reverse

Testing & Quality

[UDS] Reverse engineer code to Specs, BDD, or TDD coverage

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I want to install this Agent Skill for this project in Codex.

Source SKILL.md: https://github.com/majiayu000/claude-skill-registry/blob/HEAD/skills/analysis/reverse-engineer-asiaostrich-universal-dev-standa-2/SKILL.md

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Reverse Engineering Assistant | 反向工程助手

Reverse engineer existing code into specifications, BDD scenarios, or TDD coverage reports.

將現有程式碼反向工程為規格文件、BDD 場景或 TDD 覆蓋率報告。

Subcommands | 子命令

Subcommand	Input	Output	Description	說明
`spec`	Code files/dirs	`SPEC-XXX.md`	Extract spec from code	從程式碼提取規格
`bdd`	`SPEC-XXX.md`	`.feature`	Convert ACs to Gherkin	將 AC 轉為 Gherkin
`tdd`	`.feature`	Coverage Report	Analyze test coverage	分析測試覆蓋率

Workflow | 工作流程

spec: Code to Specification

Scan - Read source files and identify public APIs, data flows, and business logic
Classify - Tag each finding as [Confirmed], [Inferred], or [Unknown]
Structure - Organize into SDD spec format with Acceptance Criteria
Attribute - Cite every reversed item with file:line source reference

bdd: Specification to Gherkin

Parse - Read SPEC-XXX.md and extract Acceptance Criteria
Convert - Map each AC to a Gherkin Scenario (1:1 mapping)
Tag - Add @SPEC-XXX and @AC-N tags for traceability
Write - Output .feature file with # [Source: path:AC-N] comments

tdd: Feature to Coverage Report

Parse - Read .feature file scenarios
Search - Find corresponding test files using Grep/Glob
Map - Match scenarios to existing unit tests
Report - Output coverage matrix (covered / missing / partial)

Anti-Hallucination Rules | 防幻覺規則

Rule	Requirement	要求
Certainty Tags	Use `[Confirmed]`, `[Inferred]`, `[Unknown]` for all findings	所有發現須標注確定性
Source Attribution	Cite `file:line` for every reversed item	每項反向結果須引用來源
No Fabrication	Never invent APIs or behaviors not found in code	不得捏造程式碼中不存在的 API 或行為

Usage | 使用方式

/reverse spec src/auth/ - Extract specification from auth module
/reverse bdd specs/SPEC-AUTH.md - Convert spec ACs to Gherkin scenarios
/reverse tdd features/auth.feature - Analyze test coverage for feature file

Reference | 參考

Detailed guide: guide.md
Core standard: reverse-engineering-standards.md