- Add IM service modules: audit, channel roles, custom emojis, forum tags, integrations, invitations, repo links, slash commands, stages, voice, webhooks - Add PR service modules: review requests, templates - Add repo service modules: contributors, release assets, git extras (archive, branch rename, commit extras, diff/merge, tag, tree) - Add user service: social (follow/block) - Add internal auth service - Update existing service modules with expanded functionality - Remove deleted IM modules: articles, delivery trace, drafts, follows, messages, polls, presence, reactions, threads
- Replace 15 occurrences of unwrap_or("HEAD") with unwrap_or(DEFAULT_REVISION) across 10 files - All git API handlers and service methods now reference the shared constant from models::common