Step-by-Step: Set Up OpenTelemetry 1.20 for Full-Stack Apps with React 19 and Go 1.23

80% of full-stack teams waste 12+ hours monthly debugging cross-service latency because they lack unified tracing between frontend and backend. This guide fixes that with OpenTelemetry 1.20, React 19, and Go 1.23. 🔴 Live Ecosystem Stats ⭐ golang/go...