# Mixed Parallel and Sequential Workflow
# Demonstrates nesting parallel and sequential blocks

agent worker:
  model: sonnet

# Define reusable blocks
block setup:
  session "Initialize resources"
  session "Validate configuration"

block cleanup:
  session "Save results"
  session "Release resources"

# Main workflow with mixed composition
do:
  do setup

  # Parallel processing phase
  parallel:
    # Each parallel branch can have multiple steps
    do:
      session: worker
        prompt: "Process batch 1 - step 1"
      session: worker
        prompt: "Process batch 1 - step 2"
    do:
      session: worker
        prompt: "Process batch 2 - step 1"
      session: worker
        prompt: "Process batch 2 - step 2"

  session "Aggregate results"

  do cleanup