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SKILL.md

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Mental model: "I am the child. I want what my parent has."

Brings the current branch (and optionally its descendants) up to date with its parent. Inbound counterpart to /ship (outbound to a target) and /isolate (forks a new child from a parent).

When to use

Current branch is stale relative to its base.

A stack of dependent branches needs the parent's latest commits cascaded down.

Web sessions or minimal environments where wt, git-trim, gh aren't available.

Do NOT use to send changes upward — that's /ship. Do NOT use to create a new branch — that's /isolate.

Why merge, not rebase

Autonomous mode's git-rewrite-guard.sh blocks git rebase, --amend, reset --hard, and push --force*. Merge is also the parallel-worktree community standard for syncing from base — non-destructive, composes with stacks, never requires a force-push, safe under shared checkouts. Always git merge, never git rebase in this skill.

Constraints