v2026.10.6.1

## What's Changed
* fix(ai_usage): price claude-opus-5-5 by @404Wolf in https://github.com/macro-inc/macro/pull/7625
* feat(marketing): cream palette preview, mobile blog list, and demo scroll fix by @git-julia in https://github.com/macro-inc/macro/pull/7627
* fix(channels): grant channels comment access to shared PDFs by @whutchinson98 in https://github.com/macro-inc/macro/pull/7608
* feat(reminders): limit reminders to email snooze by @gbirman in https://github.com/macro-inc/macro/pull/7536
* fix(block-agent): let session errors expand to show the full message by @404Wolf in https://github.com/macro-inc/macro/pull/7629
* fix(auth): delete user_onboarding row during account deletion by @whutchinson98 in https://github.com/macro-inc/macro/pull/7618
* fix(db): support PostgreSQL 14 in Slack archive migration by @synoet in https://github.com/macro-inc/macro/pull/7634


**Full Changelog**: https://github.com/macro-inc/macro/compare/v2026.10.6.0...v2026.10.6.1