Update app.py

app.py

@@ -1,14 +1,14 @@
 import gradio as gr
 
-# --- Load your manual file ---
-with open("sierra_manual.txt", "r", encoding="utf-8") as f:
-    manual_text = f.read().lower()
-
-messages = []
-
-def chatbot(user_input):
-    global messages
-    messages.append(("user", user_input))
+# --- Load multiple manuals ---
+manuals = {}
+
+for filename in ["sierra.txt", "sierra engine.txt"]:
+    try:
+        with open(filename, "r", encoding="utf-8") as f:
+            manuals[filename] = f.read().lower()
+    except FileNotFoundError:
+        manuals[filename] = ""
 
     # Search the manual for any words the user typed
     found = []