docs(i18n): document CMS template translations and multi-language content pages

Add sections covering CMS locale file structure, translated template
inventory, TranslatableText pattern for sections, and the new
title_translations/content_translations model API with migration cms_002.

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

app/modules/hosting/routes/api/admin_services.py

@@ -0,0 +1,72 @@
+# app/modules/hosting/routes/api/admin_services.py
+"""
+Admin API routes for client service management.
+"""
+
+import logging
+
+from fastapi import APIRouter, Depends, Path
+from sqlalchemy.orm import Session
+
+from app.api.deps import get_current_admin_api
+from app.core.database import get_db
+from app.modules.hosting.schemas.client_service import (
+    ClientServiceCreate,
+    ClientServiceResponse,
+    ClientServiceUpdate,
+)
+from app.modules.hosting.services.client_service_service import client_service_service
+from app.modules.tenancy.schemas.auth import UserContext
+
+router = APIRouter(prefix="/sites/{site_id}/services")
+logger = logging.getLogger(__name__)
+
+
+@router.get("", response_model=list[ClientServiceResponse])
+def list_services(
+    site_id: int = Path(...),
+    db: Session = Depends(get_db),
+    current_admin: UserContext = Depends(get_current_admin_api),
+):
+    """List services for a hosted site."""
+    return client_service_service.get_for_site(db, site_id)
+
+
+@router.post("", response_model=ClientServiceResponse)
+def create_service(
+    data: ClientServiceCreate,
+    site_id: int = Path(...),
+    db: Session = Depends(get_db),
+    current_admin: UserContext = Depends(get_current_admin_api),
+):
+    """Create a new service for a hosted site."""
+    service = client_service_service.create(db, site_id, data.model_dump(exclude_none=True))
+    db.commit()
+    return service
+
+
+@router.put("/{service_id}", response_model=ClientServiceResponse)
+def update_service(
+    data: ClientServiceUpdate,
+    site_id: int = Path(...),
+    service_id: int = Path(...),
+    db: Session = Depends(get_db),
+    current_admin: UserContext = Depends(get_current_admin_api),
+):
+    """Update a client service."""
+    service = client_service_service.update(db, service_id, data.model_dump(exclude_none=True))
+    db.commit()
+    return service
+
+
+@router.delete("/{service_id}")
+def delete_service(
+    site_id: int = Path(...),
+    service_id: int = Path(...),
+    db: Session = Depends(get_db),
+    current_admin: UserContext = Depends(get_current_admin_api),
+):
+    """Delete a client service."""
+    client_service_service.delete(db, service_id)
+    db.commit()
+    return {"message": "Service deleted"}  # noqa: API001