collect ok-to-mqtt falg

prisma/migrations/20250328205405_add_ok_to_mqtt_to_node/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE `nodes` ADD COLUMN `ok_to_mqtt` BOOLEAN NULL;

prisma/schema.prisma

@@ -51,6 +51,8 @@ model Node {
   // this column tracks when an mqtt gateway node uplinked a packet
   mqtt_connection_state_updated_at DateTime?
 
+  ok_to_mqtt  Boolean?
+
   created_at DateTime @default(now())
   updated_at DateTime @default(now()) @updatedAt