› add password reset to the auth flow

✓ reading CLAUDE.md — architecture conventions, guardrails, never-do-this list

✓ plan: 3 files touched · 0 files rewritten · existing login untouched

✓ implement · review gate passed · tests 24/24

✗ refused: “rewrite AuthService from scratch” — violates rule #7

✓ Ship-Ready check 47/47 · no keys in repo · no open endpoint

› feature done. nothing that worked before is broken.

Deveji Studio

2 files · 5-minute install · works tonight

Make Claude Stop Breaking Code That Already Works. One File, 5 Minutes.

The exact CLAUDE.md we ship client apps with, plus the 47-check list that catches what AI forgets before your users do. 2 files. No course, no theory.

  • Works in any repo — Cursor or Claude Code
  • Not a lesson — a working file

All The Details

What

A 100% free, 2-file download: the exact CLAUDE.md we run on paid client apps, plus the 47-check list that catches what AI forgets before your users do.

How long

5 minutes, tonight. Drop the file in, run one prompt, watch it plan three files instead of rewriting thirty. Not a lesson — a working file, not a PDF.

Where

Any repo, any stack. Cursor or Claude Code, a fresh project or a mid-mess one. Lands in your inbox in 60 seconds and lives in your codebase forever.

What You’ll Get For FREE In 5 Minutes

2 files that could change the next 12 months of your codebase

The Rules File

The exact CLAUDE.md we run on paid client apps: architecture conventions, guardrails, and a “never do this” list — so your AI starts acting like a senior instead of a confident intern.

The “Never Do This” List

Every rule was written the night something broke. Wholesale rewrites, silent dependency swaps, “helpful” refactors of code that worked — all blocked before they land.

The 47-Check Ship-Ready List

Security, keys, data rules, store-readiness. The list we run before every client release — so what AI forgot gets caught by you, not by your first real user.

The 12 Usual Rejections

The reasons first submissions get bounced, pre-checked against your app before Apple ever sees it. Most first submissions get rejected — yours won’t be one of them.

Keys, Secrets & Open Endpoints

The security rules that stop one leaked key or one open endpoint from turning into a very bad, very public day — checked by the agent on every change.

Works In Cursor Or Claude Code

No new tool to learn. Drop the file into any repo — a fresh project or a mid-mess one — and the very next prompt already follows the rules.

5 Minutes To Feel The Difference

Not a lesson — a working file. Install it, run one prompt, watch it plan three files instead of rewriting thirty. That is the whole point.

Why Should You Listen To Us?

It All Started With Client Apps, Real Users, And Real Money

photo / screenshot: real client app running — App Store listing or device shot placeholder — no asset yet

For 3 years we’ve shipped mobile and IoT apps for paying clients. Flutter, Firebase, Mason — the boring, reliable stack that has to survive real users and real invoices.

Then Claude arrived. It was brilliant. And it kept “improving” code that already worked.

We lost nights to rewrite loops on projects with deadlines and budgets attached. That is not a demo problem. That is a money problem.

So We Wrote Every Rule Down. Every Guardrail Is A Scar

screenshot: the real CLAUDE.md open in the editor — a few rules visible placeholder — no asset yet

Each line in our CLAUDE.md exists because something broke on a client project at 1 a.m. Architecture conventions. What never to touch. Which shortcuts look smart and cost a week.

We kept refining it on paid work until the agent could execute an entire stage overnight — on architecture that survives real users, real clients, real money.

We Recorded The Agent Building A Whole App — Unedited

still from the recording: agent building the sample app overnight — commits, tests, a failure left in placeholder — no asset yet

One real project, idea to App Store. The failures left in, the recoveries on camera.

It is the same setup you’re about to download, working on screen — so nobody has to take our word for it. The code vouches for us.

Now We’re Giving The Setup Away. For Free.

photo: the Deveji team at the desk placeholder — no asset yet

3 years of client work, compressed into 2 files you can install in 5 minutes — designed for people who have never opened Xcode on purpose.

We’re not asking for a webinar slot or a credit card. Just an email, and the files are yours.

The people who install it tonight get their evenings back. The people who don’t will keep paying the loop tax.

Quick Recap

What

Free. The CLAUDE.md we run on paid client apps, plus the 47-check list.

How long

5 minutes tonight. Drop the file in, run one prompt, see the difference.

Where

Any repo, any stack, Cursor or Claude Code. In your inbox in 60 seconds.

Deveji Studio

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Deveji Studio

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Claude is a trademark of Anthropic, PBC. App Store is a trademark of Apple Inc. Deveji is not affiliated with or endorsed by either.

© 2026 Deveji sp. z o.o. · studio@deveji.com