KIP-873 — ExceptionHandlingDeserializer, RetryDeserializer, PipeSerializer, PipeDeserializer

Discussion ClientConsumer

Proposes `ExceptionHandlingDeserializer`, `RetryDeserializer`, and `PipeDeserializer`/`PipeSerializer` wrappers that compose deserialization with retry logic, dead-letter routing, and chained format conversion. Consumer applications today have no standard mechanism to handle deserialization exceptions without catching raw exceptions and implementing retry/skip logic manually.

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