fix: use consistent warning message for judge tracking failures

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: jsonbailey

packages/sdk/server-ai/src/ldai/managed_model.py

@@ -72,7 +72,7 @@ async def _run_and_track(eval_task: asyncio.Task) -> List[JudgeResult]:
                     try:
                         tracker.track_judge_result(r)
                     except Exception as exc:
-                        log.warning("Failed to track judge result: %s", exc)
+                        log.warning("Judge evaluation failed: %s", exc)
                 else:
                     log.warning("Judge evaluation failed: %s", r.error_message)
             return results