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/tenancy/schemas/team.py

@@ -276,6 +276,34 @@ class UserPermissionsResponse(BaseModel):
     role_name: str | None = None
 
 
+# ============================================================================
+# Permission Catalog Schemas
+# ============================================================================
+
+
+class PermissionCatalogItem(BaseModel):
+    """A single permission with its metadata for UI display."""
+
+    id: str
+    label: str
+    description: str
+    is_owner_only: bool = False
+
+
+class PermissionCategoryResponse(BaseModel):
+    """A category of related permissions."""
+
+    id: str
+    label: str
+    permissions: list[PermissionCatalogItem]
+
+
+class PermissionCatalogResponse(BaseModel):
+    """Complete permission catalog grouped by category."""
+
+    categories: list[PermissionCategoryResponse]
+
+
 # ============================================================================
 # Error Response Schema
 # ============================================================================