fix(rules): add alchemical/inherent/resistance/size bonus types (UM Table 2-7) as non-stacking

src/pf1e_simulator/effects.py

@@ -44,6 +44,13 @@ BonusType = Literal[
     "shield",         # no stack
     "armor",          # no stack (SRD mage armor: "+4 armor bonus to AC")
     "circumstance",   # no stack (simulator can't distinguish circumstances)
+    # SRD "Ultimate Magic" Table 2-7: Bonus Types and Effects — remaining
+    # named types, all non-stacking like every typed bonus (CRB "Combining
+    # Magic Effects": "two bonuses of the same type don't stack").
+    "alchemical",     # no stack (UM T2-7: ability scores, saves; antitoxin)
+    "inherent",       # no stack (UM T2-7: ability scores; Manual of bodily health)
+    "resistance",     # no stack (UM T2-7: saves; cloak of resistance)
+    "size",           # no stack (UM T2-7: ability scores, attacks, AC; enlarge person)
 ]
 
 StatTarget = Literal[