Tests: npm test runs 121 end-to-end API tests covering the WhatsApp agent, shifts, khata, stock, prices, orders, campaigns, automations, the Meta webhook, role-based access, wholesale supply (including per-client margins that follow pump price changes), expenses, suppliers, reports (including exact stock reconciliation across periods), mid-shift price changes with meter settlement, shift handover (readings, gaps, cash expenses, shift report), and a full-circle test that follows one day from the salesman's sales, expenses and meter close through a tanker delivery and a wholesale supply to the manager's notification and the admin's today book, checking every figure against the tanks and the Reports page. Further suites cover PIN sign-in and lockout, sale undo, offline sales synced once at the old price, meter/invoice/bill photos, voice-to-sale parsing (English, Roman Urdu, Urdu), khata receipts, monthly bill links, wholesale messages, QR cards, staff accounts, the cash book, tanker orders, dip charts, the midnight day close, owner questions on WhatsApp, the shop POS, vehicle limits, loyalty payments, licences, checklists, attendance and payroll cuts, owner insights (health score, staff risk, P&L, statement reconciliation, price planner, tank gain/loss), customer portal, khata hold and late charge, government bills, bookings, backups and restore, two-person price approval and push subscriptions, the stock register, coupons, wallets, ratings, the TV rate board, WhatsApp approvals, commission, monthly fixed costs and utility bills, tanker shortage claims, depot comparison, sales tax and withholding, bank statement reconciliation, the general ledger export, staff loans, salary slip PDFs, training records and daily coaching, the first-run setup wizard, branding, integrations set from the app, the audit log and the machines register.
