fix: harden studio timeline editing and local renders (#463)

* fix: harden studio timeline editing and local renders

* test: cover studio local render fallback

* fix(studio): scale composition hover previews to stage size

* test: normalize studio producer fallback paths

* fix(studio): preserve move surface and retry render fallback

packages/core/src/runtime/init.ts

@@ -374,6 +374,7 @@ export function initSandboxRuntimeModular(): void {
         string,
         RuntimeTimelineLike | undefined
       >,
+      includeAuthoredTimingAttrs: true,
     });
     return resolver.resolveDurationForElement(element);
   };