What actually makes you trust a local coding agent enough to leave it running unattended?

I keep seeing people here saying they can leave local coding agents running for an hour or two and come back to something usable. I’m not really asking which model is best. I’m more interested in what made you trust the setup enough to stop watching it. For me, getting a task right once wouldn’t be

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I keep seeing people here saying they can leave local coding agents running for an hour or two and come back to something usable. I’m not really asking which model is best. I’m more interested in what made you trust the setup enough to stop watching it. For me, getting a task right once wouldn’t be