RELSA severity assessment and exploratory score forecasting Overview This skill computes reference-relative multivariate scores and exploratory ARIMA forecasts. It targets the equations and printed example of RELSA 0.0.1.9000 (commit , current upstream at review), plus the published foRcast methodology. The Python forecast helper is an independent nonseasonal approximation, not an exact R port. RELSA is the RMS of directional deviations divided by each variable's reference maximum deviation . Zero means no measured worsening in those directions; it does not establish normal welfare. One is a…