Golang Error Handling Standards Priority: P0 (CRITICAL) Principles - Errors Values : Handle them like any other value. - Handle Once : Log OR Return. Never Log AND Return (creates duplicate logs). - Add Context : Don't return bubble up. Wrap it with context: . - Use Standard Lib : Go 1.13+ package ( , , ) sufficient. Avoid (deprecated). Guidelines - Sentinel Errors : Expoted, fixed errors ( , ). Use . - Error Types : Structs implementing . Use . - Panic : Only for unrecoverable startup errors. Anti-Patterns - No bare return err : Wrap with to preserve call chain. - No string error checks : Us…