X72-06: Continuous Hierarchy and Spectral Covariance

Continuing from Round 05's STOP-C09, this round attempts to differentiate α_ν directly for dynamic control, but immediately pulls in the next-order derivative (‖Λ³S‖²), showing that order-by-order tracking does not close automatically. Rather than treating this as a transition toward the discrete, this round lifts the entire derivative hierarchy into fields M_s, α_s, κ_s over a continuous real coordinate s ∈ [0,∞), and proves that under the spectral probability measure μ_s, viscous dissipation equals exactly the damping of the spectral variance (−2ν Var_{μ_s}(|ξ|²)), establishing a continuous stacking criterion that uses no dyadic shells. This round stops at STOP-C10 (the continuous-hierarchy-slope/spectral-covariance gap): the infinite hierarchy has been represented, but not yet forced to close, handing off to the next round's attempt to re-integrate the entire hierarchy at once with a Gevrey generating carrier.