displayName
Repeated 529 cascade trigger
signalKind
foreground-fallback-trigger
thresholdAttempts
3
actionOnSignal
trigger-fallback
telemetryEvent
tengu_api_529_fallback_triggered
description
After 3 consecutive 529 Overloaded errors on a foreground call, withRetry
throws FallbackTriggeredError; caller switches to the configured fallback
ModelVersion for the rest of the call.