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Migrating from orch

caesar was previously called orch (repository agent-orchestrateur). The rename is a clean break: nothing the old name put in place is read or migrated automatically. Concretely, on a machine or a project that used orch:

  • the projects' .orch/ directories (state, worktrees, config) and the global config ~/.config/orch/ are ignored — redo caesar init in each project (see Installation) and caesar init --global, then delete the old directories by hand;
  • the orch/* branches and worktrees still present are no longer recognized by the GC — clean them up with git worktree remove / git branch -D;
  • the orch MCP registrations with the clients remain orphaned — remove them (claude mcp remove orch, codex mcp remove orch, edit the Copilot/Antigravity/OpenCode config) then re-register with caesar mcp install <client>;
  • the assets deposited under the old name (.claude/skills/orch/, .claude/commands/orch-*.md, .agents/skills/orch/) become obsolete — caesar init deposits the new ones, the old ones are to be deleted by hand.

Next steps​