type: object
description: Collection management response
properties:
  timestamp:
    type: string
    description: ISO timestamp
    format: date-time
    example: "2024-01-15T10:30:00Z"
  collections:
    type: array
    description: List of collections (returned by list-collections)
    items:
      type: object
      required:
        - user
        - collection
      properties:
        user:
          type: string
          description: User identifier
          example: alice
        collection:
          type: string
          description: Collection identifier
          example: research
        name:
          type: string
          description: Human-readable collection name
          example: Research Papers
        description:
          type: string
          description: Collection description
          example: Academic research papers on AI and ML
        tags:
          type: array
          description: Collection tags
          items:
            type: string
          example: ["research", "AI", "academic"]