I Plugged Gemini Into My 10,000-Line Rental Platform. Here's What Happened.

This is a submission for the Built with Google Gemini: Writing Challenge What I Built with Google Gemini BorrowHood is a neighborhood sharing platform I built from a camper van in Trapani, Sicily. 10,000+ lines of Python. 100+ REST endpoints. 30+ database models. Keycloak authentication. Weighted reputation system where a Legend's review counts 10x more than a Newcomer's. Auctions with anti-snipe protection. CEFR language proficiency matching so expats can find neighbors who speak their language. I built the platform with Claude Code. Some demo videos on YouTube. A live instance on Hetzner FOR EXAMPlE: https://46.62.138.218/demo-login Then I saw the Gemini writing challenge and thought: what if I added a brain? Not replacing anything. Adding an intelligence layer on top of what already exists. Three AI agents powered by Google Gemini , using Google's Agent Development Kit (ADK), talking to my production API. Agent 1: Smart Listing Assistant User says "I want to list a Bosch power drill