CON-10571: rewrite Payment automation for Mews Payments Checkout

AGENTS.md

@@ -55,6 +55,7 @@ Examples:
   - Remove filler words ("basically", "actually", "really", "in order to" → "to").
   - Avoid words that downplay difficulty or assume something is obvious, such as "just", "simply", "obviously", "of course", "clearly", "easy", "everyone knows", and similar.
   - Prefer one precise sentence over two vague ones.
+- Use **en dashes** (–), not em dashes (—), for parenthetical breaks and separators in prose and lists.
 
 ### 4. Structure and consistency
 

connector-api/changelog/README.md

@@ -1,6 +1,14 @@
 # Changelog
 
 {% updates format="full" %}
+{% update date="2026-07-22" %}
+
+## Payment automation use case documents Mews Payments Checkout
+
+- [Payment automation use case](../use-cases/payment-automation.md):
+  - Rewritten to document Mews Payments Checkout, the embeddable checkout for collecting payments and payment methods directly in your application. Covers the payment request and payment method request flows, loading configuration, callback events, styling, and testing. Documentation-only, no change to API.
+
+{% endupdate %}
 {% update date="2026-07-03" %}
 
 ## Clarified RollingReleaseOffset in availability blocks

connector-api/use-cases/how-to.md

@@ -39,7 +39,6 @@ This page summarises all of our 'how to' use cases, together with the main use c
 | How to add a credit card to the guest profile                   | [Add tokenized credit card](../operations/creditcards.md#add-tokenized-credit-card)                                                    | [Kiosk](kiosk.md), [Payment automation](payment-automation.md)                      |
 | How to get details of stored credit cards                       | [Get all credit cards](../operations/creditcards.md#get-all-credit-cards)                                                              | [Kiosk](kiosk.md), [Payment automation](payment-automation.md)                      |
 | How to check if a credit card is stored against a guest profile | [Get all credit cards](../operations/creditcards.md#get-all-credit-cards)                                                              | [Kiosk](kiosk.md), [Payment automation](payment-automation.md)                      |
-| How to get the merchant ID for the Mews Payment Gateway         | [Get configuration](../operations/configuration.md#get-configuration)                                                                  | [Payment automation](payment-automation.md)                                         |
 | How to record an external card payment                          | [Add credit card payment](../operations/payments.md#add-credit-card-payment)                                                           | [Kiosk](kiosk.md)                                                                   |
 | How to record a general external payment                        | [Add external payment](../operations/payments.md#add-external-payment)                                                                 | [Kiosk](kiosk.md)                                                                   |
 | How to record an alternative external payment                   | [Add alternative payment](../operations/payments.md#add-alternative-payment)                                                           | [Kiosk](kiosk.md)                                                                   |