Saved state always wins over a fresh proposal, which is what the
project file is for — but it also means a project made before detection
proposed a content rectangle keeps the old whole-page one forever, and
reopening or re-exporting changes nothing.
--refit re-runs the proposal over every page while leaving cuts,
discards, stepped cuts and metadata untouched. Verified on the real
Engel project: rectangles updated on all 6 pages, all 4 cuts per page
kept including both stepped ones, metadata intact, and exported slices
scale larger now that the margin shadow no longer pads the width.
--force remains the destructive option that re-detects everything.
Esa Kataja
54b8e37657