{
  "lexicon": 1,
  "id": "network.cosmik.card",
  "description": "A saved link or note in a Semble collection.",
  "defs": {
    "main": {
      "type": "record",
      "description": "A card representing a saved URL or a standalone note within a Semble collection.",
      "key": "tid",
      "record": {
        "type": "object",
        "required": ["type", "content", "createdAt"],
        "properties": {
          "type": {
            "type": "string",
            "enum": ["URL", "NOTE"],
            "description": "Whether this card is a saved URL or a standalone note."
          },
          "content": {
            "type": "union",
            "refs": ["network.cosmik.card#urlContent", "network.cosmik.card#noteContent"],
            "description": "The card content — either a URL with metadata or a text note."
          },
          "parentCard": {
            "type": "union",
            "refs": ["com.atproto.repo.strongRef"],
            "description": "Parent card this is a reply/annotation to."
          },
          "createdAt": {
            "type": "string",
            "format": "datetime",
            "description": "When the card was created."
          }
        }
      }
    },
    "urlContent": {
      "type": "object",
      "description": "Content for a URL-type card.",
      "required": ["url"],
      "properties": {
        "url": {
          "type": "string",
          "format": "uri",
          "description": "The saved URL."
        },
        "metadata": {
          "type": "network.cosmik.card#urlMetadata",
          "description": "Extracted metadata for the URL."
        }
      }
    },
    "noteContent": {
      "type": "object",
      "description": "Content for a note-type card.",
      "required": ["text"],
      "properties": {
        "text": {
          "type": "string",
          "maxGraphemes": 2000,
          "description": "The note text."
        }
      }
    },
    "urlMetadata": {
      "type": "object",
      "description": "Open Graph-style metadata extracted from a URL.",
      "properties": {
        "type": {
          "type": "string",
          "description": "OG type (e.g. 'link', 'article')."
        },
        "title": {
          "type": "string",
          "maxGraphemes": 500,
          "description": "Page title."
        },
        "description": {
          "type": "string",
          "maxGraphemes": 2000,
          "description": "Page description."
        },
        "imageUrl": {
          "type": "string",
          "format": "uri",
          "description": "OG image URL."
        }
      }
    }
  }
}