Refactors `runEvalInBackground` and `runWorkInBackground` to execute AI tasks asynchronously. Updates `pollJob` in `ui.ts` to handle 'evaluating', 'executing', and 'failed' states, and corrects `data.status` to `data.state` and `data.rejectionReason` to `data.reason`. Replit-Commit-Author: Agent Replit-Commit-Session-Id: 418bf6f8-212b-4bb0-a7a5-8231a061da4e Replit-Commit-Checkpoint-Type: full_checkpoint Replit-Commit-Event-Id: ecf857ee-fa4d-47db-b4c1-b374ffb3815d Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/9f85e954-647c-46a5-90a7-396e495a805a/418bf6f8-212b-4bb0-a7a5-8231a061da4e/Q83Uqvu Replit-Helium-Checkpoint-Created: true