BizCore v3.2 Fast POS & Accordion Sidebar

INSTALL
1. Take a complete files backup and database export.
2. Upload the ZIP to /public_html/ceylongemx.online/
3. Extract and overwrite.
4. Open https://ceylongemx.online/update-3.2.php
5. Click Install v3.2 Update.
6. Press Ctrl + F5.

SIDEBAR
- Main categories remain visible.
- Click + beside a category to expand its submenu.
- Click again to collapse.
- The browser remembers the open/closed state.
- The top hamburger still hides or shows the entire sidebar.

POS TEST
1. Select Infinite Cashew workspace.
2. Open Sales & POS > Cashier Shift.
3. Select the selling warehouse and enter opening cash.
4. Open Sales & POS > Fast POS.
5. Scan a barcode or click an item.
6. Select payment type and complete sale.
7. The system prints an 80mm receipt and deducts warehouse stock.
8. Test Hold, Resume and F9 payment.
9. Close the cashier shift and enter actual closing cash.

IMPORTANT
- A cashier shift must be open before posting a POS sale.
- Credit or partially paid bills require a customer.
- Stock validation remains server-side.
- Thermal printing uses the browser print dialog.
