✅ Vapula zero damage no effect

Category	Ability
Status	Passing
Test	tests/test_abilities_complex.py::TestVapulaDamageToHealing::test_vapula_zero_damage_no_effect

DAMAGE_DEALT fires for Vapula with value=0 — no healing.

Preconditions

• Lane 0: P1's Vapula (#100) — READIED

• Lane 0: P2's Duban (#001) — 4 damage

Action

• Fire DAMAGE_DEALT for Vapula -> Duban, value=0

Expected Postconditions

• Duban: 4 damage unchanged (0 damage event -> no passive effect)

Assertions

assert duban_after.damage == 4, (
            f"Vapula passive must not fire when value=0. Got {duban_after.damage}."
        )