config: production epochs 100→200, min_epochs_before_stopping 50→100

H100 has the compute budget — 200 epochs with cosine decay gives the
model full room to learn through C51 transition and converge.
Early stopping can't fire before epoch 100.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

config/training/dqn-production.toml

@@ -7,7 +7,7 @@
 # - Cosine LR decay: 1e-4 → 1e-5 over 100 epochs
 
 [training]
-epochs = 100
+epochs = 200
 batch_size = 1024
 learning_rate = 0.0001
 gamma = 0.99
@@ -42,7 +42,7 @@ per_beta_start = 0.4
 [early_stopping]
 enabled = true
 patience = 20
-min_epochs_before_stopping = 50
+min_epochs_before_stopping = 100
 
 [experience]
 initial_capital = 100000.0