chendeben/MailSend @ f82fccd7d63e57e45969cda50c282a1aeb2d1698

chendeben c9d032a4c3 docs: pin landing sample values, cache headers, Vite entry		1 miesiąc temu
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2026-07-09-mailhub-landing-page-design.md	c9d032a4c3 docs: pin landing sample values, cache headers, Vite entry	1 miesiąc temu
2026-07-09-mailhub-ui-redesign-design.md	037217ed2a docs: clarify UI redesign dual entries and dashboard metrics	1 miesiąc temu
2026-07-09-mailhub-webhooks-design.md	2d0d2118bd docs: pin webhook payload transaction and attempt counting	1 miesiąc temu