type: object
description: |
  Document load request - load binary document (PDF, etc.) into processing pipeline.

  Fire-and-forget operation (no response).
required:
  - data
properties:
  data:
    type: string
    description: Document data (base64 encoded)
    format: byte
    example: JVBERi0xLjQKJeLjz9MKMSAwIG9iago8PC9UeXBlL...
  id:
    type: string
    description: Document identifier
    example: doc-456
  user:
    type: string
    description: User identifier
    default: trustgraph
    example: alice
  collection:
    type: string
    description: Collection for document
    default: default
    example: research
  metadata:
    type: array
    description: Document metadata as RDF triples
    items:
      $ref: '../../common/Triple.yaml'