Adding Model Support to NeMo AutoModel

Purpose

This skill guides implementation of new model architectures in NeMo AutoModel. Follow the five phases in order.

Instructions

When answering an onboarding question, keep the response in this order:

1. Classify the architecture from config.json.
2. Name the exact implementation files under components/models/<name>/.
3. Identify registry and optional custom-config updates.
4. State the validation tests that must be added before full checkpoint use.

For conceptual onboarding questions, answer from this skill without opening the pattern files unless the user asks you to edit code. Mention pattern filenames as references, then give the direct checklist.