fix gemini chunk extraction

app.py

@@ -208,7 +208,7 @@ def main():
         try:
             # Different spinner messages for different versions
             if st.session_state.chatbot_version == "beta":
-                spinner_msg = "🔄 Initializing Gemini File Search..."
+                spinner_msg = "🔄 Initializing Gemini FSA"
             else:
                 spinner_msg = "🔄 Loading AI models and connecting to database..."
             
@@ -257,7 +257,7 @@ def main():
             index=0 if st.session_state.chatbot_version == "v1" else 1,
             horizontal=True,
             key="version_selector",
-            help="Select v1 (default RAG system) or beta (Gemini File Search)"
+            help="Select v1 (default RAG system) or beta (Gemini FSA)"
         )
         
         # Update version if changed
@@ -280,7 +280,7 @@ def main():
     
     # Show version info
     if st.session_state.chatbot_version == "beta":
-        st.info("🔬 **Beta Mode**: Using Google Gemini File Search API")
+        st.info("🔬 **Beta Mode**: Using Google Gemini FSA")
     
     # Session info
     duration = int(time.time() - st.session_state.session_start_time)