CompositionTrace

The whole composition's disclosure: an ordered per-stage record array.
Eq dropped with [StageTrace]'s, and for its reason — see the note there.
{
    "stages": [
        {
            "act": "find-exact",
            "artifact_asks": [
                {
                    "in_force": {
                        "shape_id": "31ac396b-c69d-49ad-bb94-019763bcfde0",
                        "shape_version": 0
                    },
                    "population": {
                        "declared_not_satisfied": 0,
                        "declared_not_yet_checked": 0,
                        "declared_satisfied": 0,
                        "matched": 0
                    },
                    "position": 0,
                    "shape_id": "31ac396b-c69d-49ad-bb94-019763bcfde0",
                    "shape_version": 0
                }
            ],
            "disclosed_regions": [
                {
                    "region_id": "b85c353a-cf17-4085-995a-928552ce32d0",
                    "region_score": 0
                }
            ],
            "disposition": "answered",
            "extent": {
                "extent": "complete"
            },
            "input_ids": 0,
            "input_unusable": 0,
            "inputs": [
                {
                    "ids": 0,
                    "relation": "bound",
                    "source": {
                        "source": "upstream",
                        "stage": "string"
                    }
                }
            ],
            "narrowed_by": [
                {
                    "admitted": 0,
                    "excluded": 0,
                    "key": "string",
                    "value": "string"
                }
            ],
            "produced_ids": 0,
            "refusal": {
                "detail": "string",
                "reason": "unsupported_bound_kind"
            },
            "stage": "string",
            "terms_applied": {
                "property1": 0,
                "property2": 0
            }
        }
    ]
}