初始化demo

agent_demo/persistence/__init__.py

@@ -0,0 +1,23 @@
+from .base import Session, SessionStore
+from .json_store import JSONSessionStore
+from .sqlite_store import SQLiteSessionStore
+
+
+__all__ = [
+    "Session",
+    "SessionStore",
+    "JSONSessionStore",
+    "SQLiteSessionStore",
+    "get_session_store",
+]
+
+
+def get_session_store() -> SessionStore:
+    from .. import config
+    backend = config.SESSION_BACKEND
+    if backend == "sqlite":
+        return SQLiteSessionStore(config.SQLITE_PATH)
+    if backend == "json":
+        return JSONSessionStore(config.SESSION_DIR)
+    raise ValueError(f"Unsupported SESSION_BACKEND: {backend}")
+