Add admin vision lab and LLM vision verification

server/worker.ts

@@ -25,6 +25,7 @@ async function workOnce() {
   } catch (error) {
     const message = error instanceof Error ? error.message : "Unknown background task error";
     await db.failBackgroundTask(task.id, message);
+    await db.failVisionTestRun(task.id, message);
     console.error(`[worker] task ${task.id} failed:`, error);
   }