From 1f6668227c2bbaa5c81457a7d4d415bdaa70278c Mon Sep 17 00:00:00 2001
From: Sylvester Kaczmarek
 <16242628+sylvesterkaczmarek@users.noreply.github.com>
Date: Fri, 21 Aug 2026 16:05:01 +0100
Subject: [PATCH] Validate realtime plot summary shape

---
 examples/evals/realtime_evals/plot_eval_results.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/examples/evals/realtime_evals/plot_eval_results.py b/examples/evals/realtime_evals/plot_eval_results.py
index 73c096fc81..13072521c9 100644
--- a/examples/evals/realtime_evals/plot_eval_results.py
+++ b/examples/evals/realtime_evals/plot_eval_results.py
@@ -45,6 +45,8 @@ def main() -> None:
 
     results = pd.read_csv(results_csv_path)
     summary = json.loads(summary_json_path.read_text(encoding="utf-8"))
+    if not isinstance(summary, dict):
+        raise ValueError(f"{summary_json_path} must contain a JSON object.")
     harness_label = args.harness_label or infer_harness_label(run_dir)
     run_label = args.run_label or run_dir.name