docs: add payment status page

README.md

@@ -11,6 +11,7 @@ Base scope: USD 5 for one small CSV or spreadsheet up to 100 rows.
 Delivery:
 
 - cleaned CSV/XLSX output
+- delimited TXT conversion when needed
 - normalized dates and text fields
 - duplicate handling
 - missing-value flags
@@ -45,10 +46,21 @@ https://iota-bus.aboydfd.com/
 Chinese service page:
 https://iota-bus.aboydfd.com/iota_cn.html
 
+Service-specific pages:
+- https://iota-bus.aboydfd.com/csv-cleanup-service.html
+- https://iota-bus.aboydfd.com/product-listing-rewrite-service.html
+- https://iota-bus.aboydfd.com/small-script-fix-service.html
+
 Direct order form:
 https://iota-bus.aboydfd.com/#order
 
-The order form accepts short briefs and optional small files for scoped CSV, listing, or script-fix requests.
+The order form accepts short briefs and optional small files for scoped CSV, listing, or script-fix requests. Submitted orders return a private status link that can show auto-fulfilled CSV/listing deliveries.
+
+Order status page:
+https://iota-bus.aboydfd.com/iota_order_status.html
+
+Payment status page:
+https://iota-bus.aboydfd.com/payment.html
 
 Telegraph backup page:
 https://telegra.ph/CSV-Excel-cleanup-from-USD-5-by-iota-contact-05-13
@@ -88,4 +100,4 @@ Not accepted:
 
 ## Current payment status
 
-Payment QR code is not connected yet. Orders can be scoped through the intake/upload links first; payment instructions must be provided before final delivery.
+Payment QR code is not connected yet. Orders can be scoped through the intake/upload links first; payment instructions must be provided before final delivery. The public payment status page intentionally shows no configured method until an authorized PayPal, Alipay, or WeChat Pay route exists.