{
  "id": "deduplicate",
  "name": "deduplicate",
  "kind": "step",
  "contentType": "component",
  "description": "Avoid repeating source items across feed collection runs.",
  "value": "Avoid repeating source items across feed collection runs.",
  "input": {
    "items": {
      "type": "object",
      "required": true,
      "notes": "Normalized items with canonical identity."
    },
    "cursor": {
      "type": "object",
      "required": true,
      "notes": "Previously processed identities."
    }
  },
  "output": {
    "items": {
      "type": "object",
      "notes": "New items only."
    },
    "cursor": {
      "type": "object",
      "notes": "Updated cursor after successful persistence."
    }
  },
  "needsEnv": [],
  "implementation": {
    "status": "planned",
    "source": null,
    "limitation": "Delivery receipts in Content are not a persistent feed cursor or content deduplication component."
  },
  "acceptance": {
    "status": "pending",
    "evidence": []
  },
  "usedBy": []
}