Crate ustreamer_quality 

Adaptive quality controller for the ultra-streamer pipeline.

Handles:

• Interaction idle detection → lossless refinement on settle
• Network quality monitoring → bitrate/resolution tier switching
• Framerate reduction during idle periods

Structs

NetworkMetrics

Network feedback used to cap the currently requested quality tier.

QualityConfig

Thresholds for idle detection and quality transitions.

QualityController

Tracks interaction state and determines encoding parameters each frame.