{
  "schema_version": 1,
  "kind": "WEB_TOOL_CSV_CONTRACT_CHANGE_MANIFEST",
  "contract_id": "demo-v24",
  "old_revision": "rev1",
  "new_revision": "rev2",
  "input_rows": 2,
  "old": {"columns": ["code", "qty"], "accepted_rows": 2},
  "preview_before_confirmation": {"columns": ["sku", "qty", "region"], "accepted_rows": 1, "newly_rejected_rows": 1, "reason": "region-required"},
  "confirmation": {"source_file": "source-confirmation.csv", "confirmed_rows": 1, "auto_fill": false},
  "new": {"columns": ["sku", "qty", "region"], "accepted_rows": 2},
  "unresolved": 0,
  "reproducible_old_revision": true
}