Setup HF Space with Gradio app

.gradio/certificate.pem

@@ -0,0 +1,31 @@
+-----BEGIN CERTIFICATE-----
+MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
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+-----END CERTIFICATE-----

app.py

@@ -385,7 +385,12 @@ def update_leaderboard():
                 "Win Rate": f"{win_rate:.1f}%",
                 "ELO Rating": elo_ratings[model]
             })
-        leaderboard_df = pd.DataFrame(leaderboard_data)
+        # If no models have played yet, return an empty dataframe with the correct columns
+        if not leaderboard_data:
+            cols = ["Model", "Wins", "Losses", "Draws", "Win Rate", "ELO Rating"]
+            leaderboard_df = pd.DataFrame(columns=cols)
+        else:
+            leaderboard_df = pd.DataFrame(leaderboard_data)
         leaderboard_df.sort_values("ELO Rating", ascending=False, inplace=True)
         leaderboard_df.reset_index(drop=True, inplace=True)
         leaderboard_df.to_csv("battle_leaderboard.csv", index=False)
@@ -396,20 +401,17 @@ def update_leaderboard():
         return leaderboard_df
     except Exception as e:
         print(f"Leaderboard update failed: {e}")
-        return get_leaderboard()
+        # On error return an empty leaderboard (no example/demo rows)
+        cols = ["Model", "Wins", "Losses", "Draws", "Win Rate", "ELO Rating"]
+        return pd.DataFrame(columns=cols)
 
 def get_leaderboard():
     try:
         return pd.read_csv("battle_leaderboard.csv")
     except:
-        return pd.DataFrame({
-            "Model": ["Example Model 1", "Example Model 2"],
-            "Wins": [5, 3],
-            "Losses": [1, 2],
-            "Draws": [0, 1],
-            "Win Rate": ["83.3%", "50.0%"],
-            "ELO Rating": [1150, 1050]
-        })
+        # If leaderboard file doesn't exist yet, return an empty dataframe with the expected columns
+        cols = ["Model", "Wins", "Losses", "Draws", "Win Rate", "ELO Rating"]
+        return pd.DataFrame(columns=cols)
 
 # --- Rendering ---
 def create_robot_mesh(x, y, color, name, facing):

battle_leaderboard.csv

@@ -0,0 +1 @@
+Model,Wins,Losses,Draws,Win Rate,ELO Rating

battle_results.csv

@@ -0,0 +1 @@
+Timestamp,Model1,Model2,Result,Termination,Rounds