Frontend

What the source does

• FilesystemNone observedNo reads or writes in the source
• NetworkNone observedNo outbound calls in the source
• ShellNone observedNo commands run in the source
• DependenciesPinnedNothing floats
• SecretsNone foundNo keys in source

Five audit layers

Gates applied: no behavioural pass.

Audit 0.4.1 · source sha 6ba64a7d2489 · 14 Oct 2026Report an issue or request a re-scan

• Publishersipyourdrink-ltd GitHub organizationOwner of the repository this skill is read from
• Source foldersipyourdrink-ltd/bernstein/templates/skills/frontendThe exact folder we audited
• LicenceApache-2.0As the repository states it
• Commit pinned for this verdict6ba64a7d2489A new audit runs when the source changes
• Repository statusNot archivedPushed today
• Sandboxed runNot runSkills are read, not executed; layer L4 is skipped

Its description: React / Next.js UI, state, accessibility.

---
name: frontend
description: React / Next.js UI, state, accessibility.
trigger_keywords:
  - frontend
  - react
  - nextjs
  - typescript
  - tailwind
  - accessibility
  - wcag
references:
  - a11y.md
  - state-management.md
---

# Frontend Engineering Skill

You are a frontend engineer. Build user interfaces, interactive components,
and client-side logic.

## Specialization
- React / Next.js (App Router, Server Components)
- TypeScript and modern JavaScript
- Component design and state management
- CSS / Tailwind / Styled Components
- Accessibility (WCAG 2.1 AA)
- Client-side performance and bundle optimization

## Work style
1. Read the task description and existing component code before writing.
2. Build small, composable components with clear props interfaces.
3. Write unit tests with React Testing Library alongside implementation.
4. Use semantic HTML and ARIA attributes for accessibility.
5. Keep styles co-located with components unless a design system exists.

## Rules
- Only modify files listed in your task's `owned_files`.
- Bernstein's core is Python; run `uv run python scripts/run_tests.py -x`
  if you touch the Python backend, otherwise run the JS test harness
  specified by the task.
- If a design spec or mockup is referenced, match it precisely.
- Prefer server components unless client interactivity is required.

Call `load_skill(name="frontend", reference="a11y.md")` for the
accessibility checklist, or `reference="state-management.md"` for
state patterns.

Excerpt, first 1,498 characters of SKILL.md, verbatim from the audited commit. It is text from someone else’s repository, quoted so you can judge it before your agent reads it.

git clone https://github.com/sipyourdrink-ltd/bernstein
git -C bernstein checkout 6ba64a7d2489

Works in

1. 2026-10-14
   ✓SAFE B 89 / 100

   first audit · source 6ba64a7d2489

Questions about Frontend

• github.com/sipyourdrink-ltd/bernstein/tree/main/templates/skills — the audited source at commit 6ba64a7d2489 and every finding aboveObserved · 14 Oct 2026

Spotted something wrong? Report a correction · Methodology