docs: add agent os kernel design notes

Author: JoTalbot

docs/AGENT_OS_KERNEL.md

@@ -0,0 +1,16 @@
+# Agent OS Kernel
+
+AIOS v5.1 direction:
+
+- Agent process model
+- Lifecycle manager
+- Resource manager
+- Isolation
+- Agent IPC
+- Recovery
+
+Agent lifecycle:
+
+CREATED -> INITIALIZING -> READY -> RUNNING -> WAITING -> SUSPENDED -> TERMINATED
+
+All autonomous changes require policy checks and audit trails.