Features
- feat(billing): require a paid plan or prepaid credits for Chat (#9551)
Bug Fixes
- fix(billing): fail closed on legacy Chat payer reads and cover the Chat plan gate (#9553)
- fix(public-shares): stream shared files with byte ranges instead of buffering them under 100 MB (#9550)
- fix(sandbox): initialize workbench history before honoring a stop during creation (#9549)