Step 1: Get Source

async def get_source_deployment(
    user_account_id: str,
    business_id: str,
    product_id: Optional[str] = None,
    product_name: Optional[str] = None
) -> dict

{
    "status": "success",
    "deployment_url": "https://business.searchcompany.dev",
    "project_name": "business-abc123",
    "source_url": "https://customer-domain.com",
    "existing_posts": [
        {"title": "Existing Post 1", "slug": "existing-post-1"},
        {"title": "Existing Post 2", "slug": "existing-post-2"}
    ],
    "entity_id": "uuid-..."
}

src/app/apis/cron/create_boosted_page/children/step_1_get_source.py