Understand Stream Protection Modes
masterUsenetStreamer provides several modes to handle stream reliability and health checks:
none: No health checks, no auto-advance.auto-advance: No health checks; fallback only when a stream fails.health-check: Upfront triage (downloads samples) before returning the stream list.health-check-auto-advance: Upfront filtering plus fallback queueing.smart-play: Background health checks; returns results immediately, verifies in background, and picks healthy results.smart-play-auto-advance: Background health checks + Smart Play + auto-advance protection.