Showing live voice agent transcripts in a Flutter app with LiveKit

If you build a voice agent with LiveKit Agents and a Flutter frontend, at some point you want the conversation on screen: what the user said and what the agent is saying, updating live. The docs cover it, but the pieces are spread out and the older API in many examples is deprecated. Here's what works with the current SDKs. Where the text comes from When AgentSession runs STT, it publishes…