A retail company is building a customer-support agent in Copilot Studio. The support team handles a fixed, well-defined set of about 12 request types (order status, returns, password reset, etc.), each requiring a specific structured workflow with strict compliance validation. Latency and predictability of routing are critical, and leadership wants deterministic, auditable behavior for how each request is classified and handled. Which natural language processing approach should the architect configure for intent handling?