deterministic OCaml engine to compute and validate liturgical calendars for multiple rites, template-driven output to year 9999 https://git.labunix.xyz/colitur.git/atom?h=v0.3.1 2026-08-11T10:37:22Z 2026-08-11T10:37:22Z Lukasz Kasprzak lukas@labunix.xyz 2026-08-11T10:37:22Z urn:sha1:3cb45720f5e2ba7bd8be9a5113d866be22ad07a8 add/suppress/replace/field-edit folded in order, last writer wins per field, empty the identity. A directive naming an unknown slug, or adding one that already exists, yields a diagnostic rather than silence or a hard failure: overlays must survive a shifted base while still surfacing authoring errors.