force full rebuilding & disabling 'start' button when it's processing audio

requirements.txt

@@ -1,3 +1,3 @@
 streamlit
-git+https://github.com/francozanardi/pycaps.git@main
+git+https://github.com/francozanardi/pycaps.git
 openai

src/ui/step1_upload.py

@@ -19,6 +19,9 @@ def render_step1():
         if st.button("Refresh Status"):
             st.rerun()
         return
+    
+    if 'audio_being_analyzed' not in st.session_state:
+        st.session_state['audio_being_analyzed'] = False
 
     uploaded_file = st.file_uploader(
         f"Select a video file (max {MAX_VIDEO_SIZE // (1024*1024)}MB)",
@@ -33,13 +36,17 @@ def render_step1():
         st.error(f"File is too large ({uploaded_file.size / (1024*1024):.1f}MB). Max is {MAX_VIDEO_SIZE // (1024*1024)}MB.")
         return
 
-    if st.button("Start", type="primary"):
+    if st.button("Start", type="primary", disabled=st.session_state.audio_being_analyzed):
         lock_file = acquire_lock_slot()
         if not lock_file:
             st.error("Sorry, all slots were taken just now. Please try again.")
             st.rerun()
         
         st.session_state.lock_file_path = lock_file
+        st.session_state.audio_being_analyzed = True
+        st.rerun()
+        
+    if st.session_state.audio_being_analyzed:
         try:
             with tempfile.TemporaryDirectory() as temp_dir:
                 video_path = Path(temp_dir) / uploaded_file.name
@@ -57,6 +64,7 @@ def render_step1():
                     shutil.copy(video_path, persisted_path)
                     st.session_state.video_path = persisted_path
                     
+                    st.session_state.audio_being_analyzed = False
                     go_to_step(2)
                     st.rerun()
         except Exception as e: