Quality-target & budget planner

A small, dependency-free (pure standard-library) Python tool that turns a perceptual quality TARGET (a VMAF score) into the delivery BUDGET it implies, and back. It runs four checks, each anchored to a published number rather than a guess: (1) a transparency check — is the target above the point where extra quality is invisible (premium transparency ~VMAF 95 per Kah et al. 2021; 1 JND ~6 VMAF per Netflix 2017)? (2) overshoot waste — the bytes and dollars spent above the bitrate that already hits