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Refactoring Protocol

Enforce a risk-averse refactoring protocol with test verification and rollback.

Updated Dec 9, 2025
Search Tags:#git#testing#rollback#refactor#code-quality#software-engineering#phase-based
One-click install
npx skills add https://github.com/PROdotes/Gosling2 --skill refactoring-protocol
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Refactoring Protocol
Source: https://github.com/PROdotes/Gosling2/tree/main/.agent/skills/refactoring-protocol
Command: npx skills add https://github.com/PROdotes/Gosling2 --skill refactoring-protocol

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill provides a disciplined, test-driven protocol for refactoring that minimizes risk by requiring verification, incremental changes, and a clear rollback path.

Core Features & Use Cases

  • Phase-driven workflow covering assessment, planning, execution, verification, and completion to structure large refactors.
  • Safety-first approach that enforces running tests before, during, and after changes to catch regressions early.
  • Guidance on common refactoring patterns (Extract Method, Extract Class, Move Method, Rename, Introduce Parameter Object) with concrete steps and examples.
  • Use Case: A team refactors a 800-line module to improve maintainability while preserving behavior and providing a rollback path.

Quick Start

Follow the protocol: identify refactoring need, run tests (python tools/run_tests.py), plan changes, execute in small steps, verify with tests, and commit with a descriptive message.

Frequently Asked Questions about Refactoring Protocol

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I safely refactor code with a rollback plan?▼

Safe refactoring uses a phase-driven protocol requiring test verification before, during, and after changes to catch regressions early and provide a clear rollback path. It structures large structural changes incrementally to minimize risk.

What is the best way to structure large code refactoring?▼

Structuring large refactoring requires a phase-driven workflow covering assessment, planning, execution, verification, and completion. This enforces incremental changes and test verification at each step, ensuring maintainability improvements preserve behavior.

How do I apply Extract Method and Move Method patterns safely?▼

Applying patterns like Extract Method, Extract Class, and Move Method safely requires executing changes in small steps and running tests after each modification. This verifies behavior preservation throughout the structural transformation.

Can I refactor an 800-line module without breaking existing tests?▼

Refactoring large modules without breaking tests requires a safety-first approach that mandates running tests before, during, and after structural changes. This disciplined process catches regressions early while improving code maintainability.

When do I need a test-driven refactoring protocol?▼

A test-driven refactoring protocol is needed when software projects undergo structural changes that risk altering behavior. It enforces risk-averse assessment, incremental execution, and explicit rollback rules to prevent regressions.

Why should I run tests after each refactoring step?▼

Running tests after each refactoring step catches regressions early before they compound across the codebase. This safety-first approach enforces behavior preservation during structural transformations and maintains a valid rollback path.

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