Illustrate do proposal.

schema/workflow.yaml

@@ -72,11 +72,7 @@ properties:
  description: The workflow's secrets.
  description: Defines the workflow's reusable components.
  do:
- type: object
- minProperties: 1
- additionalProperties:
- $ref: '#/$defs/task'
- description: Defines the tasks the workflow must perform
+ $ref: '#/$defs/do'
  timeout:
  $ref: '#/$defs/timeout'
  description: The workflow's timeout configuration, if any.
@@ -100,6 +96,14 @@ properties:
  description: Specifies the events that trigger the workflow execution.
  description: Schedules the workflow
 $defs:
+ do:
+ description: A single unnamed task or a set of named tasks
+ anyOf:
+ - $ref: '#/defs/task'
+ - type: object
+ minProperties: 1
+ additionalProperties:
+ $ref: '#/$defs/task'
  task:
  type: object
  properties:
@@ -352,7 +356,7 @@ $defs:
  type: string
  description: A runtime expression that represents the condition, if any, that must be met for the iteration to continue.
  do:
- $ref: '#/$defs/task'
+ $ref: '#/$defs/do'
  description: Allows workflows to iterate over a collection of items, executing a defined set of subtasks for each item in the collection. This task type is instrumental in handling scenarios such as batch processing, data transformation, and repetitive operations across datasets.
  required: [ for, do ]
  listenTask:
@@ -524,7 +528,7 @@ $defs:
  $ref: '#/$defs/retryPolicy'
  description: The retry policy to use, if any, when catching errors.
  do:
- $ref: '#/$defs/task'
+ $ref: '#/$defs/do'
  description: The definition of the task to run when catching an error.
  required: [ try, catch ]
  description: Serves as a mechanism within workflows to handle errors gracefully, potentially retrying failed tasks before proceeding with alternate ones.