diff --git a/src/lib.rs b/src/lib.rs
index a624c64..9856550 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -10,4 +10,5 @@ pub mod channels;
 pub mod logging;
 pub mod observability;
 pub mod skills;
+pub mod storage;
 pub mod tools;
diff --git a/src/storage/message.rs b/src/storage/message.rs
new file mode 100644
index 0000000..638cc6a
--- /dev/null
+++ b/src/storage/message.rs
@@ -0,0 +1 @@
+// Message CRUD 操作占位符
diff --git a/src/storage/mod.rs b/src/storage/mod.rs
new file mode 100644
index 0000000..36f83d5
--- /dev/null
+++ b/src/storage/mod.rs
@@ -0,0 +1,5 @@
+pub mod error;
+pub mod session;
+pub mod message;
+
+pub use error::StorageError;
diff --git a/src/storage/session.rs b/src/storage/session.rs
new file mode 100644
index 0000000..6387386
--- /dev/null
+++ b/src/storage/session.rs
@@ -0,0 +1 @@
+// Session CRUD 操作占位符