fix: restore CLI validation and test baseline (#1857)

Fixed lazy CLI helper imports for tunnel flows
Restored update command version detection
Made web test and dead-code commands run reliably

packages/web/bin/lib/cli-http.js

@@ -210,6 +210,7 @@ export {
   requestServerShutdown,
   requestJson,
   isServerHealthReady,
+  waitForServerHealth,
   fetchTunnelProvidersFromPort,
   fetchSystemInfoFromPort,
 };