A manic new phase of the AI boom is sweeping through Silicon Valley, powered by autonomous "agents" capable of liquefying weeks of manual labor into minutes.Why it matters: For now, the frenzy is largely confined to software engineering. But inside that bubble, the shift feels seismic — deepening the gulf between AI builders and bystanders."I've followed tech for 25 years and I've never felt a larger gap between the ~1 million people using Codex/Claude and the rest of humanity," tweeted James Wa...