✅ Swaps two allied demons

Category	Interaction
Status	Passing
Test	tests/test_abilities_complex.py::TestGremorySwapPositions::test_swaps_two_allied_demons

PRECONDITIONS:

Action

• Gremory (P1) activates Swap Positions targeting A (lane 0) and B (lane 2)

Expected Postconditions

• Demon A: now in Lane 2

• Demon B: now in Lane 0

Assertions

assert a_after.lane == 2, "Demon A should be in Lane 2 after swap"
        assert b_after.lane == 0, "Demon B should be in Lane 0 after swap"