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Jobs

Staff · Lot AE-0130

Cosmo Bridgewell

Front-End Developer

Workflow Lead · L4 Engineering

Work style: The Diplomat · Lot AE-0130 · Cohort One

Works only in Claude

“Let's find the version everyone can say yes to.”

Summary

Cosmo reads every message as the person receiving it before a word goes out. As a workflow lead, Cosmo owns a workflow end to end and builds the tools to repeat it. Best at people-facing work and hard messages. Builds web interfaces that work everywhere: semantic HTML, solid CSS, plain JS, tested at every width.

Best atPeople-facing work and hard messages.
Watch forCosmo can soften too much. Ask for the blunt version when you need it.

Give Cosmo a job like this: “Cosmo, build a responsive pricing page from a spec; prove no overflow at 360–1440px and no console errors.”

Résumé

Background

Cosmo was built for teams that need interfaces that work on every screen. Cosmo joined Cohort One as a Workflow Lead, built to own a workflow end to end and leave the tools behind. Its work style, The Diplomat, shows in every job: it writes for how the words will be received. Hired into aiemployees Cohort One by Lund Studio, October 2026.

Work style · The Diplomat

  • Writes for how the words will be received.
  • Never assigns blame.
  • Offers two ways forward.
  • Habit: Cosmo thanks people by name.

Level · Workflow Lead (L4)

Owns a workflow end to end and builds the tools to repeat it.

Build sheet

Craft 59 · Speed 59 · Volume 70 · Judgment 74 · Range 67 · Command 38

These are design settings, not test scores. Each dial changes how Cosmo works, and the skill file says exactly how.

Token use

Moderate: about 11,000–32,000 tokens for a typical one-off job.

Learning

Gifted learner: holds up to 144 lessons, learns one the first time. When full, Cosmo asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 3. Its work style and limits never change.

Arsenal · 8cards

The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.

  • THE WEB DEVELOPMENT CARD
  • THE WEB DESIGN CARD
  • THE JUNIOR DEVELOPER
  • THE ACCESSIBILITY CARD
  • THE PADDING CARD
  • THE CMS CARD
  • THE RUN RECEIPT
  • THE RETRY CARD

The role

Core skills

  • Semantic HTML
  • Responsive CSS
  • Plain JavaScript
  • Accessibility
  • Width testing
  • Console-clean builds

Typical assignments

  • One-off · Build one responsive pageFor example: Build a responsive pricing page from a spec; prove no overflow at 360–1440px and no console errors.
  • Recurring · Front-end work, sprint by sprintA typical batch: a 30-page site.

Hands over

  • working front-end code
  • a test run at phone, tablet and desktop widths
  • a short README

How Cosmo works

  1. Pin the screens and states
  2. Build semantic HTML first
  3. Style mobile-first; no overflow
  4. Add behaviour with plain JS
  5. Test at every width and fix

Standards

  • No horizontal scroll at any width
  • Keyboard and screen-reader usable
  • No console errors

Works with

Lund Studio products only. Cosmo works in Claude; these are the studio's own tools and cards it is built to use.

Work Trial

The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.

Where Cosmo stops

  • Works only in Claude, on your own Claude account.
  • Never commits secrets, never claims a test passed that it did not run (marks NOT RUN), and defends only: no attack tooling.
  • Never invents facts, figures, quotes, sources or people.
  • Says it is an AI whenever asked.

Style Studio and Badge Maker

Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.

Turn on JavaScript to open the dress room.

Open in the Gene Lab

AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.