Map symmetry diagnostic

Paired rows: 2304 total; 768 per map. Bootstrap: 2000 exploratory 95% resamples of whole seed clusters.

Map	Physical A payoff	First-side payoff
Quarry	52.2% → 51.8%; -0.4% [-4.4%, +3.8%]	42.3% → 40.4%; -2.0% [-7.7%, +3.9%]
Foundry	51.4% → 50.1%; -1.2% [-4.8%, +2.4%]	46.9% → 45.4%; -1.5% [-6.1%, +2.7%]
Causeway	53.5% → 49.1%; -4.4% [-8.5%, -0.7%]	46.7% → 40.1%; -6.6% [-11.6%, -1.8%]

Map	Objective points/game	Rounds	Wipes
Quarry	7.01 → 7.10; +0.09 [-0.21, +0.41]	5.83 → 5.74; -0.09 [-0.20, +0.01]	79.4% → 76.0%; -3.4% [-7.7%, +1.0%]
Foundry	4.49 → 4.84; +0.36 [+0.18, +0.53]	6.71 → 6.69; -0.02 [-0.10, +0.05]	43.9% → 48.3%; +4.4% [+0.1%, +8.7%]
Causeway	4.10 → 5.75; +1.65 [+1.48, +1.82]	5.74 → 6.18; +0.43 [+0.33, +0.52]	83.3% → 64.8%; -18.5% [-22.7%, -14.3%]

Old to fixed changes three-zone objectives to four paired zones and repairs Quarry terrain. It estimates the combined geometry intervention, not terrain-only causality.