Report keychain signature status

crates/geth-node/src/lib.rs

@@ -2914,6 +2914,7 @@ pub fn handle_request(
             Ok(ControlResponse::KeychainStatus(KeychainStatusResponse {
                 initialized: view.initialized,
                 admin_keys: view.admin_keys.len(),
+                signatures: store.list_keychain_signatures()?.len(),
                 users: view.users.len(),
                 devices: view.devices.len(),
                 nodes: view.nodes.len(),