NVIDIA Nemotron Nano 9B v2 Chatbot

This chatbot uses the NVIDIA Nemotron Nano 9B v2 model with optional reasoning capabilities.

• Enable Reasoning: Activates the model's chain-of-thought reasoning (/think mode)
• Disable Reasoning: Uses direct response generation (/no_think mode)

Note: Using transformers version 4.48.3 as recommended by the model documentation.