add 30-minute financial data cache_2

app.py

@@ -166,7 +166,7 @@ def chat_stream(
     try:
         access_token = request.access_token if request.access_token else SANDBOX_ACCESS_TOKEN
         print(f"Using access token: {access_token[:20]}...", flush=True)
-        financial_context = get_financial_snapshot(access_token)
+        financial_context = get_cached_financial_context(access_token, user["sub"])
         print(f"Financial context preview: {financial_context[:150]}", flush=True)
         
         if financial_context == "BANK_REAUTH_REQUIRED":