Wire payments UI and fix frontend tests

frontend/src/i18n/en.json

@@ -19,5 +19,31 @@
     "label": "Language",
     "arabic": "العربية",
     "english": "English"
+  },
+  "payment": {
+    "title": "Payment (Beta)",
+    "subtitle": "Send a Moyasar payment for an existing booking.",
+    "badge": "Payments",
+    "bookingId": "Booking ID",
+    "accessToken": "Access token",
+    "accessTokenPlaceholder": "Paste JWT access token",
+    "sourceType": "Source type",
+    "sourceValue": "Source value",
+    "sourceValuePlaceholder": "Mobile number or token",
+    "callbackUrl": "Callback URL",
+    "payNow": "Pay now",
+    "processing": "Processing...",
+    "idempotency": "Idempotency key",
+    "sources": {
+      "stcpay": "stc pay (mobile)",
+      "token": "tokenized payment",
+      "applepay": "Apple Pay"
+    },
+    "errors": {
+      "bookingRequired": "Booking ID is required.",
+      "mobileRequired": "Mobile number is required for stc pay.",
+      "tokenRequired": "Token is required for token payments.",
+      "generic": "Payment request failed."
+    }
   }
 }