Cascade merge changes through a chain of dependent branches. Use when updating stacked/chained PRs, propagating changes from a parent branch to all downstream branches, or when the user mentions "cascade merge", "propagate changes", "update dependent branches", or "merge to downstream branches".
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Review the instructions the agent will receive before you install.
Propagate changes from a source branch through all dependent branches in a PR chain.
gh pr list --state open --json number,title,headRefName,baseRefName --limit 50 | jq -r '.[] | "\(.baseRefName)\t\(.headRefName)"'
Build the dependency chain by finding PRs where baseRefName matches the current branch, then recursively find PRs based on those branches.
Fetch first, then for each downstream branch in order:
git fetch origin
git checkout <downstream-branch>
git merge origin/<upstream-branch> --no-edit
git push origin <downstream-branch>
A hook allows git merge only for the remote-tracking branch of the PR's base, so merge origin/<upstream-branch>, not the local branch. Pushing the upstream branch updates origin/<upstream-branch> before the next downstream merge.
Do not cherry-pick into a downstream branch, even when the merge is blocked or only one commit is needed. A cherry-picked commit gets a new hash, so git cannot tell it is the same change as the upstream commit. Every later change upstream has to be picked again by hand, and each round leaves duplicate commits and conflicts in the downstream history. When the PR targets a branch other than the default branch, a hook blocks git cherry-pick of any commit that an upstream branch already holds. Upstream branches are the base, its own PR bases up the chain, and the default branch. If the merge you need is blocked, report it to the user instead of looking for another route.
If a merge conflict occurs:
Given this PR chain:
main
└── feature-1
└── feature-2
└── feature-3
When feature-1 is updated, cascade merge will:
feature-1 into feature-2, pushfeature-2 into feature-3, pushReport results as a table:
| Branch | Merged From | Status |
|---|---|---|
| feature-2 | feature-1 | Done |
| feature-3 | feature-2 | Done |
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Use by any agent before writing specs, editing code, or changing workflow files when the change could add compatibility behavior, aliases, silent fallbacks, or default-value fallbacks.
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Interview the user in rounds until no branch of the design tree stays open.
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外部のスキルをこのリポジトリにコピーして自分のスキルにする。ユーザーがスキルのURLやリポジトリ名を渡して「入れたい」「導入したい」と言ったとき、「上流を参照せずコピーしたい」と言ったとき、またはユーザーが `/import-skill` と打ったときに使う。Vendors an external Claude skill into this repository.
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Forces the laziest solution that actually works, simplest, shortest, most minimal. Channels a senior dev who has been paged at 3am for a factory class that wrapped one function: question whether the task needs to exist at all, reach for the standard library before custom code, native platform features before dependencies, one line before fifty. Supports intensity levels: lite, full, ultra. The default is full. Use on ANY coding task: writing, adding, refactoring, fixing, reviewing, or designing code, and choosing libraries or dependencies. Also use whenever the user says "ponytail", "be lazy", "lazy mode", "simplest solution", "minimal solution", "yagni", "do less", or "shortest path", or complains about over-engineering, bloat, boilerplate, or unnecessary dependencies. Do NOT use for non-coding requests such as general knowledge, prose, translation, summaries, recipes.
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PRを作る、または既存PRのbodyを直す。ユーザーが「PRを作る」「PR出して」「PRのbodyを直して」と言ったとき、ユーザーが `/pr-create` と打ったとき、または `gh pr create` や `gh pr edit --body` がhookにブロックされたときに使う。Creates or edits a pull request with a three-line body.
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Review a GitHub pull request from multiple perspectives in parallel, output only findings, then let the user pick which to fix in the same session. Use when the user asks to review a PR by number, mentions "PRレビュー" / "PR review" with a number, or invokes `/pr-review <number>`. Fans out subagents for absolute-rules, stop-slop, security, architecture, code-quality, testing, and ai-antipattern.
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