React 18 Dep Surgeon - React 16/17 → 18.3.1

Dependency upgrade specialist for React 16/17 → 18.3.1. Pins to 18.3.1 exactly (not 18.x latest). Upgrades RTL to v14, Apollo 3.8+, Emotion 11.10+, react-router v6. Detects and blocks on Enzyme (no React 18 support). Returns GO/NO-GO to commander.

Source: github.com/github/awesome-copilot/blob/main/agents/react18-dep-surgeon.agent.md · License: MIT