fix(stats): non-attack damage now lands in damage_taken - bleed ticks, recurring spell damage (Acid Arrow) and cure-spells-damage-undead (SRD Cure Light Wounds negative-energy hit, attributed to the caster's damage_dealt) were invisible to attrition while attacks were counted; transcripts and RNG untouched

tests/test_bleeding_confused.py

@@ -89,6 +89,24 @@ def test_bleed_to_death_ends_battle() -> None:
     assert any("a: bleed 5 (hp -8->-13)" in line for line in eng._transcript)
 
 
+def test_bleed_tick_records_damage_taken() -> None:
+    """Attrition (README "dégâts subis"): bleed is damage - the tick lands in
+    damage_taken with no attributed dealer (no attack source)."""
+    eng = _engine(
+        [_combatant("a"), _combatant("b")],
+        [(0, 0), (0, 1)],
+        ["players", "monsters"],
+        [],
+    )
+    a, _b = eng._states
+    a.bleed_damage = 2
+    eng._apply_bleed_damage(a)
+    assert a.hp == 98
+    assert eng._stats["a"].damage_taken == 2
+    assert eng._stats["a"].damage_dealt == 0
+    assert eng._stats["b"].damage_taken == 0
+
+
 def test_heal_spell_clears_bleed() -> None:
     eng = _engine(
         [_combatant("a"), _combatant("b")],