That is a very bad idea. He will not always be president but the concept will be embedded in our law for all time. Precedent is very important to our court system. How do we stop a future Democratic president from throwing everyone in the VRWC into the catagory of enemy combatants. It doesn't matter if it doesn't make sense. Once so named, there is no fighting back, no trials or juries or any recourse at all.
Nothing more is needed to meet the definition of a police state.
By keeping congress from authorizing it- like they did in this case!
If you don't like living in a country with a constitution that puts the war power in the legislature why don't you go live in some other?