v2026.6.15.1

What's Changed

• feat(email): paywall multi-inbox behind professional subscription by @gbirman in #4092
• chg(md): restyle loading for md document by @sedson in #4091
• fix(email): stop inbox reconnect from self-deleting the link by @gbirman in #4093
• fix(email): dedup concurrent inbox connect backfills by @gbirman in #4095
• chore: update loro by @404Wolf in #4096

Full Changelog: v2026.6.15.0...v2026.6.15.1