forked from 1b-agent/opencadstudio-upstream
A layout plotted by window drew its sheet at the paper-space origin, so the title block sat on the grey background away from the paper. The sheet now centres on the plot window, or sits at the plot offset from it when the plot is not centred. Bump codec 8aa574a (polyline vertices in owned-handle order, which fixes self-crossing viewport clip boundaries), kernel d79bb30, graph 4810ee0. Fixes #1678 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>