Global options

One global flag, and it goes before the subcommand:

Flag	Default	Meaning
--state-dir	.cedit	state directory, relative to the working directory (ignored by md)
-h, --help	—	usage; also available per subcommand

$ cedit --help
usage: cedit [-h] [--state-dir STATE_DIR]
             {snapshot,diff,sync,status,resolve,md} ...

Keep local adaptations of vendored Markdown alive across upstream updates (see
SPEC.md).

positional arguments:
  {snapshot,diff,sync,status,resolve,md}
    snapshot            start tracking a document
    diff                show local edits against the base
    sync                3-way merge a new upstream revision in
    status              per-document overlay/conflict summary
    resolve             settle one recorded conflict
    md                  stateless parser views: canonicalize / ast / json /
                        blocks

options:
  -h, --help            show this help message and exit
  --state-dir STATE_DIR
                        state directory (default: .cedit); ignored by the
                        stateless `md` subcommands

md is the odd one out and md — stateless parser views covers it: a group of stateless verbs that never open .cedit/, which is why --state-dir does nothing for them.

--state-dir gives you a second, independent set of tracking state over the same files — useful for a dry experiment you do not want in the committed .cedit/:

$ cedit --state-dir .cedit-alt status
nothing tracked