{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://vow-lang.dev/schemas/contracts-result.schema.json",
  "title": "ContractsResult",
  "description": "JSON output from `vow contracts` on stdout",
  "type": "object",
  "required": ["contracts", "summary"],
  "properties": {
    "contracts": {
      "type": "array",
      "items": {
        "type": "object",
        "required": ["vow_id", "function", "kind", "description", "blame", "source", "status", "quality"],
        "properties": {
          "vow_id": {
            "type": "integer",
            "description": "Unique contract identifier within the program"
          },
          "function": {
            "type": "string",
            "description": "Function containing this contract"
          },
          "kind": {
            "type": "string",
            "enum": ["requires", "ensures", "invariant"],
            "description": "Contract kind"
          },
          "description": {
            "type": "string",
            "description": "Full contract text"
          },
          "blame": {
            "type": "string",
            "enum": ["Caller", "Callee"],
            "description": "Blame assignment: Caller for requires, Callee for ensures/invariant"
          },
          "source": {
            "type": "object",
            "required": ["file", "offset"],
            "properties": {
              "file": {
                "type": "string",
                "description": "Source file path"
              },
              "offset": {
                "type": "integer",
                "description": "Byte offset in source file"
              }
            },
            "additionalProperties": false
          },
          "status": {
            "type": "string",
            "enum": ["proven", "proven-ir", "failed", "unknown", "timeout", "error", "not_verified", "skipped", "vacuous"],
            "description": "Verification status"
          },
          "quality": {
            "type": "string",
            "enum": ["weak", "tautological", "substantive"],
            "description": "Static, no-ESBMC classification of the clause shape: weak (an ensures that only bounds result by a constant), tautological (constant clause that says nothing), or substantive (equality/relational/inverse/call). See contracts-methodology.md"
          },
          "trivially_satisfiable": {
            "type": "boolean",
            "description": "`--verify` only: true when a trivial `return <default>` body still satisfies this `ensures` (verification-confirmed weakness). Always false for `requires`/`invariant` and without `--verify`. Informational; never affects the exit code. See contracts-methodology.md"
          }
        },
        "additionalProperties": false
      }
    },
    "summary": {
      "type": "object",
      "required": ["total", "proven", "failed", "unknown", "timeout", "error", "not_verified", "skipped", "quality"],
      "properties": {
        "total": { "type": "integer" },
        "proven": { "type": "integer" },
        "failed": { "type": "integer" },
        "unknown": { "type": "integer" },
        "timeout": { "type": "integer" },
        "error": { "type": "integer" },
        "not_verified": { "type": "integer" },
        "skipped": { "type": "integer" },
        "vacuous": { "type": "integer" },
        "trivially_satisfiable": { "type": "integer" },
        "quality": {
          "type": "object",
          "description": "Static contract-quality tallies independent of verification status",
          "required": ["weak", "tautological", "substantive"],
          "properties": {
            "weak": { "type": "integer" },
            "tautological": { "type": "integer" },
            "substantive": { "type": "integer" }
          },
          "additionalProperties": false
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}