Улученный decline устройств, теперь не требуется рвать сокет

src/main/java/com/rosetta/im/database/entity/Device.java

@@ -7,10 +7,14 @@ import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
 import jakarta.persistence.Id;
+import jakarta.persistence.Index;
 import jakarta.persistence.Table;
 
 @Entity
-@Table(name = "devices")
+@Table(name = "devices", indexes = {
+    @Index(name = "idx_public_key", columnList = "publicKey, deviceId", unique = true)
+})
+
 public class Device extends CreateUpdateEntity {
 
     @Id