From 605a995ec6a18b3d4cb98fa29b504aeb8f2770ea Mon Sep 17 00:00:00 2001
From: NekoPunch <engineer.jyao@gmail.com>
Date: Fri, 28 Aug 2026 02:33:00 -0700
Subject: [PATCH] fix(models): support Node 26 type stripping

---
 scripts/sync-model-metadata.mjs      |  4 ++--
 scripts/sync-model-metadata.test.mjs | 20 +++++++++++++++++++-
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/scripts/sync-model-metadata.mjs b/scripts/sync-model-metadata.mjs
index 2629072d38..55220d5825 100644
--- a/scripts/sync-model-metadata.mjs
+++ b/scripts/sync-model-metadata.mjs
@@ -496,8 +496,8 @@ async function assertGeneratedOutputs(metadataPath, pricingPath, source) {
   );
 }
 
-async function loadTypeScriptModule(source) {
-  const javascript = stripTypeScriptTypes(source, { mode: 'transform' });
+export async function loadTypeScriptModule(source) {
+  const javascript = stripTypeScriptTypes(source, { mode: 'strip' });
   return import(`data:text/javascript;base64,${Buffer.from(javascript).toString('base64')}`);
 }
 
diff --git a/scripts/sync-model-metadata.test.mjs b/scripts/sync-model-metadata.test.mjs
index 8ca634d813..f0475cd5f0 100644
--- a/scripts/sync-model-metadata.test.mjs
+++ b/scripts/sync-model-metadata.test.mjs
@@ -22,7 +22,7 @@ import { mkdtemp, readFile, readdir, rm, writeFile } from 'node:fs/promises';
 import { tmpdir } from 'node:os';
 import { join } from 'node:path';
 import { test } from 'node:test';
-import { main, PROVIDERS } from './sync-model-metadata.mjs';
+import { loadTypeScriptModule, main, PROVIDERS } from './sync-model-metadata.mjs';
 
 function fixtureCatalog() {
   const catalog = {};
@@ -46,6 +46,24 @@ function fixtureCatalog() {
   return catalog;
 }
 
+test('loads the committed generated TypeScript modules', async () => {
+  const [metadataSource, pricingSource] = await Promise.all([
+    readFile(new URL('../packages/core/src/model-metadata.generated.ts', import.meta.url), 'utf8'),
+    readFile(
+      new URL('../packages/runtime/src/telemetry/model-pricing.generated.ts', import.meta.url),
+      'utf8',
+    ),
+  ]);
+  const [metadataModule, pricingModule] = await Promise.all([
+    loadTypeScriptModule(metadataSource),
+    loadTypeScriptModule(pricingSource),
+  ]);
+
+  assert.ok(Object.keys(metadataModule.GENERATED_MODELS_DEV_METADATA).length > 0);
+  assert.ok(Array.isArray(pricingModule.GENERATED_MODEL_PRICING));
+  assert.ok(pricingModule.GENERATED_MODEL_PRICING.length > 0);
+});
+
 test('a refresh persists the exact selected input and check fails on stale output', async () => {
   const root = await mkdtemp(join(tmpdir(), 'maka-model-snapshot-'));
   try {