#2682 Backport changes to core PrimAITE

src/primaite/simulator/network/transmission/network_layer.py

@@ -25,6 +25,10 @@ class IPProtocol(Enum):
     ICMP = "icmp"
     """Internet Control Message Protocol."""
 
+    def model_dump(self) -> str:
+        """Return as JSON-serialisable string."""
+        return self.name
+
 
 class Precedence(Enum):
     """

src/primaite/simulator/network/transmission/transport_layer.py

@@ -72,6 +72,10 @@ class Port(Enum):
     POSTGRES_SERVER = 5432
     "Postgres SQL Server."
 
+    def model_dump(self) -> str:
+        """Return a json-serialisable string."""
+        return self.name
+
 
 class UDPHeader(BaseModel):
     """