coder-csharp-error-handling

<skill_overview> Implement robust error handling following modern .NET patterns Handling exceptions in services Implementing validation logic Designing API error responses Choosing Result pattern vs exceptions Setting up global exception handling Microsoft Exception Handling </skill_overview> <exceptions_vs_result> <use_exceptions_when> Truly exceptional, unexpected failures System-level errors (I/O, network, hardware) In constructors (can't return Result) Framework boundaries expecting exceptions Programming errors (null, out of range)