feat(roles): add admin store roles page, permission i18n, and menu integration

- Add admin store roles page with merchant→store cascading for superadmin
  and store-only selection for platform admin
- Add permission catalog API with translated labels/descriptions (en/fr/de/lb)
- Add permission translations to all 15 module locale files (60 files total)
- Add info icon tooltips for permission descriptions in role editor
- Add store roles menu item and admin menu item in module definition
- Fix store-selector.js URL construction bug when apiEndpoint has query params
- Add admin store roles API (CRUD + platform scoping)
- Add integration tests for admin store roles and permission catalog

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/modules/payments/locales/de.json

@@ -1,12 +1,20 @@
 {
-  "menu": {
-    "payments": "Zahlungen"
-  },
-  "payments": {
-    "title": "Zahlungen"
-  },
-  "messages": {
-    "payment_successful": "Zahlung erfolgreich verarbeitet",
-    "payment_failed": "Zahlungsverarbeitung fehlgeschlagen"
-  }
+    "menu": {
+        "payments": "Zahlungen"
+    },
+    "payments": {
+        "title": "Zahlungen"
+    },
+    "messages": {
+        "payment_successful": "Zahlung erfolgreich verarbeitet",
+        "payment_failed": "Zahlungsverarbeitung fehlgeschlagen"
+    },
+    "permissions": {
+        "view_gateways": "Zahlungsgateways anzeigen",
+        "view_gateways_desc": "Konfigurationen der Zahlungsgateways anzeigen",
+        "manage_gateways": "Zahlungsgateways verwalten",
+        "manage_gateways_desc": "Zahlungsgateways konfigurieren und verwalten",
+        "view_transactions": "Transaktionen anzeigen",
+        "view_transactions_desc": "Zahlungstransaktionsverlauf anzeigen"
+    }
 }

app/modules/payments/locales/en.json

@@ -5,6 +5,14 @@
   "payments": {
     "title": "Payments"
   },
+  "permissions": {
+    "view_gateways": "View Gateways",
+    "view_gateways_desc": "View payment gateway configurations",
+    "manage_gateways": "Manage Gateways",
+    "manage_gateways_desc": "Configure and manage payment gateways",
+    "view_transactions": "View Transactions",
+    "view_transactions_desc": "View payment transaction history"
+  },
   "messages": {
     "payment_successful": "Payment processed successfully",
     "payment_failed": "Payment processing failed"

app/modules/payments/locales/fr.json

@@ -1,12 +1,20 @@
 {
-  "menu": {
-    "payments": "Paiements"
-  },
-  "payments": {
-    "title": "Paiements"
-  },
-  "messages": {
-    "payment_successful": "Paiement traité avec succès",
-    "payment_failed": "Échec du traitement du paiement"
-  }
+    "menu": {
+        "payments": "Paiements"
+    },
+    "payments": {
+        "title": "Paiements"
+    },
+    "messages": {
+        "payment_successful": "Paiement traité avec succès",
+        "payment_failed": "Échec du traitement du paiement"
+    },
+    "permissions": {
+        "view_gateways": "Voir les passerelles",
+        "view_gateways_desc": "Voir les configurations des passerelles de paiement",
+        "manage_gateways": "Gérer les passerelles",
+        "manage_gateways_desc": "Configurer et gérer les passerelles de paiement",
+        "view_transactions": "Voir les transactions",
+        "view_transactions_desc": "Voir l'historique des transactions de paiement"
+    }
 }

app/modules/payments/locales/lb.json

@@ -1,12 +1,20 @@
 {
-  "menu": {
-    "payments": "Bezuelungen"
-  },
-  "payments": {
-    "title": "Bezuelungen"
-  },
-  "messages": {
-    "payment_successful": "Bezuelung erfollegräich veraarbecht",
-    "payment_failed": "Bezuelungsveraarbechtung ass feelgeschloen"
-  }
+    "menu": {
+        "payments": "Bezuelungen"
+    },
+    "payments": {
+        "title": "Bezuelungen"
+    },
+    "messages": {
+        "payment_successful": "Bezuelung erfollegräich veraarbecht",
+        "payment_failed": "Bezuelungsveraarbechtung ass feelgeschloen"
+    },
+    "permissions": {
+        "view_gateways": "Bezuelungsgateways kucken",
+        "view_gateways_desc": "Konfiguratiounen vun de Bezuelungsgateways kucken",
+        "manage_gateways": "Bezuelungsgateways verwalten",
+        "manage_gateways_desc": "Bezuelungsgateways konfiguréieren a verwalten",
+        "view_transactions": "Transaktiounen kucken",
+        "view_transactions_desc": "Bezuelungstransaktiounsverlaf kucken"
+    }
 }