", "keyword-match", "engineering"],
      "priority": 77
    }
  },
  {
    "rule_id": "review-interest-news-watch",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "summary.category", "op": "eq", "value": "资讯" }
    ],
    "conditions_any": [
      { "field": "summary.topics", "op": "overlap", "value": { "from_field": "context.interest_topics" } },
      { "field": "summary.keywords", "op": "overlap", "value": { "from_field": "context.interest_keywords" } }
    ],
    "action": {
      "decision": "review",
      "reason": "Relevant frontier or engineering news should be watched first instead of auto-kept.",
      "labels": ["interest", "news-watch"],
      "priority": 70
    }
  },
  {
    "rule_id": "review-worth-keeping-other",
    "enabled": true,
    "stop_on_match": false,
    "conditions_all": [
      { "field": "summary.worth_keeping", "op": "eq", "value": true }
    ],
    "action": {
      "decision": "review",
      "reason": "Worth-keeping signal is positive but no stronger keep rule matched.",
      "labels": ["summary", "needs-review"],
      "priority": 60
    }
  }
]