.NET 5 控制台服务里消费 Kafka，带自动重连

What happens when a robust data synchronization service needs to breathe life into a .NET 5 console application? The journey into consuming Kafka messages within this environment reveals not just technical steps, but a delicate dance between persistence and grace. It begins with the quiet power of Microsoft.Extensions.Hosting, which transforms a simple background task into a resilient process capable of understanding the subtle signals of its environment. But how does one ensure that messages are never lost when the digital tide turns against them? The answer lies in rejecting the convenience of automatic commits in favor of manual control, creating a safety net where every message is acknowledged only after it has been truly understood. Yet, resilience is not just about handling success; it is about surviving failure. When the Kafka broker vanishes or the network fractures, does the service collapse, or does it rise again? By wrapping the consumption loop in a persistent embrace of tr...--AI Generated