'rebuilt missing sales and staff pages

backup-website/add_paypal_data_column.sql

@@ -0,0 +1,10 @@
+-- Add paypal_data column to billing_orders table
+-- This stores the full PayPal response JSON for admin/refund tracking
+-- Table prefix is hardcoded to gsp_ for standalone billing module
+
+ALTER TABLE `gsp_billing_orders` 
+ADD COLUMN `paypal_data` TEXT NULL AFTER `payment_txid`;
+
+-- Update comment
+ALTER TABLE `gsp_billing_orders` 
+MODIFY COLUMN `paypal_data` TEXT NULL COMMENT 'Full PayPal API response JSON for tracking/refunds';