test: align bundler progress cache fixture with metadata contract

Update the cached build fixture to use the current metadata schema and include built bundle state so the progress test exercises the intended cache-hit path instead of triggering a rebuild.

Made-with: Cursor

Author: chillenious

packages/shared/bundler-shared/tests/bundler-progress.test.ts

@@ -29,7 +29,15 @@ describe('Bundler progress events', () => {
     writeFileSync(join(bundleDir, 'player.js'), '// cached');
     writeFileSync(
       join(bundleDir, 'build-metadata.json'),
-      JSON.stringify({ schemaVersion: 1, createdAt: new Date().toISOString() }, null, 2)
+      JSON.stringify(
+        {
+          schemaVersion: 3,
+          createdAt: new Date().toISOString(),
+          builtBundles: ['player'],
+        },
+        null,
+        2
+      )
     );
 
     const events: BuildProgressEvent[] = [];