7d2331ef

By: ValentinHirschi <valentin.hirschi@gmail.com>

Validate admitted five-loop physical numerator reductions

Add native DOT and exact lowering preflights plus nine finite R2-publication controls for cancellation, nonunit masses, factor products, cross-factor contractions and a connected irreducible numerator. Preserve strict saved-scope admission and record optimized first/warm timings with explicit coverage and profiling qualifications.