{
  "operation": "header",
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    "discovered_at_utc": "2026-11-03T13:00:00.000Z",
    "scope": "current-selected-sources",
    "inventory_coverage": "selected-only",
    "transport_complete": true,
    "chunk_count": 21,
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    "document_sha256": "c71495c57a1bc078d52a1d581eef91f00f3174428807cc843d0e9b12c1363b17"
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}