fix: retain Google provider dependencies in desktop builds

scripts/smoke-server.mjs

@@ -26,6 +26,7 @@
  */
 import { spawn } from "node:child_process";
 import { probeEnv, verifyDemoRuntime } from "./smoke-demo-runtime.mjs";
+import { verifyProviderRuntime } from "./smoke-provider-runtime.mjs";
 import { createRequire } from "node:module";
 import * as fs from "node:fs";
 import * as http from "node:http";
@@ -80,6 +81,8 @@ async function main() {
 	// HTTP boot alone never imports the dynamically loaded demo engine.
 	// Fail before packaging if its standalone dependency graph is incomplete.
 	verifyDemoRuntime(STANDALONE, RUNTIME);
+	// /api/models only reads catalogs; initialize the real lazy SDK offline too.
+	verifyProviderRuntime(STANDALONE, RUNTIME);
 	const port = await freePort();
 	const url = `http://127.0.0.1:${port}`;
 	const home = fs.mkdtempSync(path.join(os.tmpdir(), "lh-smoke-"));