Configure hooks

Add hooks when a repository needs local automation around Shipper stages. Hooks are executable files under .shipper/hooks/.

Steps

Choose one supported hook filename from Reference > Hooks.

This recipe uses pre-implement.

Create the script under .shipper/hooks/pre-implement.

mkdir -p .shipper/hooks
printf '%s\n' '#!/usr/bin/env sh' 'npm run format:check' > .shipper/hooks/pre-implement

Make the hook executable.
Terminal window
```
chmod +x .shipper/hooks/pre-implement
```
Verify that the hook exists and is executable.
Terminal window
```
test -x .shipper/hooks/pre-implement
```

Use Reference > Hooks for supported filenames, environment variables, exit behavior, timeout behavior, cancellation, and worktree lifecycle details.