I’d like to suggest implementing search functionality similar to YouTube’s implementation on Apple TV. The YouTube app has integrated a contextual search feature where pressing the Siri button once while in the app triggers YouTube’s own search overlay (not Apple TV’s global search). This allows users to voice search specifically within YouTube’s library whilst remaining in the app context.
Currently, when inside Infuse, pressing the Siri button once produces a tone, suggesting the app is already detecting this input.