update

backend/pipeline.py

@@ -196,10 +196,11 @@ async def _race(topic: str, label: str, slots: list[dict], quorum: int, timeout:
 
     def spawn(i: int) -> None:
         slot = slots[i]
+        lbl = slot.get("label") or (label if len(slots) == 1 else f"{label} {i + 1}")
         task = asyncio.create_task(run_agent(
             slot["key"], slot["prompt"], timeout,
             provider=provider, role=slot["role"], capabilities=slot["capabilities"],
-            scope=topic, on_line=slot.get("on_line"),
+            scope=topic, on_line=slot.get("on_line"), label=lbl,
         ))
         tasks[task] = i