scratchDir
Where the codebase's scratch files are: beside it, or in its session's directory when it's served for a session
(tcm dev with TCM_BRANCH), as the command line has them.
import type { Codebase } from "#codebase/tcmts/cli/codebase"; export const scratchDir = (cb: Codebase): string => cb.sessionDir ?? cb.lay.root