{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://obliteratus.dev/schemas/conversion-manifest-v1.schema.json",
  "title": "OBLITERATUS Checkpoint Conversion Manifest v1",
  "type": "object",
  "additionalProperties": false,
  "required": [
    "schema_id",
    "schema_version",
    "manifest_id",
    "descriptor",
    "source_inventory_digest",
    "source_files",
    "adapter",
    "source_topology",
    "state",
    "dropped_scopes",
    "canonical_output",
    "resource_usage",
    "validation",
    "provenance",
    "publication"
  ],
  "properties": {
    "schema_id": {"const": "obliteratus.conversion-manifest"},
    "schema_version": {"const": "1.0.0"},
    "manifest_id": {"$ref": "#/$defs/id"},
    "descriptor": {
      "type": "object",
      "additionalProperties": false,
      "required": ["schema_version", "digest"],
      "properties": {
        "schema_version": {"const": "1.0.0"},
        "digest": {"$ref": "#/$defs/digest"}
      }
    },
    "source_inventory_digest": {"$ref": "#/$defs/digest"},
    "source_files": {
      "type": "array",
      "minItems": 1,
      "items": {"$ref": "#/$defs/file"}
    },
    "adapter": {
      "type": "object",
      "additionalProperties": false,
      "required": ["id", "version", "capability_digest", "producer", "producer_version"],
      "properties": {
        "id": {"$ref": "#/$defs/id"},
        "version": {"$ref": "#/$defs/id"},
        "capability_digest": {"$ref": "#/$defs/digest"},
        "producer": {"$ref": "#/$defs/id"},
        "producer_version": {"$ref": "#/$defs/id"}
      }
    },
    "source_topology": {"type": "object"},
    "state": {
      "type": "object",
      "additionalProperties": false,
      "required": ["source_classification", "output_classification", "observed_scopes"],
      "properties": {
        "source_classification": {"enum": ["weights_only", "model_and_optimizer", "exact_resume", "unknown"]},
        "output_classification": {"const": "weights_only"},
        "observed_scopes": {"type": "array", "uniqueItems": true, "items": {"$ref": "#/$defs/id"}}
      }
    },
    "dropped_scopes": {
      "type": "array",
      "uniqueItems": true,
      "items": {
        "type": "object",
        "additionalProperties": false,
        "required": ["scope", "reason"],
        "properties": {
          "scope": {"$ref": "#/$defs/id"},
          "reason": {"type": "string", "minLength": 1, "maxLength": 2048}
        }
      }
    },
    "canonical_output": {
      "type": "object",
      "additionalProperties": false,
      "required": ["format", "dtype_policy", "files", "hf_index", "logical_tensor_count", "logical_bytes"],
      "properties": {
        "format": {"const": "hf_safetensors"},
        "dtype_policy": {"$ref": "#/$defs/id"},
        "files": {"type": "array", "minItems": 1, "items": {"$ref": "#/$defs/file"}},
        "hf_index": {"type": ["string", "null"], "maxLength": 4096},
        "logical_tensor_count": {"$ref": "#/$defs/int64"},
        "logical_bytes": {"$ref": "#/$defs/int64"}
      }
    },
    "resource_usage": {
      "type": "object",
      "additionalProperties": false,
      "required": ["estimated_peak_ram_bytes", "actual_peak_ram_bytes", "estimated_temp_bytes", "actual_temp_bytes"],
      "properties": {
        "estimated_peak_ram_bytes": {"$ref": "#/$defs/int64"},
        "actual_peak_ram_bytes": {"anyOf": [{"$ref": "#/$defs/int64"}, {"type": "null"}]},
        "estimated_temp_bytes": {"$ref": "#/$defs/int64"},
        "actual_temp_bytes": {"anyOf": [{"$ref": "#/$defs/int64"}, {"type": "null"}]}
      }
    },
    "validation": {
      "type": "object",
      "additionalProperties": false,
      "required": ["coverage", "replicas", "ties", "hashes", "index", "safe_reload", "source_unchanged", "result"],
      "properties": {
        "coverage": {"type": "boolean"},
        "replicas": {"type": "boolean"},
        "ties": {"type": "boolean"},
        "hashes": {"type": "boolean"},
        "index": {"type": "boolean"},
        "safe_reload": {"type": "boolean"},
        "source_unchanged": {"type": "boolean"},
        "result": {"enum": ["passed", "failed"]}
      }
    },
    "provenance": {
      "type": "object",
      "additionalProperties": false,
      "required": ["obliteratus_commit", "configuration_digest", "tokenizer_digest", "base_model", "transformation_log", "unknowns"],
      "properties": {
        "obliteratus_commit": {"type": "string", "pattern": "^[0-9a-f]{40}$"},
        "configuration_digest": {"type": ["string", "null"], "pattern": "^(sha256:[0-9a-f]{64})?$"},
        "tokenizer_digest": {"type": ["string", "null"], "pattern": "^(sha256:[0-9a-f]{64})?$"},
        "base_model": {
          "type": "object",
          "additionalProperties": false,
          "required": ["identity", "revision", "digest"],
          "properties": {
            "identity": {"type": ["string", "null"], "maxLength": 512},
            "revision": {"type": ["string", "null"], "maxLength": 256},
            "digest": {"anyOf": [{"$ref": "#/$defs/digest"}, {"type": "null"}]}
          }
        },
        "transformation_log": {"type": "array", "items": {"type": "string", "maxLength": 2048}},
        "unknowns": {"type": "array", "items": {"type": "string", "maxLength": 2048}}
      }
    },
    "publication": {
      "type": "object",
      "additionalProperties": false,
      "required": ["staging_validated", "promoted", "atomic_strategy", "rollback_result"],
      "properties": {
        "staging_validated": {"type": "boolean"},
        "promoted": {"type": "boolean"},
        "atomic_strategy": {"$ref": "#/$defs/id"},
        "rollback_result": {"enum": ["not_required", "succeeded", "failed"]}
      }
    }
  },
  "$defs": {
    "id": {"type": "string", "minLength": 1, "maxLength": 512},
    "int64": {"type": "integer", "minimum": 0, "maximum": 9223372036854775807},
    "digest": {"type": "string", "pattern": "^sha256:[0-9a-f]{64}$"},
    "file": {
      "type": "object",
      "additionalProperties": false,
      "required": ["relative_path", "size_bytes", "sha256"],
      "properties": {
        "relative_path": {"type": "string", "minLength": 1, "maxLength": 4096, "not": {"pattern": "(^/|(^|/)\\.\\.(/|$))"}},
        "size_bytes": {"$ref": "#/$defs/int64"},
        "sha256": {"$ref": "#/$defs/digest"}
      }
    }
  }
}