v1.3.0
LoggerExposureTracker/LoggerConversionTracker— default zero-infra sinks that write each event as one structured PSR-3 log record (log level configurable). Folded in from the formeryii3-ab-testing-psr-loggeradapter. Coreconfig/di.phpdoes not bind them (one-source rule); bind them in app config. Addspsr/logas a runtime dependency.