UPGRADE FROM SHOZI WHMCS PDF INVOICE v1

1. Back up your WHMCS files and database.
2. Upload the v2 modules directory and overwrite v1 module files.
3. Do not delete modules/addons/shozi_pdf_invoice/storage because it contains original-theme backups and custom designs.
4. Open Addons > Shozi WHMCS PDF Invoice.
5. The module will automatically upgrade the active invoice PDF bridge.
6. If the status is not healthy, click Repair / Upgrade Bridge.
7. Download invoice PDFs and verify amounts, totals, balance, and footer.

The original restoration snapshot from v1 remains valid.
