sheetwise:0.1.0

[Hyperrick]

This adds sheetwise:0.1.0, a Typst-native imposition helper for arranging print work on press sheets.

We need this kind of package quite often in our own print workflows, and I did not find one Typst package that covered the whole workflow: repeated Typst-authored designs, finished PDF input, saddle-stitch booklet spreads, cut-and-stack numbering, asymmetric margins, explicit mark-only regions, and the usual print guides such as crop, registration, bleed, safe, fold, color, file header, and page-border marks.

A few details that are especially important for the package:

• one public renderer, impose(job, ...), with small job constructors such as repeat, variants, sequence, pdf, booklet, marks-only, and calibration
• two documented input modes: typeset content directly in Typst, or impose an already-finished PDF
• side-specific margins for asymmetric printer or finishing needs
• independent mark regions, so multiple crop-mark regions can exist on one sheet
• registration marks default to 4C process black, separate from normal crop mark color
• saddle-stitch page planning with blank-page handling, binding direction, fold marks, and creep compensation

The README is written as usage documentation, not only as a short package summary, because the terms matter for people who are not doing print imposition every day.

Validation run locally:

• cd authored/sheetwise && sh tests/run.sh with Typst 0.15.0
• cd authored/sheetwise && PATH=/tmp/sheetwise-typst-0.14.0/typst-aarch64-apple-darwin:$PATH sh tests/run.sh with Typst 0.14.0
• cd package-index/typst-packages && git diff --check upstream/main...HEAD
• cd package-index/typst-packages/packages && typst-package-check check @preview/sheetwise:0.1.0

[saecki]

Thanks!