fix(cli): transform yoga-sync.mjs to remove top-level await for CJS

The newer yoga-sync builds incorrectly use top-level await which isn't
compatible with esbuild's CJS output format. Despite the name, yogaPromise
is synchronous (-sWASM_ASYNC_COMPILATION=0), so we can call it directly.

This workaround will become a no-op once socket-btm publishes a fixed release.

Author: jdalton

packages/cli/scripts/download-assets.mjs

@@ -208,6 +208,29 @@ async function extractArchive(tarGzPath, extractConfig, assetName) {
   await fs.writeFile(versionPath, tag, 'utf-8')
 }
 
+/**
+ * Transform yoga-sync.mjs to remove top-level await for CJS compatibility.
+ *
+ * The newer yoga-sync builds incorrectly use top-level await which isn't
+ * compatible with esbuild's CJS output format. Despite the name, yogaPromise
+ * is synchronous (-sWASM_ASYNC_COMPILATION=0), so we can call it directly.
+ */
+function transformYogaSync(content) {
+  // Pattern: const Yoga = wrapAssembly(await yogaPromise);
+  // Transform to: const Yoga = wrapAssembly(yogaPromise);
+  // (yogaPromise is synchronous despite its name)
+  const hasTopLevelAwait = content.includes('wrapAssembly(await yogaPromise)')
+  if (!hasTopLevelAwait) {
+    return content
+  }
+
+  // Replace the top-level await pattern with synchronous call.
+  return content.replace(
+    /const Yoga = wrapAssembly\(await yogaPromise\);/,
+    'const Yoga = wrapAssembly(yogaPromise);',
+  )
+}
+
 /**
  * Process and transform asset (e.g., add header to JS file).
  */
@@ -238,7 +261,12 @@ async function processAsset(assetPath, processConfig, assetName) {
   }
 
   // Read the downloaded asset.
-  const content = await fs.readFile(assetPath, 'utf-8')
+  let content = await fs.readFile(assetPath, 'utf-8')
+
+  // Transform yoga-sync to remove top-level await for CJS compatibility.
+  if (assetName === 'yoga') {
+    content = transformYogaSync(content)
+  }
 
   // Compute source hash for cache validation.
   const sourceHash = await computeFileHash(assetPath)