{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://theintegrityframework.org/specs/brief-md/v0.1.0/schema.json",
  "title": "brief.md v0.1.0",
  "description": "Operator-published brand context — voice rules, credentials, identity, available assets — portable across tools.",
  "type": "object",
  "required": ["frontmatter", "sections"],
  "properties": {
    "frontmatter": {
      "type": "object",
      "required": ["spec_version", "document_type", "last_updated", "sections"],
      "properties": {
        "spec_version": {
          "type": "string",
          "enum": ["0.1.0"],
          "description": "Spec version. Consumers MAY refuse to parse unrecognized versions."
        },
        "spec_url": {
          "type": "string",
          "format": "uri",
          "description": "URL pointer to the spec document. Discovery anchor for tools that haven't seen brief.md before — fetch this URL to learn the format. Optional but recommended; v0.2.0 will mark required.",
          "examples": ["https://theintegrityframework.org/specs/brief-md/v0.1.0"]
        },
        "document_type": {
          "type": "string",
          "enum": ["operator-brief", "brand-brief", "journalist-brief"]
        },
        "operator_id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{0,63}$",
          "description": "URL-safe slug. Required for operator-brief."
        },
        "operator_version": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+$",
          "description": "Semver. Required for operator-brief."
        },
        "brand_id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{0,63}$",
          "description": "URL-safe slug. Required for brand-brief."
        },
        "brand_version": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+$"
        },
        "parent_operator_id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{0,63}$",
          "description": "Required for brand-brief; references the parent operator's slug."
        },
        "journalist_id": {
          "type": "string",
          "pattern": "^[a-z0-9][a-z0-9-]{0,63}$"
        },
        "journalist_version": {
          "type": "string",
          "pattern": "^\\d+\\.\\d+\\.\\d+$"
        },
        "last_updated": {
          "type": "string",
          "format": "date",
          "description": "ISO date."
        },
        "sections": {
          "type": "object",
          "description": "Canonical section-scope index. Authoritative source for which sections are public / pitch-shareable / private.",
          "additionalProperties": {
            "type": "string",
            "enum": ["public", "pitch-shareable", "private"]
          },
          "examples": [
            {
              "identity": "public",
              "credentials": "public",
              "voice-rules": "public"
            }
          ]
        }
      },
      "allOf": [
        {
          "if": { "properties": { "document_type": { "const": "operator-brief" } } },
          "then": { "required": ["operator_id", "operator_version"] }
        },
        {
          "if": { "properties": { "document_type": { "const": "brand-brief" } } },
          "then": {
            "required": ["brand_id"],
            "anyOf": [
              { "required": ["operator_id"] },
              { "required": ["parent_operator_id"] }
            ]
          }
        }
      ]
    },
    "sections": {
      "type": "object",
      "description": "Parsed section content, keyed by canonical section slug.",
      "properties": {
        "identity": { "$ref": "#/$defs/keyValueSection" },
        "credentials": { "$ref": "#/$defs/listSection" },
        "voice-rules": { "$ref": "#/$defs/voiceRulesSection" },
        "public-links": { "$ref": "#/$defs/keyValueSection" },
        "submission-assets": { "$ref": "#/$defs/keyValueSection" }
      },
      "additionalProperties": { "$ref": "#/$defs/genericSection" }
    },
    "raw_markdown": {
      "type": "string",
      "description": "Full source markdown verbatim. Optional in JSON serializations for clients that want the original."
    }
  },
  "$defs": {
    "keyValueSection": {
      "type": "object",
      "properties": {
        "fields": {
          "type": "object",
          "additionalProperties": { "type": "string" }
        }
      }
    },
    "listSection": {
      "type": "object",
      "properties": {
        "list": {
          "type": "array",
          "items": { "type": "string" }
        }
      }
    },
    "voiceRulesSection": {
      "type": "object",
      "properties": {
        "subsections": {
          "type": "object",
          "properties": {
            "banned-phrases": { "$ref": "#/$defs/listSection" },
            "banned-characters": { "$ref": "#/$defs/listSection" },
            "tone-rules": { "$ref": "#/$defs/keyValueSection" }
          }
        }
      }
    },
    "genericSection": {
      "type": "object",
      "description": "Any section not in the canonical v0.1.0 list. Carried verbatim for forward compatibility.",
      "properties": {
        "raw_markdown": { "type": "string" }
      }
    }
  }
}