Update app.py

app.py

@@ -187,7 +187,7 @@ def predict_ppo(feat_row: pd.Series):
         probs = dist.distribution.probs.numpy()[0]
     action = int(np.argmax(probs))
     confidence = float(probs[action]) * 100.0
-    return ACTION_LABELS[action], confidence
+    return ACTION_LABELS[action], confidence, probs
 
 
 # ---------------------------------------------------------------------------
@@ -330,8 +330,11 @@ def run_signal(symbol_key: str):
 
     if cfg["engine"] == "ppo":
         load_model()
-        action, confidence = predict_ppo(last_row)
-        engine_label = "PPO model (15m)"
+        action, confidence, probs = predict_ppo(last_row)
+        engine_label = (
+            f"PPO model (15m) · Hold {probs[0]*100:.0f}% · "
+            f"Buy {probs[1]*100:.0f}% · Sell {probs[2]*100:.0f}%"
+        )
     else:
         action, confidence = predict_rules(last_row)
         engine_label = "Rule-based technical signal (15m) — not ML"
@@ -424,4 +427,4 @@ with gr.Blocks(css=CUSTOM_CSS, title="Signal Dashboard (Educational)") as demo:
     demo.load(fn=run_signal, inputs=[symbol_dd], outputs=[signal_card, chart])
 
 if __name__ == "__main__":
-    demo.launch()
+    demo.launch()