Chinese Big Tech firms from Tencent Holdings to ByteDance are intensifying their focus on artificial intelligence (AI) agents in a competitive market, taking advantage of the void left by rival Manus AI, which has relocated overseas amid geopolitical tensions.At the World Artificial Intelligence Conference (WAIC) in Shanghai over the weekend, Tencent’s cloud computing unit unveiled a dozen AI agents – software designed to autonomously complete tasks on behalf of business users and consumers,...