Fix Share stats disappearing regression

api/cmd/kamado-api/main.go

@@ -101,6 +101,13 @@ func main() {
 	zmq := zmqmon.New(cfg.BitcoinZMQBlock, log)
 	go zmq.Run(ctx)
 
+	// Restore persisted state before anything can mutate it. The log
+	// tailer's ingest goroutines below share these counters and persist
+	// them on their first event, so starting them against a half-loaded
+	// aggregator overwrites the accumulated history with a few seconds
+	// of new shares.
+	agg.LoadPersisted()
+
 	go agg.Run(ctx, zmq.Events)
 
 	// Background reconciliation: retry hash/reward enrichment for blocks