/auth/{dbname}/state:
  get:
    tags:
      - auth
    summary: Get authentication state
    description: Gets current auth state
    parameters:
      - name: dbname
        in: path
        description: name of the database
        required: true
        schema:
          type: string
          example: mydb
    responses:
      200:
        description: returns whether the request was authenticated and by which user (determined by the sent Authorization header)
        content:
          'application/json':
            schema:
              type: object
              properties:
                signed_in:
                  type: boolean
                  example: true
                user:
                  $ref: '#/components/schemas/User'
              required:
                - signed_in