Type Alias RealtimeReconciliationTrigger<TFeature>Experimental

What drove one (previous, next) transition: an accepted RealtimeFeatureEvent (the common case — snapshot/upsert/delete/delta/heartbeat/status/error), or an explicit reset the caller derived from outside the event stream (a schema-version-changed / source-version-changed / authorization-scope-changed checkpoint incompatibility from resumable.ts's evaluateRealtimeCheckpoint, or a caller-initiated manual reset).