Most voice-agent demos have a simple loop: The user speaks. The model thinks. The agent replies. That loop works well when the agent only needs to answer a question. It becomes much harder when the agent is also controlling a real device. Aiden can read a phone’s screen and operate it through an external hardware control path. A task might involve several screenshots, tool calls, taps, swipes, and waits for the device to respond. While that is happening, the person may sti...