propers: add February's collect and antiphon text

Real collect text for the 6 February saints that have one, plus a real
antiphon for the 2 that have one of their own — same extraction method
as January (fully-rendered live-engine output, not the raw source files'
own shorthand endings).

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

tests/calendar/february-sanctoral.test.ts

@@ -0,0 +1,48 @@
+import { describe, expect, it } from 'vitest';
+import { resolveDay } from '../../src/calendar';
+import { getDayCollect } from '../../src/hours/resolve-common';
+
+// Clean per-annum years for these dates (no Sunday collision, and for
+// Feb 14/Feb 15 specifically, clear of the movable Ash-Wednesday-adjacent
+// ferias too) — see data/calendar/saints/*.yml for per-saint source detail.
+describe('February sanctoral pull (first pass)', () => {
+  it('a saint with a proper collect but no proper antiphon wins outright, antiphon missing', () => {
+    const day = resolveDay('2029-02-06'); // St. Dorothea
+    expect(day.winner).toEqual({
+      kind: 'sanctoral',
+      id: 'st-dorothea',
+      name: 'St. Dorothea, Virgin and Martyr',
+      rank: 'simplex',
+    });
+    expect(getDayCollect(day).status.en).toBe('verified');
+  });
+
+  it("a saint with a proper antiphon but no proper collect resolves the collect as honestly missing", () => {
+    const day = resolveDay('2029-02-05'); // St. Agatha
+    expect(day.winner).toEqual({
+      kind: 'sanctoral',
+      id: 'st-agatha',
+      name: 'St. Agatha, Virgin and Martyr',
+      rank: 'semiduplex',
+    });
+    expect(getDayCollect(day).status.en).toBe('missing');
+  });
+
+  it('the two Chair-of-Peter feasts (Rome, Antioch) are separate records with independently authored, matching content', () => {
+    const rome = resolveDay('2029-01-18');
+    const antioch = resolveDay('2029-02-22');
+    expect(rome.winner.kind).toBe('sanctoral');
+    expect(antioch.winner.kind).toBe('sanctoral');
+    if (rome.winner.kind === 'sanctoral' && antioch.winner.kind === 'sanctoral') {
+      expect(rome.winner.id).not.toBe(antioch.winner.id);
+    }
+    expect(getDayCollect(rome).text.en).toEqual(getDayCollect(antioch).text.en);
+  });
+
+  it('a vigil impeded by a privileged Lenten feria is not forced to win', () => {
+    // The Vigil of St. Matthias (Feb 23) lands on the Ember Friday of
+    // Lent's first week in 2029 — a privileged feria the vigil can't beat.
+    const day = resolveDay('2029-02-23');
+    expect(day.winner.kind).toBe('temporal');
+  });
+});