✅ Geb regeneration floors at zero

Category	Ability
Status	Passing
Test	tests/test_abilities_actions.py::test_geb_regeneration_floors_at_zero

Geb uses Regeneration to remove 3 damage from itself.

Preconditions

• Geb: 1 damage, READIED

Action

• Execute Geb's Regeneration

result = execute_ability(state, geb_on_field, ability_idx=1, targets=None)
    geb_after = next(d for d in result.demons if d.unit_id == "044")

Expected Postconditions

• Geb: damage = 0 (floored — cannot go negative)

Assertions

assert geb_after.damage == 0