Function flattenSlug

src/utils/worktree.ts:229–231

(slug: string)

// `+` is valid in git branch names and filesystem paths but NOT in the
// slug-segment allowlist ([a-zA-Z0-9._-]), so the mapping is injective.
function flattenSlug(slug: string): string {
  return slug.replaceAll('/', '+')
}

export function worktreeBranchName(slug: string): string {
  return `worktree-${flattenSlug(slug)}`