Initial commit of integrated agent system

backend/runtime/__init__.py

@@ -0,0 +1,13 @@
+from .agent_runtime import AgentRuntimeState
+from .context import TradingRunContext
+from .manager import TradingRuntimeManager
+from .registry import RuntimeRegistry
+from .session import TradingSessionKey
+
+__all__ = [
+    "AgentRuntimeState",
+    "TradingRunContext",
+    "TradingRuntimeManager",
+    "RuntimeRegistry",
+    "TradingSessionKey",
+]