Adding Model Support to NeMo AutoModel Purpose This skill guides implementation of new model architectures in NeMo AutoModel. Follow the five phases in order. <!-- NVSkills signature refresh requested after PR #2998 (2026-07-31). -- Instructions When answering an onboarding question, keep the response in this order: 1. Classify the architecture from . 2. Name the exact implementation files under . 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 with…