list_workflows gives each card a route read from its saved graph: its
passes in run order, the model each draws with, a split's steps, an
enlargement, control models such as a Tile LLLite and what comes after.
A Flash run picked a one-pass card for a two-model job; it saw names only.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>