Function display_plan 

pub fn display_plan(
    instance: &Instance,
    loaded: &Loaded,
    available: &AvailableKernels,
    (mode, rows): (Mode, u64),
    opts: &DisplayOpts,
    families: &Families,
) -> Result<Document, LoadError>

2026-09-28: Fuse, lay out and draw one plan of instance: the view met circuit display prints, over the same plan render_plan renders. 2026-10-02: Checked and drawn with each node’s pipeline, as render_plan.