Progress docs per craftrules standards/progress-docs.md: target-app parity, gaps, roadmap with alpha gate, readiness by audience (full / mainstream / essentials) with Opus 5.5 hours, and feature, format, layout, hardware, UI and localization parity docs.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Clean-room foundations for WordCraft: Arc-shared document model with
paragraph/run editing, styles, lists, sections and tables; Word-style
font substitution; first-fit line breaking with tabs, lists, alignment,
pagination, tables, headers/footers and hit testing; vello_cpu page
rasteriser.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>