{
  "schema": "MAKNOW_CON021_LAB_FIXTURES_v1",
  "cases": [
    {
      "id": "case_01_baseline",
      "handoff_id": "h-01",
      "outbound_artifact_id": "out-01",
      "outbound_digest": "sha256:aaa1",
      "outbound_manifest_id": "man-out-01",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T09:00:00Z",
      "transfer_receipt_id": "rcpt-01",
      "declared_work_scope": "crop+captions",
      "change_note": "crop and captions completed",
      "returned_artifact_id": "ret-01",
      "returned_digest": "sha256:bbb1",
      "returned_manifest_id": "man-ret-01",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "APPROVED",
      "transfer": false
    },
    {
      "id": "case_02_byte_identical_renamed",
      "handoff_id": "h-02",
      "outbound_artifact_id": "out-02",
      "outbound_digest": "sha256:same2",
      "outbound_manifest_id": "man-out-02",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T09:10:00Z",
      "transfer_receipt_id": "rcpt-02",
      "declared_work_scope": "verification only",
      "change_note": "no byte changes; renamed return container",
      "returned_artifact_id": "ret-02-final-v2",
      "returned_digest": "sha256:same2",
      "returned_manifest_id": "man-ret-02",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "APPROVED",
      "return_filename": "final-v2.zip",
      "transfer": false
    },
    {
      "id": "case_03_missing_change_note",
      "handoff_id": "h-03",
      "outbound_artifact_id": "out-03",
      "outbound_digest": "sha256:aaa3",
      "outbound_manifest_id": "man-out-03",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T09:20:00Z",
      "transfer_receipt_id": "rcpt-03",
      "declared_work_scope": "grade+mix",
      "change_note": null,
      "returned_artifact_id": "ret-03",
      "returned_digest": "sha256:bbb3",
      "returned_manifest_id": "man-ret-03",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "PENDING",
      "transfer": false
    },
    {
      "id": "case_04_checksum_failure",
      "handoff_id": "h-04",
      "outbound_artifact_id": "out-04",
      "outbound_digest": "sha256:aaa4",
      "outbound_manifest_id": "man-out-04",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T09:30:00Z",
      "transfer_receipt_id": "rcpt-04",
      "declared_work_scope": "edit",
      "change_note": "edit completed",
      "returned_artifact_id": "ret-04",
      "returned_digest": "sha256:bbb4",
      "returned_manifest_id": "man-ret-04",
      "bag_complete": true,
      "checksums_verified": false,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "PENDING",
      "transfer": false
    },
    {
      "id": "case_05_ambiguous_outbound",
      "handoff_id": "h-05",
      "outbound_artifact_id": null,
      "outbound_digest": null,
      "outbound_manifest_id": null,
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T09:40:00Z",
      "transfer_receipt_id": "rcpt-05",
      "declared_work_scope": "edit unknown source",
      "change_note": "edited provided package",
      "returned_artifact_id": "ret-05",
      "returned_digest": "sha256:bbb5",
      "returned_manifest_id": "man-ret-05",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": false,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "PENDING",
      "transfer": false
    },
    {
      "id": "case_06_missing_receipt_recipient",
      "handoff_id": "h-06",
      "outbound_artifact_id": "out-06",
      "outbound_digest": "sha256:aaa6",
      "outbound_manifest_id": "man-out-06",
      "sender_agent": "producer-01",
      "recipient_agent": null,
      "handoff_timestamp": "2026-09-17T09:50:00Z",
      "transfer_receipt_id": null,
      "declared_work_scope": "edit",
      "change_note": "completed",
      "returned_artifact_id": "ret-06",
      "returned_digest": "sha256:bbb6",
      "returned_manifest_id": "man-ret-06",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "PENDING",
      "transfer": false
    },
    {
      "id": "case_07_external_source_untraced",
      "handoff_id": "h-07",
      "outbound_artifact_id": "out-07",
      "outbound_digest": "sha256:aaa7",
      "outbound_manifest_id": "man-out-07",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T10:00:00Z",
      "transfer_receipt_id": "rcpt-07",
      "declared_work_scope": "replace plate + captions",
      "change_note": "replaced plate using ext-source-x; source cannot be traced to outbound bundle",
      "returned_artifact_id": "ret-07",
      "returned_digest": "sha256:bbb7",
      "returned_manifest_id": "man-ret-07",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": true,
      "external_source_disclosed": true,
      "external_source_traceable": false,
      "external_source_id": "ext-source-x",
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "RESTRICTED",
      "transfer": true
    },
    {
      "id": "case_08_reviewer_rejects",
      "handoff_id": "h-08",
      "outbound_artifact_id": "out-08",
      "outbound_digest": "sha256:aaa8",
      "outbound_manifest_id": "man-out-08",
      "sender_agent": "producer-01",
      "recipient_agent": "editor-01",
      "handoff_timestamp": "2026-09-17T10:10:00Z",
      "transfer_receipt_id": "rcpt-08",
      "declared_work_scope": "edit",
      "change_note": "edit completed",
      "returned_artifact_id": "ret-08",
      "returned_digest": "sha256:bbb8",
      "returned_manifest_id": "man-ret-08",
      "bag_complete": true,
      "checksums_verified": true,
      "derivation_linked": true,
      "external_source_present": false,
      "external_source_disclosed": false,
      "external_source_traceable": false,
      "acceptance_reviewer": "reviewer-01",
      "reviewer_acceptance": "REJECTED",
      "rejection_reason": "editorial quality gate failed",
      "transfer": false
    }
  ]
}