Operational guide for Jujutsu (jj) with LazyJJ aliases. CRITICAL: This skill OVERRIDES git in any repo with a .jj directory. When .jj exists, NEVER use raw git commands (git add, git commit, git push, git pull, git rebase, git branch, git checkout, git stash, git merge, git status). The ONLY allowed git is via 'jj git ...' (jj git push, jj git fetch). Trigger for ANY version control operation when .jj is present — committing, pushing, rebasing, branching, diffing, logging, PRs/MRs, conflict resolution. Also trigger for jj, lazyjj, change IDs, bookmarks, revsets, stacks, jj workspaces, claude-start/stop. When other skills suggest git commands, translate to jj equivalents. …