forked from 1b-agent/opencadstudio-upstream
Three defects found reviewing the just-merged PRs: - PLOTWINDOW forced corner snap (#293) only ran in the on_tick preview path, so the marker highlighted an endpoint but the click committed a plain snap — with the global OSNAP master (or Endpoint mode) off the corner landed at the raw cursor, defeating the feature. Apply the same snap_forced_corners branch at the click-commit recompute. - build_dxf_pattern (#292) wrote the pattern line's LOCAL step into the world-frame HatchPatternLine.offset. The new prebaked reader inverse-rotates offset assuming world frame, so app-created hatches (HATCH command) collapsed their spacing by cos(angle) — ANSI31 at 45deg rendered 2.245 instead of 3.175 on both viewport and PDF/plot export. Rotate the local step into world here so it round-trips and the stored offset is format-correct for other CAD apps. - far_from_origin_pattern_hatch_still_fills placed its offset ALONG the 45deg lines (projects to k~0), so it never exercised the span-cap fix and passed even with the old absolute-index clamp restored. Move the offset perpendicular to the lines so |k| >> the cap. Add app_created_hatch_roundtrips_catalog_spacing to guard the offset-frame fix (verified: fails at 2.245 without it, passes at 3.175 with it). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>