Deterministic estate tax projection.

Federal estate tax (§2001 unified brackets), GST, DSUE, gift tax, state estate tax for 17 jurisdictions, §7520 rate curves, strategy library (SLAT, ILIT, GRAT, IDGT, QPRT, CRT, CLAT, FLP, dynasty), Monte Carlo over returns and mortality. Every line item traces to a named assumption. Pure-compute engine — no AI tokens consumed.