Update streamlit_app.py

streamlit_app.py

@@ -274,16 +274,22 @@ def render_daily_summary_source_basis(
     generated_at = summary.get("generated_at")
     top_story_count = len(summary.get("top_stories", []))
 
+    formatted_generated_at = None
+
     if generated_at:
+        parsed = pd.to_datetime(generated_at, errors="coerce", utc=True)
+
+        if pd.notnull(parsed):
+            formatted_generated_at = parsed.strftime("%Y-%m-%d %H:%M UTC")
+
+    if formatted_generated_at:
         st.caption(
-            f"Summary is based on the latest relevant classified articles available "
-            f"when it was generated at {generated_at}. "
-            f"{top_story_count} top stories are shown in the summary."
+            f"Summary generated {formatted_generated_at} · "
+            f"{top_story_count} top stories included"
         )
     else:
         st.caption(
-            "Summary is based on the latest relevant classified articles available "
-            f"when it was generated. {top_story_count} top stories are shown in the summary."
+            f"{top_story_count} top stories included in this summary"
         )
 
     return summary_df