vertex ai minor bugs 7

app.py

@@ -1,6 +1,8 @@
 import gradio as gr
 from src.graph import build_graph
-from src.interview_logic import EXCEL_QUESTIONS # Import questions for state building
+from src.interview_logic import EXCEL_QUESTIONS
+from src.local_llm_handler import load_llm_pipeline
+from src.perplexity_detector import load_detector_model # Import questions for state building
 
 # Initialize the graph, which is stateless and operates on the state dict we provide.
 graph = build_graph()
@@ -128,4 +130,12 @@ with gr.Blocks(theme="soft", css=".gradio-container {max-width: 1200px; margin:
     )
 
 if __name__ == "__main__":
+    print("--- Pre-loading models on application startup... ---")
+    try:
+        load_llm_pipeline()
+        load_detector_model()
+        print("--- All models pre-loaded successfully. Starting Gradio server. ---")
+    except Exception as e:
+        print(f"--- FATAL ERROR: Could not pre-load models: {e} ---")
+
     demo.launch(debug=True, show_error=True)