{
  "version": 1,
  "files": [
    "site/examples/invoicing.meant"
  ],
  "diagnostics": [
    {
      "law": "L-dim-single-consumer",
      "code": "L-dim-single-consumer",
      "severity": "info",
      "message": "`dimension actor` has 1 consumer — dead-or-nestable vocabulary (§4.2).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 5,
          "col": 11
        },
        "end": {
          "line": 5,
          "col": 16
        }
      },
      "fix": "consume it, or delete it"
    },
    {
      "law": "L-no-writer",
      "code": "L-no-writer",
      "severity": "info",
      "message": "No action writes `LineItem.invoice`.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 17,
          "col": 9
        },
        "end": {
          "line": 17,
          "col": 16
        }
      },
      "fix": "declare the action that moves it, or drop the field"
    },
    {
      "law": "V12",
      "code": "unreachable-shape",
      "severity": "warning",
      "message": "no computed edge lands in `Draft`: no action's effects move a subject into the region, within scope (V12).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 19,
          "col": 1
        },
        "end": {
          "line": 19,
          "col": 23
        }
      },
      "fix": "declare the effect that moves a subject into it, or delete the shape"
    },
    {
      "law": "V12",
      "code": "unreachable-shape",
      "severity": "warning",
      "message": "no computed edge lands in `Empty`: no action's effects move a subject into the region, within scope (V12).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 25,
          "col": 1
        },
        "end": {
          "line": 25,
          "col": 23
        }
      },
      "fix": "declare the effect that moves a subject into it, or delete the shape"
    }
  ],
  "summary": {
    "errors": 0,
    "warnings": 2,
    "infos": 2
  },
  "verdicts": [
    {
      "kind": "witness",
      "subject": "Draft",
      "status": "verified",
      "message": "satisfiable — one concrete world lights this region up.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 19,
          "col": 1
        },
        "end": {
          "line": 19,
          "col": 23
        }
      },
      "counterexample": [
        "Invoice#1 (subject): status = draft",
        "today = 2026-03-15"
      ]
    },
    {
      "kind": "machine",
      "subject": "Sent",
      "status": "unprobeable",
      "message": "edges land in `Sent` but none computably leaves it: the region is terminal, or its exit lives in an effect the kernel cannot execute.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 22,
          "col": 1
        },
        "end": {
          "line": 22,
          "col": 22
        }
      }
    },
    {
      "kind": "witness",
      "subject": "Sent",
      "status": "verified",
      "message": "satisfiable — one concrete world lights this region up.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 22,
          "col": 1
        },
        "end": {
          "line": 22,
          "col": 22
        }
      },
      "counterexample": [
        "Invoice#1 (subject): status = sent",
        "today = 2026-03-15"
      ]
    },
    {
      "kind": "witness",
      "subject": "Empty",
      "status": "verified",
      "message": "satisfiable — one concrete world lights this region up.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 25,
          "col": 1
        },
        "end": {
          "line": 25,
          "col": 23
        }
      },
      "counterexample": [
        "Invoice#1 (subject)",
        "today = 2026-03-15"
      ]
    },
    {
      "kind": "probe",
      "subject": "SendInvoice@effect -> Sent",
      "status": "derived",
      "message": "the deltas land in `Sent` — authored nowhere, and correctly so (§4.6).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 28,
          "col": 1
        },
        "end": {
          "line": 28,
          "col": 30
        }
      }
    },
    {
      "kind": "replay",
      "subject": "SendingADraft#1",
      "status": "verified",
      "message": "lands in `Sent`.",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 38,
          "col": 41
        },
        "end": {
          "line": 38,
          "col": 45
        }
      }
    },
    {
      "kind": "replay",
      "subject": "SendingAnEmptyDraft#1",
      "status": "verified",
      "message": "denied `EMPTY_INVOICE` (`not Empty` does not hold).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 42,
          "col": 41
        },
        "end": {
          "line": 42,
          "col": 61
        }
      },
      "evidence": [
        "denied EMPTY_INVOICE"
      ]
    },
    {
      "kind": "replay",
      "subject": "SendingTwice#1",
      "status": "verified",
      "message": "denied `NOT_DRAFT` (`Draft` does not hold).",
      "file": "site/examples/invoicing.meant",
      "range": {
        "start": {
          "line": 46,
          "col": 47
        },
        "end": {
          "line": 46,
          "col": 63
        }
      },
      "evidence": [
        "denied NOT_DRAFT"
      ]
    }
  ]
}