calendar: move St. Hilary of Poitiers to his real date, Jan 14

Confirmed against the raw [Officium] file directly: Jan 14 is Hilary
(Latin/Sancti/01-14.txt), Jan 23 is St. Raymond of Peñafort
(Latin/Sancti/01-23.txt) -- not Hilary at all. The original Jan-23
placement wasn't fabricated, just misled by its own source: 2029 is a
real year where Jan 14 falls on a Sunday and every day through the
22nd is already occupied by another feast, so Hilary genuinely
transfers all the way to the 23rd that one year -- the app had
mistaken that transfer-year artifact for his real, fixed date.

His collect text is unaffected (a feast's collect doesn't change based
on which day it's said), re-confirmed identical on his real date.
Benedictus antiphon pulled fresh, completing January's antiphon pass
(9/9).

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

TODO.md

@@ -90,21 +90,27 @@ title that plausibly names the saint and stays consistent — full automation
 kept producing false positives/negatives on exactly these edge cases, so
 each result needs a human read, not just a script.
 
-Also found along the way: **this app's calendar and the reference engine's
-own calendar don't always agree on dates.** St. Hilary of Poitiers is
-assigned Jan 23 here, but Divinum Officium's actual calendar has him on Jan
-14 (confirmed: nothing resembling Hilary appears under Jan 23 in any tested
-year). Not fixed — flagged. Worth a pass at some point checking whether any
-other already-authored saints have a similar date mismatch, since it would
-affect their existing collects too, not just a pending antiphon.
+Also found along the way, now fixed: **this app's calendar and the
+reference engine's own calendar don't always agree on dates.** St. Hilary
+of Poitiers was assigned Jan 23 here; Divinum Officium's own calendar has
+him fixed on Jan 14, confirmed directly against the raw `[Officium]` file
+(Jan 23's own file is St. Raymond of Peñafort, not Hilary at all). The
+original Jan-23 sourcing wasn't fabricated — 2029 is a real year where
+Jan 14 lands on a Sunday and every day through the 22nd is already taken,
+so Hilary genuinely transfers all the way to the 23rd *that one year* —
+but the app had mistaken a transfer-year artifact for his real date. Moved
+to Jan 14 in `sanctoral-calendar.yml`; his collect text (unaffected by
+which day it's said on) re-confirmed identical; antiphon pulled fresh.
+Worth a pass at some point checking whether any other already-authored
+saint has the same kind of mismatch.
 
 ### Progress
 
-- **January (9 total): done.** 8 antiphons authored/corrected (St. Marcellus
-  I, Chair of St. Peter at Rome, St. Paul the Hermit, Ss. Fabian and
-  Sebastian, St. Agnes, Ss. Vincent and Anastasius, Conversion of St. Paul,
-  St. John Chrysostom). St. Hilary of Poitiers left `missing`, see the date
-  mismatch above.
+- **January (9 total): done, all 9.** St. Marcellus I, Chair of St. Peter at
+  Rome, St. Paul the Hermit, Ss. Fabian and Sebastian, St. Agnes, Ss.
+  Vincent and Anastasius, Conversion of St. Paul, St. John Chrysostom, and
+  St. Hilary of Poitiers (moved to his real date, Jan 14, per direct
+  correction — see above).
 - **February-December (100 saints): not started.**
 - **~52 temporal entries: not started.**
 - **94 `propers: null` saints: not started** — need a collect authored (a