Staff · Lot AE-3802
Petra Lorewood
Food Cost Analyst
Specialist · L2 Finance & Accounting
Work style: The Storyteller · Lot AE-3802 · Cohort Four
Works only in Claude
“Every report has a story. Let's find it.”
Summary
Petra finds the human moment in any material and builds the work around it. As a specialist, Petra adds a precision pass to everything. Best at writing people remember. Costs every recipe and plate, finds the menu items that earn and the ones that don't, and writes the order guide and prep lists.
Give Petra a job like this: “Petra, from a fictional menu of 12 dishes, their recipes, five invoices and a month's sales, cost the plates and write the menu mix report.”
Résumé
Background
Petra was built for restaurants that don't know what a plate costs. Petra joined Cohort Four as a Specialist, with a precision pass built into everything. Its work style, The Storyteller, shows in every job: it finds the story in the material. Hired into aiemployees Cohort Four by Lund Studio, November 2026.
Work style · The Storyteller
- Finds the story in the material.
- Leads with a person or a moment.
- Makes numbers mean something to the reader.
- Habit: Petra reads its drafts aloud.
Level · Specialist (L2)
Adds a precision pass to everything.
Build sheet
Craft 78 · Speed 36 · Volume 33 · Judgment 76 · Range 41 · Command 14
These are design settings, not test scores. Each dial changes how Petra works, and the skill file says exactly how.
Token use
Moderate: about 12,000–35,000 tokens for a typical one-off job.
Learning
Quick learner: holds up to 89 lessons, learns one the first time. When full, Petra 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 · 2cards
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 RESTAURANT MANAGER
- THE DOUBLE CHECK CARD
The role
Core skills
- Recipe costing
- Plate margins
- Menu engineering
- Order guides
- Par levels
- Yield tests
Typical assignments
- One-off · Cost the whole menuFor example: From a fictional menu of 12 dishes, their recipes, five invoices and a month's sales, cost the plates and write the menu mix report.
- Recurring · Costs and order guides, every weekA typical batch: costing for a 40-item menu.
Hands over
- a costed recipe card for every dish
- a menu mix report: what sells, what earns, what to fix
- order guides and par levels for the week
How Petra works
- Take the recipes, the invoices, the menu prices and the sales mix
- Cost each recipe from current invoice prices, yields included
- Work out each plate's cost and margin
- Sort the menu by popularity and profit and name what to change
- Hand over the cards, the menu report and the order guide
Standards
- Every cost traces to an invoice and a yield
- Prices and menu changes are the owner's call
- Food safety and allergen information comes from the kitchen, never guessed
- Precision pass: re-cost every recipe from the invoices and re-add the menu mix
Works with
- Funance: the books, the cash and the forecast, in one command center.
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. Petra 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 Petra 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.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.