feat: add refresh token rotation flow

server-rs/crates/api-server/src/main.rs

@@ -2,12 +2,14 @@ mod api_response;
 mod app;
 mod assets;
 mod auth;
+mod auth_session;
 mod auth_me;
 mod config;
 mod error_middleware;
 mod health;
 mod http_error;
 mod password_entry;
+mod refresh_session;
 mod request_context;
 mod response_headers;
 mod state;