✅ End main phase no deaths when not fatally wounded

Category	Ability
Status	Passing
Test	tests/test_turn_sequence.py::test_end_main_phase_no_deaths_when_not_fatally_wounded

A demon with damage < HP is NOT fatally wounded and stays on board.

Preconditions

• P1's Duban (#001): HP=6, damage=3 (not yet fatally wounded).

Action

• end_main_phase(state, Side.PLAYER_1)

Expected Postconditions

• Duban still on board.

• P1 CP = 0.

Assertions

assert len(result.demons) == 1
assert result.players[Side.PLAYER_1].cp == 0