Add configs for router energy (embedding/physical) and WGAN baseline runs

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

configs/router_energy_n10_embedding.toml

@@ -0,0 +1,23 @@
+[train]
+mode          = "flow"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+conditioning      = "embedding"
+dropout           = 0.0
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+
+[model.router]
+enabled           = true
+type              = "energy"
+n_experts         = 10
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+temperature       = 0.05
+lambda_balance    = 0.035
+learn_centers     = true

configs/router_energy_n10_physical.toml

@@ -0,0 +1,23 @@
+[train]
+mode          = "flow"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+conditioning      = "physical"
+dropout           = 0.0
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+
+[model.router]
+enabled           = true
+type              = "energy"
+n_experts         = 10
+expert_hidden_dim = 128
+expert_n_blocks   = 4
+temperature       = 0.05
+lambda_balance    = 0.035
+learn_centers     = true

configs/wgan_h128_b4_physical.toml

@@ -0,0 +1,13 @@
+[train]
+mode          = "wgan"
+epochs        = 30
+lr            = 3e-4
+warmup_epochs = 3
+val_fraction  = 0.1
+num_workers   = 4
+
+[model]
+hidden_dim   = 128
+n_blocks     = 4
+dropout      = 0.0
+conditioning = "physical"