Generate cover letters for all vacancies scored >=3.0

Covers Beget, Ozon, Business Technologies, Arcsinus, MEDIA POTOK, Air
Production, MTS GOOD'OK, AppDepo, Magnit Tech, Kaspersky, ALIDI, and
KonsultantPlus.

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

data/pdf-index.tsv

@@ -14,3 +14,15 @@
 	output/cv-romanova-valeriya-mts-goodok-2026-07-07.pdf	output/cv-romanova-valeriya-mts-goodok.html	a4	2026-07-15
 	output/cv-romanova-valeriya-mts-goodok-2026-07-09.pdf	output/cv-romanova-valeriya-mts-goodok.html	a4	2026-07-15
 	output/cv-romanova-valeriya-biznes-tehnologii-middle-2026-07-07.pdf	output/cv-romanova-valeriya-biznes-tehnologii-middle.html	a4	2026-07-15
+	output/beget-cover.pdf		a4	2026-07-15
+	output/ozon-erp-cover.pdf		a4	2026-07-15
+	output/biznes-tehnologii-middle-cover.pdf		a4	2026-07-15
+	output/arcsinus-cover.pdf		a4	2026-07-15
+	output/media-potok-cover.pdf		a4	2026-07-15
+	output/air-production-cover.pdf		a4	2026-07-15
+	output/mts-goodok-cover.pdf		a4	2026-07-15
+	output/appdepo-cover.pdf		a4	2026-07-15
+	output/magnit-tech-cover.pdf		a4	2026-07-15
+	output/kaspersky-kes-cover.pdf		a4	2026-07-15
+	output/alidi-cover.pdf		a4	2026-07-15
+	output/konsultantplyus-cover.pdf		a4	2026-07-15