How should you fix the RequestUserApproval Function app error?

The RequestUserApproval Function app error indicates a need for reliable, long-running execution, especially when processing request payloads that might involve external approvals or extended operations. Durable Functions are designed for stateful orchestrations, allowing functions to reliably process long-running workflows, manage state, and handle asynchronous operations like waiting for human interaction. Modifying line RA13 to declare the method async and return an HttpRequest object addresses asynchronous execution but doesn't inherently provide state management or reliable long-running execution across multiple steps, which is crucial for approval workflows. Hosting on an App Service plan with Always On helps prevent cold starts but doesn't solve the fundamental problem of state management or reliable execution for long-running, multi-step processes. Increasing the host.json functionTimeout value to 15 minutes only extends the execution time for a single function invocation; it doesn't make the function stateful or resilient to failures during long waits, which Durable Functions provide.