✅ Passive no registration returns zero

Category	Ability
Status	Passing
Test	tests/test_abilities_registry.py::test_passive_no_registration_returns_zero

No passives registered for Duban. get_passive_modifiers returns 0.

Preconditions

• No passives registered

• Duban on field

Action

• get_passive_modifiers(state, duban, "def")

Expected Postconditions

• Returns 0 (no passives active).

Assertions

assert result == 0