# Cannot move a read-only key without --force
$ pda set a@mvro hello --readonly
$ pda mv a@mvro b@mvro --> FAIL
FAIL cannot move 'a': key is read-only

# --force bypasses read-only protection
$ pda mv a@mvro b@mvro --force
  ok renamed a@mvro to b@mvro

# Copy preserves readonly metadata
$ pda cp b@mvro c@mvro
  ok copied b@mvro to c@mvro
$ pda meta c@mvro
  key: c@mvro
  secret: false
  writable: false
  pinned: false
  expires: never

# Cannot overwrite a read-only destination
$ pda set d@mvro new
$ pda mv d@mvro c@mvro --> FAIL
FAIL cannot overwrite 'c': key is read-only