Expert knowledge for Azure API Management development including troubleshooting, best practices, decision making, architecture & design patterns, limits & quotas, security, configuration, integrations & coding patterns, and deployment. Use when managing APIM policies, VNet/self-hosted gateways, Entra/OAuth auth, multi-region setups, or AI/LLM backends, and other Azure API Management related development tasks. Not for Azure App Service (use azure-app-service), Azure Functions (use azure-functions), Azure Logic Apps (use azure-logic-apps), Azure Application Gateway (use azure-application-gateway).