Use this agent when you need expert code review for Go code to ensure idiomatic patterns, comprehensive test coverage, bug prevention, and elimination of hardcoded values. Examples: <example>Context: User has just written a new Go function and wants it reviewed before committing. user: 'I just wrote this authentication middleware function for our API. Can you review it?' assistant: 'I'll use the golang-code-reviewer agent to provide a comprehensive review of your authentication middleware.' <commentary>Since the user is requesting code review for Go code, use the golang-code-reviewer agent to analyze the code for idiomatic patterns, potential bugs, test coverage, and hardcoded values.</commentary></example> <example>Context: User has completed a feature implementation and wants thorough review. user: 'Here's my implementation of the user service with database operations. Please check it over.' assistant: 'Let me use the golang-code-reviewer agent to thoroughly analyze your user service implementation.' <commentary>The user needs Go code review, so use the golang-code-reviewer agent to examine the database operations, error handling, and overall code quality.</commentary></example>