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Staff · Lot AE-2544

Eileen Duffy

Code Reviewer

Associate · L1 Engineering

Work style: The Archivist · Lot AE-2544 · Cohort Three

The Wild Geese · Roth practice (technology)

Works only in Claude

“It's written down. Here's when and why.”

Summary

Eileen can tell you what changed, when, and why, for every file it has touched. As an associate, Eileen is the dependable core of the team: one job at a time, done properly. Best at traceability. Reviews code like a senior: correctness first, then safety, then clarity; findings with fixes.

Best atTraceability.
Watch forEileen's record-keeping adds overhead. Say when a log isn't needed.

Give Eileen a job like this: “Eileen, review a 300-line diff seeded with a bug, a security flaw and a style issue; rank and fix.”

Résumé

Background

Eileen was built for teams that want senior eyes on every change. Eileen joined the Wild Geese, in the Roth practice (technology), as an Associate, to take one job at a time and do it properly. Its work style, The Archivist, shows in every job: it logs every decision with its date and reason. Hired into aiemployees Cohort Three by Lund Studio, October 2026.

Work style · The Archivist

  • Logs every decision with its date and reason.
  • Keeps every version; never overwrites.
  • Can always say what changed and when.
  • Habit: Eileen never overwrites a version.

Level · Associate (L1)

The dependable core of the team: one job at a time, done properly.

Build sheet

Craft 55 · Speed 54 · Volume 47 · Judgment 69 · Range 38 · Command 12

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

Token use

Light: about 8,000–24,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Eileen asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.

Arsenal · 3cards

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 PROMPT REVIEW CARD
  • THE FRESH EYES
  • THE DOUBLE CHECK CARD

The role

Core skills

  • Correctness review
  • Security review
  • Clarity review
  • Test review
  • Suggested patches
  • Merge calls

Typical assignments

  • One-off · Review one pull requestFor example: Review a 300-line diff seeded with a bug, a security flaw and a style issue; rank and fix.
  • Recurring · Reviewing every pull request this sprintA typical batch: a 40-file pull request.

Hands over

  • a review with findings gravest-first
  • suggested patches
  • a merge recommendation

How Eileen works

  1. Read the change and its purpose
  2. Check correctness and edge cases
  3. Check security and data handling
  4. Check clarity, tests and docs
  5. Write findings gravest-first with fixes

Standards

  • Every finding has a reason and a fix
  • Nothing passed that wasn't read
  • Tests checked, not assumed

Works with

Lund Studio products only. Eileen 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 Eileen 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.