fix(rules): Born Damned and Axe to Grind become documented no-ops (SRD: +2 saves vs curses has no curse descriptor; +1 damage vs foes threatened only by you is not expressible - old Fort-vs-poison and axe-damage bonuses were wrong)

src/pf1e_simulator/abilities.py

@@ -259,11 +259,17 @@ WEAPON_FINESSE = AbilitySpec(
     effects=(StatModifier(target="attack", value=0, condition="weapon_finesse"),),
 )
 
-# Axe to Grind: +1 trait bonus on damage with axes
+# Axe to Grind (Basic Combat trait, APG): "+1 trait bonus on damage against
+# foes who are threatened by only you." The "threatened by only you" gate
+# needs the target's threat map at damage-modifier resolution time, which the
+# StatModifier condition system does not carry (conditions are evaluated from
+# weapon/range/save-descriptor context only) -> documented traced no-op. The
+# previous "+1 damage with axes, condition='axe'" was the wrong effect (the
+# SRD bonus is not tied to wielding an axe at all).
 AXE_TO_GRIND = AbilitySpec(
     name="Axe to Grind",
     category="trait",
-    effects=(StatModifier(target="damage", value=1, condition="axe"),),
+    source_detail="trait (not modeled: +1 damage vs foes threatened only by you)",
 )
 
 # Spell Vulnerability (divination): -2 penalty on saves vs divination
@@ -276,13 +282,16 @@ SPELL_VULNERABILITY_DIVINATION = AbilitySpec(
     ),
 )
 
-# Born Damned (tiefling): darkness 1/day, +2 on saves vs poison
+# Born Damned (Race trait, Tiefling): "You gain a +2 trait bonus on saving
+# throws against curses and magical effects that produce curses." The engine
+# has no "curse" save descriptor (curses are not modeled as spell effects),
+# so the bonus has nothing to gate on -> documented traced no-op. The
+# previous "+2 Fort vs poison" was the wrong effect (poison is not a curse).
+# The tiefling darkness 1/day SLA is likewise not modeled.
 BORN_DAMNED = AbilitySpec(
     name="Born Damned (race: tiefling)",
     category="racial",
-    effects=(
-        StatModifier(target="fort", value=2, condition="poison"),
-    ),
+    source_detail="racial (not modeled: +2 saves vs curses; no curse descriptor)",
 )
 
 # Gifted Adept: +1 caster level for one spell