More small fixes.

app.py

@@ -170,15 +170,12 @@ def compute_summary(entries: List[Dict[str, Any]]):
     return labels, props, counts, total
 
 def summary_plot(entries: List[Dict[str, Any]]):
-    labels, props, _, _ = compute_summary(entries)
-    fig, ax = plt.subplots()
-    ax.bar(labels, props)
-    ax.set_ylim(0, 1)
-    ax.set_ylabel("Proportion")
-    ax.set_title("Proportion of Selected Traits (under current Name filter)")
-    ax.tick_params(axis='x', rotation=20)
-    fig.tight_layout()
-    return fig
+    # Returns Markdown with proportions per trait under the current Name filter
+    labels, props, counts, total = compute_summary(entries)
+    lines = ["## 📊 Summary (Name filter)", f"**Total:** {total}"]
+    for label, p in zip(labels, props):
+        lines.append(f"- {label}: {p:.2f}")
+    return "\n".join(lines)
 
 # ---------- Rendering ----------