[
  {
    "title": "Test Item: Carbon disclosure and ETS expansion — pipeline verification",
    "url": "https://example.com/test-item",
    "source_url": "https://example.com/test-item",
    "domain": "example.com",
    "published_at": "2026-02-22",
    "meta_description": "Synthetic test item for validating English-only blog generation.",
    "preview_text": "This is a synthetic preview excerpt used only to verify that the pipeline generates an English-only Markdown blog post.",
    "source_id": "test",
    "region": {},
    "query": "test",
    "topic_hits": [],
    "dedupe_key": "test",
    "score": 999.0
  }
]