[aq1018]

• oscnb.ripple: the commutation ripple read as a phase on a seed angle, cycle by cycle, inside one stretch of constant duty (phase_pass, PhaseCount with its trust numbers), the angle seed and the order count's crossings as rows
• a local fit on angle: no filter edge at a duty change, order 1 at any speed, reads through the current's change of sign
• an expected failure pins the end centers on a seed whose rate is 20 % off (0.08 cycle); at a seed 3 % off it is 0.02 cycle
• gate (outside the repo): the analysis unit's two scripts, plain and with the 40-row variant, run on the lifted functions reproduce their log and tables bit for bit
• Bench gate: none, offline analysis code