Add Download Multiple file .zip

app.py

@@ -25,6 +25,7 @@ from state import (
     get_display_name, apply_speaker_renames_to_df, convert_df,
     updateMultiSelect, store_speaker_clips, register_file, analyze,
     load_demo_single, load_demo_multi, run_analysis_loop,
+    build_all_csv_zip,
 )
 
 # ---------------------------------------------------------------------------
@@ -333,6 +334,17 @@ try:
             key="download-csv", on_click="ignore",
         )
 
+        analyzed_count = sum(
+            1 for r in st.session_state.results.values() if len(r) == 2
+        )
+        if analyzed_count > 1:
+            zip_bytes = build_all_csv_zip()
+            st.download_button(
+                "Download all analyzed files (.zip)", zip_bytes,
+                "sonogram-analysis-all.zip", "application/zip",
+                key="download-all-zip", on_click="ignore",
+            )
+
     # -----------------------------------------------------------------------
     # Tab: Rename Speaker
     # -----------------------------------------------------------------------