Updated to Using Gemini2.5-Flash

app.py

@@ -177,7 +177,7 @@ print("Loading RAG system (models, encoders, and retrievers)...")
 rag_system = RAGSystem(cfg)
 print("Initializing Gemini model...")
 api_key = os.environ.get("GEMINI_API_KEY")
-vlm = VLM_GenAI(api_key, model_name="models/gemini-1.5-flash")
+vlm = VLM_GenAI(api_key, model_name="models/gemini-2.5-flash")
 print("System ready.")
 
 # --- 2. DEFINE THE FUNCTION TO HANDLE USER INPUT ---