From 2a98386bddb4dda8e85deaaaa0170064de0fbc85 Mon Sep 17 00:00:00 2001 From: Will Estes Date: Fri, 4 Sep 2026 15:37:59 -0400 Subject: [PATCH] Log the Suffragium Paschale mechanism fix in TODO.md Co-Authored-By: Claude Sonnet 5 Claude-Session: https://claude.ai/code/session_01AGjUyhUZJaSjiniEmnLdak --- TODO.md | 46 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 43 insertions(+), 3 deletions(-) diff --git a/TODO.md b/TODO.md index be85d4c..ebeddaa 100644 --- a/TODO.md +++ b/TODO.md @@ -19,9 +19,8 @@ across every hour and content type in this app. 1. **Mechanism gaps** — a real design/code piece not built yet, blocking any content pass on it from starting: - - Paschaltide should substitute the ordinary suffrages/ferial-Preces set with a single - alleluia-form "Suffragium Paschale" — not modeled; the ordinary set is shown unchanged - throughout Paschaltide instead. + - (none currently open — the last one, Paschaltide's "Suffragium Paschale" substitution, + was closed 2026-09-04, see the dated log below) 2. **Minimal-proof-done, bulk content pending** — mechanism is built and trusted (a proof date/entry already resolves correctly end-to-end); what's left is authoring/importing more @@ -5643,3 +5642,44 @@ word-swap, confirmed live), shared "Ángelis suis" versicle. `lauds-hymn-lent.ym checking `lauds-hymn-saturday.yml`'s real content against the same 2026-02-28 Lenten Ember Saturday date) — byte-identical, just needed the status flipped. All 8 files now `verified`; no more draft Lent content anywhere in this app. `npm test` (2025 passed) and `tsc --noEmit` both pass. + +### Paschaltide's "Suffragium Paschale" mechanism (2026-09-04) + +Closed the highest-priority remaining mechanism gap. Live-verified against Divinum Officium (both +Monastic Tridentinum 1617 and Tridentine 1906, byte-identical between the two tracks — the source's +own `[Suffragium]` macro literally has a `(sed tempore paschali) @:Suffragium Paschale` override, +2026-04-20, a plain Eastertide feria): throughout the whole Paschaltide window (`eastertide`/ +`ascensiontide`/`pentecost` — the same boundary `PASCHALTIDE_SEASONS` already governs elsewhere in +this store), two things happen whenever they'd otherwise show at all: + +1. The ordinary 5-suffrage set (Cross/BVM/Joseph/Apostles/Peace) collapses into one single + alleluia-form "Suffragium Paschale" block — one antiphon (different at Lauds, "Crucifíxus + surréxit a mórtuis...", vs. Vespers, "Crucem sanctam súbiit...", unlike the ordinary 4/5 + suffrages, which share identical text at both hours), one shared versicle, one shared collect. +2. The ferial-Preces litany (`lauds-preces-feriales`/`vespers-preces-feriales`, sourced from + Tridentine 1906/1910 since Monastic 1617 has none at all — see that file's own header) drops + entirely rather than being replaced by anything ("Preces Feriales{omittitur}" live) — a + Sunday/feast's own short litany (`lauds-short-litany`) is untouched, a separate, universal + collect-opening dialogue unrelated to this ferial-specific one. + +Exported a new `isPaschaltide(season)` helper from `hours/resolve-common.ts` (wraps the existing +`PASCHALTIDE_SEASONS` set, previously private to that file) and used it in both +`resolveSuffrages` (gated after the pre-existing "omit suffrages entirely" checks — Double+/active +octave/Advent-Christmastide-Passiontide already drop suffrages regardless of season, unaffected) +and a new check in `hours/lauds.ts`'s/`hours/vespers.ts`'s own `'lauds-preces'`/`'vespers-preces'` +cases (gated on `isFerialOrVigil(day)`, matching the existing predicate that already selects the +ferial litany in the first place). `resolveSuffrages` gained a third `hourId: 'lauds' | 'vespers'` +parameter (both call sites updated) to pick the right antiphon. + +Authored `lauds-suffrage-paschale.yml` and `vespers-suffrage-paschale.yml` — English on the Vespers +antiphon is this project's own translation and left `draft` (the reference engine's own English +render leaves that one antiphon untranslated, Latin-only); everything else `verified`. + +Verified end-to-end via `resolveOrdo` on real dates for Lauds (both the suffrage collapse and the +Preces omission fire together correctly on a clean Eastertide feria, 2026-04-20) and via a direct +`resolveSuffrages` unit call plus a separately-found clean Vespers evening (2026-04-15, since this +particular stretch of Eastertide 2026 is otherwise densely packed with First-Vespers anticipations +and octaves — Easter's own, the Patronage of St. Joseph's, Ascension's, Pentecost's — that already +correctly suppress suffrages for other, pre-existing reasons and would have made a false negative +look like a false positive). `npm test` (2025 passed, no pre-existing tests exercised this path at +all) and `tsc --noEmit` both pass.