Background CUA is the future: separate execution environments and handoff matter for computer-use agents

TianbaoX · x · 2026-10-26

TianbaoX champions Muse Mac App and @trycua, arguing "long live background CUA." Quoting @GenAIisreal's frustration: humans and agents fight over the same Chrome and mouse — while coding, your cursor becomes a scarce resource. Running agent Sai on its own cloud computer lets users keep working uninterrupted. He proposes a key metric: measure how much work a user can do alongside the agent, and notes handoff — inspecting progress, taking over, and resuming without losing state — matters as much as isolation.

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