Volcano Engine's TLS AgentLoop integrates images, audio, and video directly into session, trace, and span structures so developers can debug multimodal agent interactions by seeing exactly what the model saw alongside prompts, outputs, and tool results.
The article explains how Alibaba Cloud's CMS 2.0 uses Session Replay to record DOM changes and user interactions, and three types of heatmaps—click, area, and scroll—to provide low‑overhead, privacy‑controlled insights that help developers reproduce bugs, analyze conversion funnels, and improve overall front‑end user experience.
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.
PageSpy, now with over 3000 GitHub stars, introduces multi‑platform mini‑program debugging for WeChat, Alipay and UniApp, plus a session‑replay feature that records network requests and console logs, enabling developers to export, share, and replay logs for efficient bug investigation.
