rewrite to zmq push and pull patterns.

file load works, suite can start up

Azaion.AI/remote_command.pyx

@@ -0,0 +1,19 @@
+import msgpack
+
+cdef class RemoteCommand:
+    def __init__(self, CommandType command_type, str filename, bytes data):
+        self.command_type = command_type
+        self.filename = filename
+        self.data = data
+
+    def __str__(self):
+        command_type_names = {
+            1: "INFERENCE",
+            2: "LOAD",
+        }
+        return f'{command_type_names[self.command_type]}: {self.filename}'
+
+    @staticmethod
+    cdef from_msgpack(bytes data):
+        unpacked = msgpack.unpackb(data, strict_map_key=False)
+        return RemoteCommand(unpacked.get("CommandType"), unpacked.get("Filename"), unpacked.get("Data"))