“Go”

Go 性能分析专家。分析 CPU、内存、GC、并发瓶颈，设计 benchmark，解读 pprof/trace，优化编译器 决策（BCE、内联、逃逸分析）、CPU cache 利用、锁与并发策略、PGO 及 Go 版本升级收益。 用户提出性能相关 question 时激活，涉及 pprof/profile…

Go code quality standards, idioms, and YAGNI/KISS development principles.

Write Go tests the standard way — table-driven subtests, t.Helper, t.Cleanup, and what to assert instead of reflect.DeepEqual.

Use when reading or writing Go files (.go, go.mod).

Go coding conventions.

Go conventions gofumpt and golangci-lint don't enforce — chiefly named types over bare primitives.

Run golangci-lint and fix all reported issues in a Go codebase.

Audit an existing Go codebase for idiom, design, concurrency, error handling, package structure, API shape, tests, and correctness problems, then fix the…

Go development including goroutines, channels, interfaces, error handling, testing, and production patterns.

Principal Go Engineer skill providing cloud-native, high-performance, resilient, observable, and idiomatic Go backend services and distributed systems.

Go API 文档生成流程。用于为 Go HTTP 接口输出完整接口定义、鉴权说明、错误码、示例请求响应与 curl 用法。

Find a Go package that meets a stated need and recommend one.

Goroutine lifetime, context cancellation, channel direction and the mistakes that make Go concurrency leak or race.

Go TDD implementation workflow.

Use only when explicitly invoked as $go-project-scaffold to run the bundled basic Go project scaffold script.

Go testing patterns for Gentleman.Dots, including Bubbletea TUI testing.

Find common Go mistakes — correctness, concurrency, resource, and performance traps.

Use before running any Go toolchain command (`go build`, `go test`, `go run`, `go vet`, `go fmt`, `golangci-lint`).

Go performance analysis: memory allocation, CPU bottlenecks, concurrency contention, struct alignment, escape analysis, and benchmarking patterns.

Guides Google Wire dependency injection — composition root layout, Provide* providers, wireinject files, wire_gen workflow, and cleanup patterns.

Go best practices.

Audit a Go project's dependencies for known vulnerabilities, unmaintained modules, and unused requirements.

Run Go verification pipeline (build + test + vet + lint).

Generate Go test coverage report with package breakdown.