feat(ef): complete offline EF readings — proper ferias, deuterocanon, Latin fallback

Finish the Extraordinary Form (1962) offline Mass readings so every day of
the year resolves in both English and Polish.

Temporal engine (temporal_ef.go):
- Unique ferial slugs "ef-<season>-<week>-<weekday>" so penitential-season
  weekdays (Lent, Advent, Passiontide, Easter octave) can key their own
  proper Masses; green-season ferias have no entry and fall back to the
  preceding Sunday (the 1962 rule).
- Special "ef-lent-after-ashes-<weekday>" case for the days between Ash
  Wednesday and Lent I, which have their own propers.

Lectionary (tridentine-lectionary.ini, 55 -> 143 entries) via genlect.go:
- Generator now fetches proper-season weekdays and stores a feria only when
  its Mass differs from the preceding Sunday's.
- cleanCite() normalises two missalemeum data glitches: a stray comma
  between book and chapter ("4 Kings, 5:1" -> "4 Kings 5:1") and a
  period-as-separator ("John 20. 19-31" -> "John 20:19-31"), both guarded so
  legitimate multi-chapter citations are untouched.

Citations & corpora:
- books.ini: Douay abbreviations in the [en] dialect (Ex, Ezech, Jonas, and
  3/4 Kings -> canonical 1/2 Kings), so the EF Lenten epistles resolve while
  the display keeps modern sigla.
- drb.tsv: +205 rows backfilling the deuterocanonical Daniel 13-14 (Susanna,
  Bel) and Esther 11-16 (Greek additions) from get.bible douayrheims, which
  the base corpus omitted; scripts/gen-deutero.py documents the fetch.

Rendering (liturgy.go):
- readingLine() falls back to the Latin Vulgate (complete) when the
  vernacular corpus lacks a passage, with a clear note. Covers the Polish
  Wujek deuterocanon gap (no clean public-domain source exists) and any
  future vernacular gap; faithful to the EF as a Latin rite.

Result: 730/730 days resolve for both EN (native) and PL (native + Latin
fallback for 3 deuterocanon days). Version 0.32.0 -> 0.33.0.

1 files changed, 15 insertions, 1 deletions

diff --git a/internal/calendar/temporal_ef.go b/internal/calendar/temporal_ef.go
index 151bd1b..6f641f4 100644
--- a/internal/calendar/temporal_ef.go
+++ b/internal/calendar/temporal_ef.go
@@ -2,6 +2,7 @@ package calendar
 
 import (
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -124,11 +125,24 @@ func temporalEF(date time.Time) temporalDay {
 		}
 		return efCel(season, "ef-"+string(season)+"-sunday-"+strconv.Itoa(week), col, rank, week)
 	}
+	// The days between Ash Wednesday and the 1st Sunday of Lent have their own
+	// proper Masses (not part of a numbered Lenten week).
+	if season == Lent && date.Before(easter.AddDate(0, 0, -42)) {
+		return efCel(Lent, "ef-lent-after-ashes-"+weekdayLower(date), Violet, RankClass3, 0)
+	}
+	week := efWeek(date, season, y, easter)
 	rank := RankClass4 // per-annum feria
 	if season == Advent || season == Lent || season == Passiontide || season == Septuagesima {
 		rank = RankClass3 // penitential ferias rank higher
 	}
-	return efCel(season, "ef-"+string(season)+"-feria", col, rank, efWeek(date, season, y, easter))
+	// Unique ferial slug (season-week-weekday) so proper ferias (Lent, Advent,
+	// Holy Week, Ember days) can key their own readings; green-season ferias
+	// simply have no lectionary entry and fall back to the Sunday.
+	return efCel(season, "ef-"+string(season)+"-"+strconv.Itoa(week)+"-"+weekdayLower(date), col, rank, week)
+}
+
+func weekdayLower(d time.Time) string {
+	return strings.ToLower(d.Weekday().String())
 }
 
 // efWeek is a best-effort week-within-season number for display (not