Build a Git Commit Analyzer with Gemma 4 31B and a 256K Context Window

This is a submission for the Gemma 4 Challenge: Build with Gemma 4 Most developers reach for an LLM when they need code completion or a chatbot. This article is about something more useful and less obvious: feeding your entire sprint's git history to Gemma 4 31B — diffs, commit messages, authors and all — and getting back structured, actionable analysis of what actually changed and why it might matter. The 31B Dense model's 256K context window is the key enabler here. It means you can pass tens