Ever since October, I've been happily vibe coding a series of apps using Claude Code . Every so often, I would give them an instruction, and they would go off and do my bidding. It was a comfortable collaboration. I could see everything the AI was doing, and I could produce new code at a pace far faster than ever before. But then Anthropic updated its language model. The key feature was Claude's ability to launch subordinate agents that could simultaneously work on...