fix issue: player plays previous file after next audio is loaded

src/streamlit_app.py

@@ -22,6 +22,8 @@ if "utterances" not in st.session_state:
     st.session_state.utterances = []
 if "audio_base64" not in st.session_state:
     st.session_state.audio_base64 = None
+if "prev_audio_path" not in st.session_state:
+    st.session_state.prev_audio_path = None
 
 st.set_page_config(page_title="🎙️ Moonshine ASR + LLM", layout="wide")
 st.title("🎙️ Speech Summarization with Moonshine ASR & LLM")
@@ -69,6 +71,7 @@ with tab2:
     if st.button("Fetch from YouTube"):
         audio_path, status = fetch_audio(youtube_url, st.session_state.status)
         st.session_state.audio_path = audio_path
+        st.session_state.audio_base64 = None  # ✅ Clear base64
         st.session_state.status = status
 
     uploaded_file = st.file_uploader("Upload Audio", type=["mp3", "wav"])
@@ -78,8 +81,14 @@ with tab2:
         with open(temp_audio_path, "wb") as f:
             f.write(uploaded_file.getbuffer())
         st.session_state.audio_path = temp_audio_path
+        st.session_state.audio_base64 = None  # ✅ Clear base64
 
 with tab3:
+
+    if st.session_state.audio_path and st.session_state.get("prev_audio_path") != st.session_state.audio_path:
+        st.session_state.audio_base64 = None
+        st.session_state.prev_audio_path = st.session_state.audio_path
+
     st.subheader("🎤 Transcription & Summary")
     st.markdown("---")