BirdNest Tech Talk

Dec 4, 2025 · Frontend Development

How to Build a Real‑Time AI Agent UI with SSE and Session Replay

This article walks through the design and implementation of a visually striking, real‑time front‑end for an AI agent, explaining why Server‑Sent Events were chosen, showing Go and JavaScript code for streaming, and detailing a session‑replay feature that lets users review every agent decision step.