lectio.git/docs/superpowers/specs/2026-07-27-lectio-calendar-engine-design.md, branch main

lectio.git/docs/superpowers/specs/2026-07-27-lectio-calendar-engine-design.md, branch main offline Catholic daily readings and liturgical calendar in Go, with CLI, TUI and web clients https://git.labunix.xyz/lectio.git/atom?h=main 2026-07-27T10:00:28Z docs: design for self-contained OF liturgical calendar engine (sub-project #1) 2026-07-27T10:00:28Z Lukasz Kasprzak lukas@labunix.xyz 2026-07-27T10:00:28Z urn:sha1:3a46ec31b4b20fe58f1b24f0bb5b47af67ae99fa Offline, pure-Go, stdlib-only engine computing the Ordinary Form liturgical day (season/rank/colour/observed + inline propers) from Computus + embedded General Roman Calendar + Universal Norms precedence, replacing the scrape. Locks the epic's formats (INI config + INI-section celebration records, TSV corpora, JSON/iCal API) and six-layer architecture; 25-50yr longevity mandate. Part of the self-contained-calendar epic.