Added cleaned up structs and classes to proper header files.

source/engine/sys/xenon/xen_session_key_mgr.h

@@ -0,0 +1,23 @@
+#pragma once
+
+// Reconstructed C++ declarations from IDA Local Types and PDB/DIA metadata.
+// Original PDB header: w:\tech5\engine\sys\xenon\xen_session_key_mgr.h
+// Recovered logical types: 2
+// Signatures retain Xbox 360 ABI evidence and may still require manual review.
+
+
+// IDA Local Type ordinal 22631; PDB kind: struct.
+struct idSessionKeyMgr::sessionKey_t
+{
+  int refCount;
+  XNKID sessionID;
+  XNKEY keyExchangeKey;
+  idLobbyBackend *lobbyOwner;
+};
+
+// IDA Local Type ordinal 22634; PDB kind: class.
+class idSessionKeyMgr
+{
+public:
+  idStaticList<idSessionKeyMgr::sessionKey_t,10> sessionKeys;
+};