naming: localise liturgical day names in any language

2026-07-28T16:15:29Z

Add internal/naming, which renders temporal day names and celebration display names from the calendar engine's slugs in any language. English is the built-in baseline; a language is data -- an embedded lang/

.ini
(pl shipped) and/or a user file at /names/.ini that
overrides it key by key. Names compose from a small vocabulary plus
per-language format templates, so word order and grammatical case can
differ (e.g. Polish genitive "3. Niedziela Okresu Zwykłego"); any string a
language omits falls back to English.

- Move day-name generation out of calendar (calendar.HumanizeSlug removed,
  calendar stays a pure engine) into naming.DayName; the English golden
  cases carry over verbatim.
- naming.CelebrationName unifies the three duplicated resolvers
  (cli/readings/calfeed): name. -> English -> Latin -> humanized slug.
  Saint names stay in the calendar data (name.), overridable via
  calendar layers.
- config: ui_language now accepts any code (lower-cased, not clamped to
  en/pl) so names/.ini applies; UI chrome still resolves en/pl and
  falls back to English. Add NamesDir(); wire naming.SetUserDir (and the
  previously unwired bible.SetUserCorporaDir) in the TUI and web mains too,
  so external corpora and name files work across all three binaries.

lectio.git/internal/calendar/names_test.go, branch v0.46.1

naming: localise liturgical day names in any language

feat: humanize temporal-day display names (OF + EF)