At a holiday gathering in San Francisco, partygoers sipped Celsius and kept sneaking glances at their cracked-open laptops with a mix of pride and fear. They were checking on their fleets of AI assistants to make sure they were still laboring away. What are your bots up to? The topic is the biggest flex—and source of stress—in Silicon Valley, where tech pros and amateurs are competing to see how much of their grunt work they can outsource to AI without things backfiring spectacularly. They’re enlisting agents to code, manage their calendar and respond to emails. Bots’ human masters set them…