✅ Gain cp

Category	Ability
Status	Passing
Test	tests/test_scoring.py::test_gain_cp

P1 gains 5 CP from a source. P2 is unaffected.

Preconditions

• P1 CP: 0

• P2 CP: 0

Action

• gain_cp(state, PLAYER_1, 5)

Expected Postconditions

• P1 CP: 5 (gained 5 — this is bad for P1)

• P2 CP: 0 (unchanged)

Assertions

assert new_state.players[Side.PLAYER_1].cp == 5
    assert new_state.players[Side.PLAYER_2].cp == 0
    assert state.players[Side.PLAYER_1].cp == 0  # original unchanged