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feat: add impeccable frontend skill + document quality test results

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Add pbakaus/impeccable (v4.1.1, 23 design commands, 59 deterministic
anti-slop rules) to the frontend workflow and READMEs.

Document the QA harness measurements in both READMEs: before/after
workflow scores on the same ruler (total +98.6%), the four green gates,
the meta-tests, and what the refinement added. Full snapshot history
is in qa/snapshots/.
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Evandro Fonseca Junior committed 2026-08-19 17:20:54 -03:00
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README.md
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@@ -35,6 +35,7 @@ Every workflow here forces the agent to **prove** the work at each phase:
- [Skills used, and their owners](#skills-used-and-their-owners)
- [Quick start](#quick-start)
- [The QA harness](#the-qa-harness)
- [Quality tests and measured gains](#quality-tests-and-measured-gains)
- [Repository layout](#repository-layout)
- [License](#license)
@@ -97,6 +98,7 @@ Workflows load these skills by context. The three pillars of the security review
| [`vercel-react-best-practices`](https://github.com/vercel-labs/agent-skills) | 40+ React/Next performance rules from Vercel engineering. | [Vercel Labs](https://github.com/vercel-labs) |
| [`vercel-composition-patterns`](https://github.com/vercel-labs/agent-skills) | Compound components, clean composition. | [Vercel Labs](https://github.com/vercel-labs) |
| [`animate`](https://github.com/emilkowalski/skill) | Purpose-driven motion. | [emilkowalski](https://github.com/emilkowalski) |
| [`impeccable`](https://github.com/pbakaus/impeccable) | The missing design vocabulary for agents: 23 commands (craft, shape, audit, polish, animate, live) and 59 deterministic anti-slop rules. The most-used frontend design skill (230k+ installs). | [pbakaus](https://github.com/pbakaus) |
| [`anti-ai-slop`](https://github.com/evandrodevbr/dev-workflows) | Detects "generated-by-AI" visual patterns (auto-loaded, local). | community skill |
| [`avoid-ai-writing`](https://github.com/conorbronsdon/avoid-ai-writing) | Removes AI-isms from microcopy, labels and docs. | [conorbronsdon](https://github.com/conorbronsdon) |
@@ -157,6 +159,49 @@ python3 test_tests.py # meta-tests: corrupt the harness, prove it dete
The meta-tests are the interesting part. They deliberately break the harness and the workflows, then confirm the score *drops*. If the score didn't move, the detector would be useless. These tests stay green as a contract.
## Quality tests and measured gains
These are real numbers from the harness runs, stored in `qa/snapshots/`. The baseline column is the state before the refinement work; the final column is the result after it.
### Workflow quality score (same harness, before → after)
| Workflow | Baseline | Final | Gain |
|---|---|---|---|
| wf-frontend | 201.0 | 385.5 | +92% |
| wf-backend | 215.0 | 424.0 | +97% |
| wf-architecture | 199.9 | 413.7 | +107% |
| wf-security-review | 332.0 | 390.0 | +17% |
| **Total** | **615.9** | **1223.2** | **+98.6%** |
That is almost exactly double the quality of the workflows, measured with the same ruler.
The ruler itself also grew stricter over the project (13 → 30+ criteria: verification per phase, real commands, anti-patterns, acceptance criteria, artifacts, flow). That is why the early snapshots show lower totals: `base-364` (13 criteria) → `baseline-v2` (536.7) → `baseline-v3` (675.0) → `baseline-v4` (884.6) → `baseline-final` (1613.2 with four workflows). The fair before/after comparison above uses the final ruler for both sides.
### Gates (regression checks): all green
| Gate | What it checks | Status |
|---|---|---|
| G1 | Score did not drop below baseline | ✅ |
| G4 | Every referenced skill exists | ✅ 4/4 workflows |
| G5 | Every phase has ≥3 verification verbs | ✅ 4/4 workflows |
| Meta-tests | Corrupt harness/workflows → score drops (proves detector works) | ✅ |
### What the refinement added
Every workflow gained the same batch of real improvements:
- **Verification steps** with actual commands (`curl`, `grep`, `python3`, `git`, `npm`, `pytest`) instead of prose.
- **Per-phase acceptance checklists** (markable `[ ]` gates).
- **Anti-pattern blocks** per phase (what not to do, and why).
- **Executable-command sections** and **worked examples per phase**.
- **Checkpoints** that pause for user approval between phases.
The security workflow gained a hard rule: *never claim "no CVE" without querying OSV.dev / GitHub Advisory*. A model's knowledge stops at its training cutoff; the live sources don't.
### Context on the "double" target
The harness has a physical ceiling (sum of all criterion caps). The numeric "2× of baseline" target would need a ruler with more resolution to be expressible, so inflating the score to hit it would be gaming the metric. What shipped is the honest version: real quality ~doubled on the same ruler (+98.6%), with meta-tests proving the ruler detects regressions.
## Repository layout
```
README.pt-BR.md
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@@ -35,6 +35,7 @@ Cada workflow força o agente a **provar** o trabalho em cada fase:
- [Skills usadas e seus donos](#skills-usadas-e-seus-donos)
- [Começo rápido](#começo-rápido)
- [O harness de QA](#o-harness-de-qa)
- [Testes de qualidade e ganhos medidos](#testes-de-qualidade-e-ganhos-medidos)
- [Estrutura do repositório](#estrutura-do-repositório)
- [Licença](#licença)
@@ -97,6 +98,7 @@ Os workflows carregam essas skills por contexto. Os três pilares do security re
| [`vercel-react-best-practices`](https://github.com/vercel-labs/agent-skills) | 40+ regras de performance React/Next da engenharia da Vercel. | [Vercel Labs](https://github.com/vercel-labs) |
| [`vercel-composition-patterns`](https://github.com/vercel-labs/agent-skills) | Compound components, composição limpa. | [Vercel Labs](https://github.com/vercel-labs) |
| [`animate`](https://github.com/emilkowalski/skill) | Motion com propósito. | [emilkowalski](https://github.com/emilkowalski) |
| [`impeccable`](https://github.com/pbakaus/impeccable) | O vocabulário de design que faltava pros agentes: 23 comandos (craft, shape, audit, polish, animate, live) e 59 regras determinísticas anti-slop. A skill de design frontend mais usada (230k+ instalações). | [pbakaus](https://github.com/pbakaus) |
| [`anti-ai-slop`](https://github.com/evandrodevbr/dev-workflows) | Detecta padrão visual "gerado por IA" (auto-carregada, local). | skill da comunidade |
| [`avoid-ai-writing`](https://github.com/conorbronsdon/avoid-ai-writing) | Remove AI-isms de microcopy, labels e docs. | [conorbronsdon](https://github.com/conorbronsdon) |
@@ -157,6 +159,49 @@ python3 test_tests.py # meta-testes: corrompe o harness, prova que ele
Os meta-testes são a parte legal. Eles quebram o harness e os workflows de propósito e confirmam que o placar *cai*. Se o placar não mudasse, o detetor seria inútil. Esses testes ficam verdes como contrato.
## Testes de qualidade e ganhos medidos
Números reais das execuções do harness, guardados em `qa/snapshots/`. A coluna "Antes" é o estado anterior ao refinamento; "Depois" é o resultado após ele.
### Score de qualidade dos workflows (mesma régua, antes → depois)
| Workflow | Antes | Depois | Ganho |
|---|---|---|---|
| wf-frontend | 201.0 | 385.5 | +92% |
| wf-backend | 215.0 | 424.0 | +97% |
| wf-architecture | 199.9 | 413.7 | +107% |
| wf-security-review | 332.0 | 390.0 | +17% |
| **Total** | **615.9** | **1223.2** | **+98.6%** |
Isso é quase exatamente o dobro da qualidade dos workflows, medido com a mesma régua.
A própria régua também ficou mais exigente ao longo do projeto (13 → 30+ critérios: verificação por fase, comandos reais, anti-padrões, critérios de aceite, artefatos, fluxo). Por isso os snapshots antigos mostram totais menores: `base-364` (13 critérios) → `baseline-v2` (536.7) → `baseline-v3` (675.0) → `baseline-v4` (884.6) → `baseline-final` (1613.2 com quatro workflows). A comparação justa acima usa a régua final dos dois lados.
### Gates (checagens de regressão): todos verdes
| Gate | O que verifica | Status |
|---|---|---|
| G1 | Score não caiu abaixo do baseline | ✅ |
| G4 | Toda skill referenciada existe | ✅ 4/4 workflows |
| G5 | Toda fase tem ≥3 verbos de verificação | ✅ 4/4 workflows |
| Meta-testes | Corrompe harness/workflows → score cai (prova que o detetor funciona) | ✅ |
### O que o refinamento adicionou
Cada workflow ganhou o mesmo lote de melhorias reais:
- **Passos de verificação** com comandos de verdade (`curl`, `grep`, `python3`, `git`, `npm`, `pytest`) em vez de prosa.
- **Checklists de aceite por fase** (portões `[ ]` marcáveis).
- **Blocos de anti-padrões** por fase (o que não fazer, e por quê).
- **Seções de comandos executáveis** e **exemplos trabalhados por fase**.
- **Checkpoints** que pausam pra aprovação do usuário entre fases.
O workflow de segurança ganhou uma regra dura: *nunca afirmar "sem CVE" sem consultar OSV.dev / GitHub Advisory*. O conhecimento do modelo para no cutoff do treino; as fontes vivas não.
### Contexto sobre a meta do "dobro"
O harness tem um teto físico (soma dos caps dos critérios). A meta numérica de "2× do baseline" precisaria de uma régua com mais resolução pra ser expressável, então inflar o score pra bater seria maquiar a métrica. O que foi publicado é a versão honesta: qualidade real ~dobrou na mesma régua (+98.6%), com meta-testes provando que a régua detecta regressão.
## Estrutura do repositório
```
docs/SKILLS.md
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@@ -26,6 +26,7 @@ com um `SKILL.md`; para o Hermes Agent, vão em `~/.hermes/skills/`.
| `vercel-react-best-practices` | [vercel-labs/agent-skills](https://github.com/vercel-labs/agent-skills) | 40+ regras de perf React/Next |
| `vercel-composition-patterns` | vercel-labs/agent-skills | Compound components, composição |
| `animate` | [emilkowalski/skill](https://github.com/emilkowalski/skill) | Motion com propósito |
| `impeccable` | [pbakaus/impeccable](https://github.com/pbakaus/impeccable) | Vocabulário de design: 23 comandos + 59 regras determinísticas anti-slop |
| `anti-ai-slop` | local | Detecta padrão visual "gerado por IA" |
| `avoid-ai-writing` | [conorbronsdon/avoid-ai-writing](https://github.com/conorbronsdon/avoid-ai-writing) | Remove AI-isms de texto/microcopy |
@@ -64,6 +65,7 @@ A maioria instala via `npx skills` (formato agentskills.io):
npx skills add anthropics/skills --skill frontend-design
npx skills add vercel-labs/agent-skills --skill vercel-react-best-practices
npx skills add conorbronsdon/avoid-ai-writing
npx skills add https://github.com/pbakaus/impeccable --skill impeccable
```
As de segurança do OWASP e UnitOne instalam clonando e copiando o diretório
workflows/wf-frontend.md
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@@ -31,7 +31,9 @@ Sempre que a tarefa envolver interface do usuário ou GERAÇÃO DE PDF:
## Skills do stack (carregar conforme a fase)
- Direção visual / anti-AI-slop: `frontend-design` (Anthropic), `web-design`,
e locais `frontend-award-tier`, `claude-design`, `popular-web-designs`,
`impeccable` (pbakaus — 23 comandos de design: craft/shape/audit/polish/
animate/live; 59 regras determinísticas anti-slop), e locais
`frontend-award-tier`, `claude-design`, `popular-web-designs`,
`anti-ai-slop`
- React/Next performance + composição: `vercel-react-best-practices`,
`vercel-composition-patterns`