{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "Computer Use Native Provider and Model Manifest",
  "type": "object",
  "additionalProperties": false,
  "required": ["schema_version", "native_providers", "model_artifacts", "fail_closed"],
  "properties": {
    "$schema": {"type": "string"},
    "schema_version": {"const": "computer-use-manifest/0.1"},
    "native_providers": {
      "type": "array",
      "items": {"$ref": "#/$defs/nativeProvider"}
    },
    "model_artifacts": {
      "type": "array",
      "items": {"$ref": "#/$defs/modelArtifact"}
    },
    "fail_closed": {
      "type": "object",
      "additionalProperties": false,
      "required": ["unverified_model_status", "diagnostic_code", "allow_startup_without_optional_dependencies"],
      "properties": {
        "unverified_model_status": {"const": "unavailable"},
        "diagnostic_code": {"const": "MODEL_PROVENANCE_UNVERIFIED"},
        "allow_startup_without_optional_dependencies": {"type": "boolean", "const": true}
      }
    }
  },
  "$defs": {
    "nativeProvider": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "package", "version", "status", "platforms", "exports", "verification"],
      "properties": {
        "id": {"type": "string", "pattern": "^[a-z0-9.-]+$"},
        "package": {"type": "string", "minLength": 1},
        "version": {"type": "string", "pattern": "^[0-9]+\\.[0-9]+\\.[0-9]+$"},
        "status": {"enum": ["verified_local", "registry_contract_only", "unverified"]},
        "platforms": {"type": "array", "items": {"enum": ["win32", "darwin", "linux"]}, "minItems": 1},
        "architectures": {"type": "array", "items": {"enum": ["x64", "arm64"]}, "minItems": 1},
        "unsupported_platforms": {"type": "array", "items": {"enum": ["win32", "darwin", "linux"]}},
        "exports": {"type": "array", "items": {"type": "string", "minLength": 1}, "minItems": 1},
        "verification": {"type": "string", "minLength": 1}
      }
    },
    "modelArtifact": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "kind", "status", "path", "package", "package_version", "provenance"],
      "properties": {
        "id": {"type": "string", "minLength": 1},
        "kind": {"enum": ["ocr_detector", "ocr_recognizer", "ocr_classifier", "ui_detector"]},
        "status": {"enum": ["verified_local", "registry_contract_only", "unverified_missing"]},
        "path": {"type": "string", "minLength": 1},
        "package": {"type": ["string", "null"]},
        "package_version": {"type": ["string", "null"]},
        "provenance": {"type": ["string", "null"]},
        "sha256": {"type": "string", "pattern": "^[a-f0-9]{64}$"},
        "diagnostic": {"type": "string", "minLength": 1}
      },
      "allOf": [
        {"if": {"properties": {"status": {"const": "verified_local"}}}, "then": {"required": ["sha256", "provenance"]}},
        {"if": {"properties": {"status": {"const": "unverified_missing"}}}, "then": {"required": ["diagnostic"], "properties": {"provenance": {"type": "null"}}}}
      ]
    }
  }
}