SirStone ca3e3d2272 tune(PPO_Bot): logStd=-2.0 (std≈0.135), entropy=0, ceiling=-1.0
Stochastic eval at std≈0.37 was 0/10 vs Corners (deterministic: 10/10).
Warm-start policy is correct but brittle — any noise breaks it.
- log_std initialized to -2.0 (std≈0.135) for moderate exploration
- entropy_coeff=0.0 (no push toward exploration during fine-tuning)
- logStd ceiling=-1.0 (cap at std≈0.37)
2026-08-20 15:28:15 +02:00
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