Crew with Gemma-4 in Colab

Let me walk you through something I have been experimenting with lately, running a local AI agent that detects hate speech, powered by Google's Gemma 4 model and the CrewAI framework, all without calling any paid API. No keys, no credits. Just a local model and python. Let me explain how I put this together. Why Gemma + CrewAI? Most CrewAI tutorials you will find online default to GPT-4 or Claude. That is fine, but what if you want to run everything locally, maybe for privacy or cost reasons, or