Freeze aerial warmup across training loop

backend/tests/test_belgium_training_loop.py

@@ -63,6 +63,11 @@ def test_training_command_supports_conservative_aerial_finetuning(tmp_path: Path
     assert "degrees=0.0" in command
     assert "flipud=0.0" in command
     assert "fliplr=0.5" in command
+    assert "warmup_epochs=1.0" in command
+    assert "warmup_bias_lr=0.01" in command
+    assert "hsv_h=0.01" in command
+    assert "hsv_s=0.2" in command
+    assert "hsv_v=0.15" in command
     assert f"data={tmp_path / 'dataset.yaml'}" in command