:Jeffrey Greenberg/Universal Images Group via Getty Images Retail jobs often involve a lot of cleaning up after other people. Dusty shelves, spilled liquids, smudged display cases, and, more recently, AI agent errors. In Walmart’s bid to fuel its growth ambitions, the retailer isbetting big on AIand arming thousands of frontline employees with newtools and training. Adopting any new process has a learning curve, but this time it’s AI agents that also need training to improve the accuracy of its models. Walmart’s rollout shows some of the challenges of using this new tech: Employees often have to spend time training the software, supplying the context and judgment AI agents lack about their jobs.