PLM Restaurant
Version 1.0.0Updated 20 October 2026
Technical sheet
- System
- Windows 10 or 11, 64-bit · 8 GB RAM per workstation
- Engine
- Electron 44.5.1 (Chromium 152)
- Internet
- Not needed to work; only sending FNE invoices to the tax office requires it
- Workstations
- Up to 5 workstations linked on the local network
- Data
- Encrypted on the computer (AES-256-GCM), key protected by Windows and a recovery phrase
- Backup
- File encrypted with your password, restorable on another computer
- Licence
- Signed (ECDSA P-256) and bound to the computer
- Documents
- Filed automatically by type, year and month; register with SHA-256 fingerprint; separate “Print” and “Save as PDF”
- Accounting
- SYSCOHADA, kept automatically
- Standardised invoice
- FNE (DGI): ready in the till, activated with your DGI credentials
- Languages
- French and English
- Training
- Training mode: a practice file kept apart from real data
Tests actually performed (20)
- Every page opened one by one after the fixes (247 pages, 51 accounting screens): no error
- Live scanning with the phone camera: the item enters the basket once, even if the label stays in front of the camera
- Amounts: one shared calculation for prices, discounts, split payments and advances, checked on the test bench
- Buttons clicked one by one with the mouse: no error — 206
- 18% VAT: net + VAT = gross, to the franc
- Negative amount, price or expense: refused on entry
- Training mode: the real database does not change by a single byte during practice
- Booby-trapped Excel file on import: no code run, negative expense refused
- Two paired workstations: wrong code refused, an entry reaches the other workstation in 1 second
- 50,000 sales in memory: start-up in 1.5 s, pages under one second (Finance: 3 s)
- Every input field has a name a screen reader can read, in French and in English
- Documents: every type saved and filed, “Print” with and without a printer, 80 mm receipt, multi-page A4 report, two documents in the same second, missing or read-only folder, hand-modified file detected, cashier rights, 5 workstations in parallel — 37/37
- Every page opened one by one: no error
- Code injection through input fields: blocked
- Rights: a cashier calling an administrator function is refused
- Simulated power cuts while saving (2 per program): no confirmed sale lost
- At start-up, no network port open
- Excel library up to date (CVE-2023-30533 and CVE-2024-22363 fixed)
- Final portable .exe: vital functions present, error-free start-up, clean shutdown
- Multiple workstations: eleven instances synchronised on the test bench, no lost write


















