I Built a 3D Memory Palace That Listens, Remembers, and Speaks Back using Gemini Live Agents

I created this blog post for the purposes of entering the Gemini Live Agent Challenge hackathon. #GeminiLiveAgentChallenge The Problem We forget things. All the time. Not in some big philosophical way. In the most basic, embarrassing way. What did you eat yesterday? What was that person's name at the conference? What did your manager say two Fridays back? I kept seeing the same thing on Reddit, in productivity forums, in real conversations. I take in so much information every day and I remember almost none of it. We take notes we never look at again. We bookmark articles we never reopen. We record meetings we never re-watch. The problem isn't capture. We have more capture tools than ever. The problem is retrieval . Our memories are flat, unsearchable, disconnected from each other. Then I Found Gemini Live I started playing with the Gemini Live 2.5 Flash API. And something clicked. A model that holds a persistent, real-time audio session. You can interrupt it mid-sentence and it recover