feat(server): refactor handlers, router, state management, and memory tools

stub/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mcp-memory-stub"
-version = "0.1.0"
+version = "1.0.0"
 edition = "2024"
 
 [dependencies]
@@ -15,7 +15,7 @@ tracing = "0.1.44"
 tracing-subscriber = "0.3.23"
 dirs = "7.0.0"
 serde_json = "1.0.151"
-mcp-stdio = { version = "0.1.0", path = "../mcp-stdio" }
+mcp-stdio = { version = "1.0.0", path = "../mcp-stdio" }
 regex = "1.13.1"
 async-channel = "2.5.0"