{
  "status": "documentary_leads_only",
  "buildingEvents": [],
  "eventSchema": {"buildingUUID": "required verified match", "eventType": "construction | alteration | demolition | use", "dateStart": "number or null", "dateEnd": "number or null", "citation": "exact page or archival shelfmark", "rights": "verified conditions for any copied media", "confidence": "documented | uncertain"},
  "resources": [
    {"title": "INSA · Sion, architecture 1850–1920 (Raemy-Berthod, 2003)", "url": "https://doi.org/10.5169/seals-10094", "purpose": "Address-level historical research; no dates imported"},
    {"title": "Archives de la Ville de Sion · instruments de recherche", "url": "https://www.sion.ch/publications/272695", "purpose": "Finding aid includes 1872 cadastral plans; not a georeferenced dataset"}
  ],
  "excludedAssets": "Sion1475 / Chronoscope XR and Sion4D models are not used. No verified reuse licence. Archive imagery is not copied."
}