refactor(forum): add forum file repository
История коммитов
docs: add access guard style
refactor(forum): extract attach file use cases
style(forum): fix dto declare formatting
refactor(forum): move show post logic into use case
docs: update AGENTS guidelines
feat(forum): change module structure
fix(forum): update converter #242
fix(forum): remove unnecessary text processing #242
fix(forum): fix post merge logic #242