Microsoft.Extensions Configuration Patterns When to Use This Skill Use this skill when: - Binding configuration from appsettings.json to strongly-typed classes - Validating configuration at application startup (fail fast) - Implementing complex validation logic for settings - Designing configuration classes that are testable and maintainable - Understanding IOptions<T , IOptionsSnapshot<T , and IOptionsMonitor<T Why Configuration Validation Matters The Problem: Applications often fail at runtime due to misconfiguration - missing connection strings, invalid URLs, out-of-range values. These fai…