pos gap fix

main.go

@@ -1,12 +1,14 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"log"
 	"nearle/config"
 	"nearle/db"
 	"nearle/facade"
 	"nearle/messaging"
+	"nearle/middleware"
 	"nearle/models"
 	"nearle/repositories"
 	"nearle/routes"
@@ -510,6 +512,16 @@ func main() {
 		repositories.SetCatalogueNotifier(posMqtt)
 	}
 
+	// How much of the till fleet is carrying a session token, in the log every
+	// half hour.
+	//
+	// `POS_AUTH_REQUIRED` is off, and the only thing between here and switching
+	// it on is that number — nothing was recording it, so an untokened till was
+	// waved through in silence and the risk of flipping the flag could only be
+	// measured by flipping it. The same figures are on
+	// `GET /v1/web/pos/authadoption`, behind the session guard.
+	go middleware.LogPosAdoption(context.Background())
+
 	// Start server on APP_PORT (1122 locally, 1009 in production — see the
 	// env files). Running a second copy beside something else is a one-line
 	// change there rather than here.