Transport: integrate aioquic QUIC datagram server skeleton (QuicWebTransportServer) and QUIC mode in run.py

- New server/quic_transport.py using aioquic to accept QUIC connections and datagrams
- run.py: QUIC mode when QUIC_CERT/QUIC_KEY provided; else in-memory
- requirements.txt: aioquic + cryptography

run.py

@@ -1,10 +1,36 @@
-from server.server import main
+import asyncio
+import os
+
+from server.server import GameServer
+from server.config import ServerConfig
+from server.transport import InMemoryTransport
+
+
+async def main():
+    from server.server import GameServer
+    from server.transport import InMemoryTransport
+
+    cfg = ServerConfig()
+    server = GameServer(transport=InMemoryTransport(lambda d, p: server.on_datagram(d, p)), config=cfg)
+    await asyncio.gather(server.transport.run(), server.tick_loop())
+
 
 if __name__ == "__main__":
-    import asyncio
-
     try:
-        asyncio.run(main())
+        # Optional QUIC mode if env vars are provided
+        cert = os.environ.get("QUIC_CERT")
+        key = os.environ.get("QUIC_KEY")
+        host = os.environ.get("QUIC_HOST", "0.0.0.0")
+        port = int(os.environ.get("QUIC_PORT", "4433"))
+        if cert and key:
+            from server.quic_transport import QuicWebTransportServer
+            from server.server import GameServer
+            cfg = ServerConfig()
+            async def start_quic():
+                server = GameServer(transport=QuicWebTransportServer(host, port, cert, key, lambda d, p: server.on_datagram(d, p)), config=cfg)
+                await asyncio.gather(server.transport.run(), server.tick_loop())
+            asyncio.run(start_quic())
+        else:
+            asyncio.run(main())
     except KeyboardInterrupt:
         pass
-