DCRP74/X72R57: Vector Annulus Tax and Counterflow Conveyor Normal Form

Continuing from DCRP73's restoration of the global frontier to 'active X vs. material turnover', this round points out that the T turnover branch simultaneously carries two obligations that are mutually independent (per DCRP49): DCRP31's inward PFET and DCRP35/59/73's inward enstrophy turnover. The correct conserved object is therefore a vector current rather than a scalar, with both components possessing a strict positive lower bound on the compact normal-form class. The key new identity takes the material-packet ratio Q_D=K_D/Z_D and derives Q_D'=2γQ_D-Π_P/Z_D: if a closed, zero-stretch material packet recurs periodically, it must output strictly positive pressure work under enstrophy-weighted averaging, while DCRP31 simultaneously requires the fixed Euler core to receive inward PFET — the two form an oppositely directed 'counterflow conveyor' without violating D49 (the observers differ). The two currents' physical scalings ℓ^{3-2α} and ℓ^{1-2α} are of the same order once converted and can be summed, so scaling alone cannot manufacture a contradiction. The conclusion is that the surviving T equality state is a 'scale-matched, pressure-mediated counterflow conveyor' normal form, and whether it is truly silent toward X72 pressure curvature is left to DCRP75.