    Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
     Running `target/debug/examples/model_io --check-version`
=== Model I/O Example ===

Creating model...
  Model name: example-model
  Architecture: simple-mlp
  Parameters: 4

Saving model to JSON...
  ✓ Saved to example_model.json

Saving model to YAML...
  ✓ Saved to example_model.yaml

Loading model from JSON...
  ✓ Loaded model: example-model
  ✓ Parameters: 4
  ✓ Data integrity check: true

Loading model from YAML...
  ✓ Loaded model: example-model
  ✓ Parameters: 4

Model Metadata:
  Name: example-model
  Architecture: simple-mlp
  Version: 0.1.0

Custom Metadata:
  hidden_dim: 2
  activation: "relu"
  output_dim: 1
  input_dim: 4

Parameters:
  layer1.weight (size=4, requires_grad=true)
  layer1.bias (size=2, requires_grad=true)
  layer2.weight (size=2, requires_grad=true)
  layer2.bias (size=1, requires_grad=false)

Cleaning up...
  ✓ Removed temporary files

=== Example Complete ===
