Adding New Model Support in Megatron-Bridge

Phase 1: Discovery

Step 1 — Get the HF model link

Ask the user for the HuggingFace model link (e.g. https://huggingface.co/Qwen/Qwen3.5-VL-27B).

If the model is not public, ask the user to provide the config.json file directly.

Step 2 — Fetch and analyze config.json

Read the model's config.json from HuggingFace (or from the user-provided file). Key fields to extract: