Nope, no one knows. This is the first year alcohol has been included in the dining plans and CP pkgs haven't started yet.
If other package meals are any indication, it will be included. Both F! and RoL packages allow alcohol to DDP users.
HOWEVER, with the CP pkg you are dealing with non-Disney owned restaurants. They may not allow it if they think they won't be reimbursed for it. The CP pkg details say "non-alcoholic beverage" in the list of what CP pkg people can experience. Time will tell if the non-Disney owned follow the CP pkg verbiage or the DDP verbiage.
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