Build it the way you'll ride it.
While it is a fine, well built bike, it is not rare or a one-off. Swapping levers will not land you in the pits of hell, nor even earn you a stop in Purgatory. It won't even affect the bike's value.
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"Love is not the dying moan of a distant violin, it’s the triumphant twang of a bedspring."
S. J. Perelman