ResourceLineage

A resource's bidirectional derived_from lineage, each side already gated to
what the caller may read.

{
    "ancestors": [
        {
            "depth": 0,
            "edge_folded": true,
            "edge_id": "b311b798-212e-414c-ba53-c572923101d4",
            "is_active": true,
            "ref": "string",
            "resource_id": "4d5215ed-38bb-48ed-879a-fdb9ca58522f",
            "title": "string"
        }
    ],
    "descendants": [
        {
            "depth": 0,
            "edge_folded": true,
            "edge_id": "b311b798-212e-414c-ba53-c572923101d4",
            "is_active": true,
            "ref": "string",
            "resource_id": "4d5215ed-38bb-48ed-879a-fdb9ca58522f",
            "title": "string"
        }
    ],
    "resource_id": "4d5215ed-38bb-48ed-879a-fdb9ca58522f"
}