Timing and coordinate arithmetic at four saved points

Completed 4/4 saved-point diagnostics with 208 residual-and-derivative evaluations. No model was refitted and no previous fit label was changed.

Agreement here concerns the timing and gyro-Z-offset derivative comparisons at three fixed steps. Every nuisance column remains in the saved matrices. These are not new stopping decisions, qualified optima, uncertainty thresholds or flight findings.

Summary CSV · Derivative curves · Frozen plan · Previous small controls · Next analyses.