Effect Error Handling Master type-safe error handling in Effect applications. This skill covers expected errors, error recovery, selective error handling, and error transformations using Effect's error management operators. Expected Errors vs Defects Effect distinguishes between two types of failures: - Expected Errors (E channel) : Recoverable errors tracked in the type system - Defects : Unexpected failures (bugs, programming errors) Tagged Error Types Use tagged unions for error types to enable pattern matching: Catching All Errors Effect.catchAll - Recover from Any Error Catches all expec…