Briar v1.2.108

What's Changed

• feat: release iOS TestFlight 1.2.107 build 1 by @siisee11 in #911
• perf: skip unchanged organization inbox snapshots by @siisee11 in #913
• perf: unify worker claim polling by @siisee11 in #914
• perf: reduce worker lease renewal churn by @siisee11 in #916
• perf: coalesce worker credential usage writes by @siisee11 in #917
• perf: hibernate channel realtime sockets by @siisee11 in #918
• perf: batch agent transcript writes by @siisee11 in #919
• fix: keep caret aligned after mentions by @siisee11 in #915
• 프로젝트별 Lobby 페이지 만들기 by @siisee11 in #920
• chore: release v1.2.108 by @siisee11 in #921

Full Changelog: v1.2.107...v1.2.108