sdks/node: mirror Elydora-Node-SDK 2.0.1

Rebuilt from the standalone 2101cb7 tree (durable transactions, Kiro IDE
adapter, hook retry with a bounded chain lock, version 2.0.1) with the
Open-Source API trims re-applied: no webhooks, members, admin events,
deep health, token rotation, or agent integration updates.

Claude-Session: https://claude.ai/code/session_01QoUjdc7HGKTsgj5GhG8HvF

sdks/node/test/cursor-plugin.test.mjs

@@ -25,7 +25,7 @@ import {
 test('Cursor is registered with the native user hook file', async () => {
   const { SUPPORTED_AGENTS } = await import(registryModuleUrl);
   assert.deepEqual(SUPPORTED_AGENTS.get('cursor'), {
-    name: 'Cursor',
+    name: 'Cursor CLI',
     configDir: '~/.cursor',
     configFile: 'hooks.json',
   });