The Next Form of AI Agents: From Chat Windows to Background Daemons

AI Agent 的下一个形态：从聊天窗口到后台守护进程

Gemini Spark is described as the first consumer-facing always-on background agent from a major platform; the post covers four product generations and a periodic versus reactive automation framework.

Why it matters: HKR-H/K/R all pass, but this is a single commentary item; the body summary does not disclose launch date, rollout scope, or hands-on results for Gemini Spark. Score stays at the lower featured band.