{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "additionalProperties": false,
  "properties": {
    "artifact_kind": {"const": "tool_schema_receipt"},
    "disposition": {"enum": ["deferred", "pass_through", "refused"]},
    "evidence_boundary": {"$ref": "evidence-boundary.schema.json"},
    "input": {
      "additionalProperties": false,
      "properties": {
        "byte_length": {"minimum": 0, "type": "integer"},
        "content_sha256": {"pattern": "^[0-9a-f]{64}$", "type": "string"}
      },
      "required": ["byte_length", "content_sha256"],
      "type": "object"
    },
    "output": {
      "additionalProperties": false,
      "properties": {
        "byte_length": {"minimum": 0, "type": "integer"},
        "content_sha256": {"pattern": "^[0-9a-f]{64}$", "type": "string"},
        "form": {"enum": ["exact_catalog", "none", "tool_schema_bundle"]}
      },
      "required": ["byte_length", "content_sha256", "form"],
      "type": "object"
    },
    "reason": {
      "enum": ["ambiguous", "beneficial", "catalog_unsupported", "duplicate_name", "exact_required", "input_too_small", "no_deferred_schemas", "protected", "refuse", "savings_ratio_too_small", "savings_too_small", "secret", "security_sensitive", "store_unavailable", "unknown"]
    },
    "route": {
      "additionalProperties": false,
      "properties": {
        "handle_bytes": {"minimum": 0, "type": "integer"},
        "input_bytes": {"minimum": 0, "type": "integer"},
        "mandatory_expansion_bytes": {"const": 0},
        "predicted_cost_bytes": {"minimum": 0, "type": "integer"},
        "retained_wire_bytes": {"minimum": 0, "type": "integer"},
        "wrapper_bytes": {"minimum": 0, "type": "integer"}
      },
      "required": ["handle_bytes", "input_bytes", "mandatory_expansion_bytes", "predicted_cost_bytes", "retained_wire_bytes", "wrapper_bytes"],
      "type": "object"
    },
    "schema_version": {"const": "contextguard-receipt-tool-schema-receipt/v1"},
    "shifted_bytes": {
      "additionalProperties": false,
      "properties": {
        "all_expansion_upper_bound_bytes": {"minimum": 0, "type": "integer"},
        "catalog_stored_envelope_bytes": {"minimum": 0, "type": "integer"},
        "deferred_raw_bytes": {"minimum": 0, "type": "integer"},
        "deferred_stored_envelope_bytes": {"minimum": 0, "type": "integer"},
        "single_expansion_upper_bound_bytes": {"minimum": 0, "type": "integer"}
      },
      "required": ["all_expansion_upper_bound_bytes", "catalog_stored_envelope_bytes", "deferred_raw_bytes", "deferred_stored_envelope_bytes", "single_expansion_upper_bound_bytes"],
      "type": "object"
    }
  },
  "required": ["artifact_kind", "disposition", "evidence_boundary", "input", "output", "reason", "route", "schema_version", "shifted_bytes"],
  "title": "Context Guard Receipt tool-schema receipt",
  "type": "object"
}