{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "sources.schema.json",
  "title": "01_sources.json",
  "type": "object",
  "required": ["schema_version", "brief", "draft", "sources"],
  "properties": {
    "schema_version": {"const": "1.0"},
    "brief": {"$ref": "#/$defs/fileInventory"},
    "draft": {"oneOf": [{"$ref": "#/$defs/fileInventory"}, {"type": "null"}]},
    "sources": {"type": "array", "items": {"$ref": "#/$defs/fileInventory"}}
  },
  "$defs": {
    "fileInventory": {
      "type": "object",
      "required": ["id", "path", "sha256"],
      "properties": {
        "id": {"type": "string", "minLength": 1},
        "role": {"type": "string"},
        "path": {"type": "string"},
        "resolved_path": {"type": "string"},
        "size_bytes": {"type": "integer", "minimum": 0},
        "sha256": {"type": "string", "pattern": "^[0-9a-f]{64}$"},
        "locator": {"type": "string"},
        "version": {"type": "string"},
        "date": {"type": "string"},
        "environment": {"type": "string"},
        "retrieved_at": {"type": "string", "format": "date-time"}
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": true
}