golang

Comprehensive Go 1.26 development skill enforcing idiomatic patterns, error wrapping with fmt.Errorf %w, small interfaces, table-driven tests. Triggers on "go", "golang", ".go file", "write go", "go function", "go struct", "go interface", "go method", "go error handling", "errors.Is", "errors.As", "fmt.Errorf", "go concurrency", "goroutine", "channel", "sync.Mutex", "errgroup", "context.Context", "go mod", "go.mod", "go.sum", "go test", "go build", "go run", "golangci-lint", "go fmt", "gofmt", "go vet", "go generate", "go embed", "go template", "http handler", "gin", "echo", "chi", "fiber", "gorm", "sqlx", "go project", "go package", "go module", "defer", "panic recover", "go slice", "go map", "go pointer". PROACTIVE: MUST invoke when writing ANY .go file.