Set default epochs to 20

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

src/training/train_gtauav.py

@@ -67,7 +67,7 @@ class TrainConfigGTAUAV:
     # Training.
     resume_from: str | None = None  # path to checkpoint for resuming
     output_dir: str = "out/gtauav/with_text"
-    epochs: int = 50
+    epochs: int = 20
     batch_size: int = 8
     num_workers: int = 4
     learning_rate: float = 1e-4
@@ -521,7 +521,7 @@ def main() -> None:
         help="Batch size.",
     )
     parser.add_argument(
-        "--epochs", type=int, default=50,
+        "--epochs", type=int, default=20,
         help="Number of epochs.",
     )
     parser.add_argument(