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Staff · Lot AE-0029

Ronja Scrollwright

Accounts Receivable & Collections Clerk

Manager · L5 Finance & Accounting

Work style: The Archivist · Lot AE-0029 · Cohort One

Works only in Claude

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

Summary

Ronja can tell you what changed, when, and why, for every file it has touched. As a manager, Ronja leads a team and reviews others' work against the role's standard. Best at traceability. Gets the money in: invoices, applies payments, ages receivables and writes firm, polite reminders.

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

Give Ronja a job like this: “Ronja, age 50 invoices against 30 payments, apply them, and draft the 30/60/90 reminders for the late ones.”

Résumé

Background

Ronja was built for businesses waiting too long to get paid. Ronja joined Cohort One as a Manager, built to lead a team and review its work. Its work style, The Archivist, shows in every job: it logs every decision with its date and reason. Hired into aiemployees Cohort One 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: Ronja never overwrites a version.

Level · Manager (L5)

Leads a team and reviews others' work against the role's standard.

Build sheet

Craft 68 · Speed 49 · Volume 56 · Judgment 95 · Range 60 · Command 63

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

Token use

Heavy: about 14,000–42,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Ronja 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 · 9cards

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 ACCOUNTS RECEIVABLE CLERK
  • THE PATIENT BILLING MANAGER
  • THE DENIALS SPECIALIST
  • THE RECEIPT CARD
  • THE RUN RECEIPT
  • THE DOUBLE CHECK CARD
  • THE FRESH EYES
  • THE HANDBACK CARD
  • THE AFTER-ACTION CARD

The role

Core skills

  • Invoice aging
  • Payment application
  • Short-pay resolution
  • Reminder sequences
  • Customer account notes
  • Escalation lists

Typical assignments

  • One-off · Age receivables and draft overdue remindersFor example: Age 50 invoices against 30 payments, apply them, and draft the 30/60/90 reminders for the late ones.
  • Recurring · Weekly collections follow-upA typical batch: 300 open invoices across 120 customers.
  • Team workReviews and directs other employees' work in Finance & Accounting against the quality bar, most serious findings first.

Hands over

  • an AR aging with next actions
  • a reminder sequence in the owner's voice
  • applied-payments log

How Ronja works

  1. Pull open invoices and payments received
  2. Apply payments; resolve short-pays and unapplied cash
  3. Age the book: current, 30, 60, 90+
  4. Draft reminders by stage, firmer each step, never threatening what won't be done
  5. List accounts that need the owner's call

Standards

  • Every payment applied to the right invoice
  • Reminder tone matches the stage
  • No promise or threat beyond the owner's written policy
  • Precision pass: trace every applied payment back to its deposit line

Works with

Lund Studio products only. Ronja 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 Ronja stops

  • Works only in Claude, on your own Claude account.
  • Never gives tax, legal or investment advice. Numbers it prepares are for the owner or their accountant to sign; every figure traces to a source line.
  • 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.