Pure-Python core of Workflow Sweep: parse an API-format workflow, suggest bindings,
expand them into jobs (cache-friendly axis order, resume fingerprints), substitute
into the template and append the collector node. Builder state emits kind=workflow
arrays, config_utils.expand_configs dispatches model_type=workflow, and
manifest_utils.append_items adds disk-fresh manifest appends.
Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
