Building ResilienceLab: retries, circuit breakers, and tracing in .NET 10

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I wanted to build something useful and ended up creating ResilienceLab 0.5.0, an experimental resilience library for .NET 10 with its own API and an MIT license. I developed it with coding agents, reviewing the contracts and checking the results. It includes retries for exceptions and generic results, cooperative timeouts, circuit breakers, fallback, rate limiting, hedging, and an HTTP adapter integrated with IHttpClientFactory. Optional observability uses logs, metrics, and ActivitySource traces. In the catalog API, I composed these layers from outside to inside: Fallback → Circuit breaker →

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