The club board — a feed of posts (pinned 공지 on top), a post detail with reactions + comments, and the compose form. Members post; the audience selector is organizer-only. No post-type picker; pinning + images are deferred.
apps/mobile/app/clubs/[clubId]/board/{index,[postId],create}.tsx
packages/features/clubs/src/club-board-screen.tsxpackages/features/clubs/src/post-detail-screen.tsxpackages/features/clubs/src/post-create-screen.tsxpackages/app/src/domain/entities/post.entity.ts