fix(compiler): emit landscape Quest launch activity

Meta Quest requires landscape orientation for HoloQR release validation. Emit the setting from HoloScript's Quest compiler and guard it with the MR compiler test.

PASS: pnpm check:holoqr-born-from-source
PASS: pnpm vitest QuestCompiler.mr QuestCompiler.golden NativeCompilerFidelity LocomotionLogic.parity RoutingLogic.parity WorldPortalLogic.parity --run
PASS: pnpm holoqr:build-release

Author: brianonbased-dev

apps/quest-universal-qr-scanner/android-mr/app/src/main/AndroidManifest.xml

@@ -71,6 +71,7 @@
     <activity
       android:name="net.holoscript.qrscanner.StarterSampleActivity"
       android:launchMode="singleTask"
+      android:screenOrientation="landscape"
       android:excludeFromRecents="true"
       android:configChanges="screenSize|screenLayout|orientation|keyboardHidden|keyboard|navigation|uiMode"
       android:exported="true"

packages/core/src/compiler/__tests__/QuestCompiler.mr.test.ts

@@ -46,6 +46,13 @@ describe('QuestCompiler immersive_mr (native trait-dispatch)', () => {
     expect(keys.some((k) => k.endsWith('MainActivity.kt'))).toBe(false);
   });
 
+  it('emits a Meta-store-ready landscape launch activity', () => {
+    const out = new QuestCompiler().compile(parsed.ast!, '');
+    const manifest = out[Object.keys(out).find((k) => k.endsWith('AndroidManifest.xml'))!];
+    expect(manifest).toContain('android:screenOrientation="landscape"');
+    expect(manifest).toContain('android:value="quest3|quest3s"');
+  });
+
   it('PassthroughCameraController.kt is generated from the passthrough_camera trait config', () => {
     const out = new QuestCompiler().compile(parsed.ast!, '');
     const ctl = out[Object.keys(out).find((k) => k.endsWith('PassthroughCameraController.kt'))!];

packages/core/src/compiler/quest-mr-emit.ts

@@ -958,6 +958,7 @@ export function emitAndroidManifestXml(f: QuestMrFeatures): string {
     <activity
       android:name="net.holoscript.qrscanner.StarterSampleActivity"
       android:launchMode="singleTask"
+      android:screenOrientation="landscape"
       android:excludeFromRecents="true"
       android:configChanges="screenSize|screenLayout|orientation|keyboardHidden|keyboard|navigation|uiMode"
       android:exported="true"