# YAML Schema for source type
type: object
properties:
  type:
    type: string
    const: "types/source.md"
    description: Must reference the source type-spec
  source_type:
    type: string
    enum: [article, document, notes, spec, image]
    default: notes
    description: The category of source material
  author:
    type: string
    description: Author of the source material
    minLength: 1
  raw_files:
    type: array
    items:
      type: string
    description: List of raw file paths this source covers
    minItems: 1
  source_url:
    type: [string, "null"]
    description: Upstream URL for external sources
    format: uri
  source_language:
    type: string
    pattern: "^[a-z]{2}$"
    description: >-
      ISO 639-1 code for the language of the raw material, e.g. de, en, fr.
      The page itself is written in the KB language regardless; this records
      what had to be translated. Optional - absent on pages predating the rule.
  date:
    type: string
    format: date
    pattern: "^\\d{4}-\\d{2}-\\d{2}$"
    description: Publication or creation date in YYYY-MM-DD format
  tags:
    type: array
    items:
      type: string
    description: Navigation tags for categorization
  entities:
    type: array
    items:
      type: string
    description: Entity titles mentioned in this source
  concepts:
    type: array
    items:
      type: string
    description: Concept titles mentioned in this source
  summary:
    type: string
    description: 1-line summary for index.md
    minLength: 1
required:
  - type
  - source_type
  - author
  - raw_files
  - date
  - summary
additionalProperties: false