{
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    "economic_signal_ids": [],
    "relation": "topic-surface-only",
    "scan_signal_ids": []
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  "dek": "How Xiamen turned a polluted lake into an urban bird haven",
  "desk": "politics",
  "event_id": "event-21b6727dc4fb032aa08d3cee",
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      "title": "How Xiamen turned a polluted lake into an urban bird haven",
      "url": "https://news.cgtn.com/news/2026-11-05/How-Xiamen-turned-a-polluted-lake-into-an-urban-bird-haven-1ROYWAHsexW/p.html",
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  "lead_reason": "Current single-source metadata is retained but not promoted as a lead.",
  "limitations": [
    "Palimpsest retained only feed title, canonical link, time, and a bounded plain-text excerpt; it did not fetch the article body.",
    "The evidence-strength label describes source structure, not truth, intent, impact, or causation.",
    "Declared instrument links are topical pointers until a separate scan or economic observation is joined by time and method.",
    "Title-similarity clustering can miss differently worded or cross-language accounts and can join closely worded updates.",
    "This dossier currently contains one independent evidence group and remains explicitly attributed."
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      "published_at": "2026-11-05T11:01:48Z",
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}