NEXUS POS — BOOKSHOP PAYSTACK FOUNDATION — PHASE 19.10.10
Runtime 20261021.282

Use the incremental PRODUCTION UPDATE if installed runtime is 20261020.281 or newer.
Use the cumulative bridge only if production runtime is 20261001.267 or newer.

1. Back up database, all project files, and storage/security folder.
2. In Super Admin → Updates, upload the appropriate production ZIP.
3. Install, then open Bookshop Settings → M-Pesa / Paystack as Administrator.
4. Configure the client's per-shop TEST SECRET keys and verify; HTTPS is mandatory in production.
5. Do not enable live STK; this release stores live credentials only for future rollout.

This package never includes config/database.php or merchant secrets. No manual SQL migration.
