astt 1.6.0

What's Changed

• chore: remove superpowers generated docs by @mike840609 in #726
• fix(import): accept null recurring end dates by @mike840609 in #728
• chore: remove the unused userExists helper by @mike840609 in #729
• fix(accounts): make account type immutable via PATCH by @mike840609 in #738
• fix(recurring): re-anchor nextRunDate when a paused rule is resumed by @mike840609 in #730
• fix(recurring): skip or refetch stale DCA prices by @mike840609 in #737
• fix(db): widen money columns to Decimal(28,8) and bound imports by @mike840609 in #740
• fix(cron): settle expired options at intrinsic value, not a stale premium by @mike840609 in #739
• fix(transactions): reverse a DCA buy's recorded cash debit exactly by @mike840609 in #741
• feat(landing): use page-style social preview by @mike840609 in #743
• fix(history): anchor the activity charts on the Taiwan business day by @mike840609 in #744
• fix: data-correctness audit low-priority follow-ups by @mike840609 in #742
• chore(release): prepare 1.6.0 by @mike840609 in #746

Full Changelog: 1.5.0...1.6.0