Add the Circumcision of Our Lord (Jan 1) as a proper temporal feast

Jan 1 previously fell through to generic Christmastide-feria content with
no identity of its own, despite being Christmas's own Octave Day. Adds a
`fixed-date` anchor kind to calendar/movable-feasts.ts's MovableAnchor
(the existing easter/nth-sunday kinds can't express "always Jan 1"),
plus the feast's collect, Magnificat/Benedictus antiphons, full Lauds
psalmody, capitulum, versicle, and two Matins nocturn readings (Leo the
Great, Ambrose), sourced from Sancti/01-01.txt.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014axryJBrRswYh2niA7WCUc
This commit is contained in:
2026-08-26 16:27:39 -04:00
parent 4bbd78b1fd
commit f56fb3bd64
12 changed files with 309 additions and 1 deletions
+1
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@@ -49,6 +49,7 @@ export const ALWAYS_OVERRIDE_TEMPORAL_IDS = new Set([
'christ-the-king',
'christmas-octave-sunday',
'immaculate-heart-of-mary',
'circumcision',
]);
/**