Update app.py

app.py

@@ -121,7 +121,8 @@ def generate_response(session_id, user_text, enhancer_enabled=False, enhancer_to
         SESSION_HISTORY[session_id] = []
 
     SESSION_HISTORY[session_id].append({"role": "user", "content": user_text})
-    messages = [{"role": "system", "content": "You are a helpful AI assistant."}] + SESSION_HISTORY[session_id]
+    messages = [
+    {"role": "system", "content": "You are a helpful AI assistant. ALWAYS respond in English only, regardless of the user's language or the input language."}] + SESSION_HISTORY[session_id]
 
     if enhancer_enabled:
         messages.append({"role": "user", "content": f"Enhance response. Tone: {enhancer_tone}. Question: {user_text}"})
@@ -154,10 +155,16 @@ def handle_pdf_question(question, session_id):
     if session_id not in PDF_CONTENT:
         return "Document not found. Upload first."
     chunk = select_relevant_chunk(question, PDF_CONTENT[session_id], PDF_EMBEDS[session_id])
-    messages = [
-        {"role": "system", "content": "You are a helpful assistant summarizing PDF content."},
-        {"role": "user", "content": f"PDF chunk:\n{chunk}\n\nQuestion: {question}"}
-    ]
+   messages = [
+    {
+        "role": "system",
+        "content": "You are a helpful assistant summarizing PDF content. ALWAYS respond in English only, regardless of the user's language."
+    },
+    {
+        "role": "user",
+        "content": f"PDF chunk:\n{chunk}\n\nQuestion: {question}"
+    }
+]
     assistant_text = groq_chat_completion(messages)
     # Add snippet highlighting for wow factor
     assistant_text = f"**Snippet from PDF:**\n{chunk[:200]}...\n\n**Answer:**\n{assistant_text}"
@@ -203,9 +210,15 @@ def handle_image_question(question, session_id):
         return "Image not found. Upload first."
     chunk = select_relevant_chunk(question, IMAGE_TEXT[session_id], IMAGE_EMBEDS[session_id])
     messages = [
-        {"role": "system", "content": "You are a helpful assistant summarizing image text."},
-        {"role": "user", "content": f"Image chunk:\n{chunk}\n\nQuestion: {question}"}
-    ]
+    {
+        "role": "system",
+        "content": "You are a helpful assistant summarizing image text. ALWAYS respond in English only, regardless of the user's language."
+    },
+    {
+        "role": "user",
+        "content": f"Image chunk:\n{chunk}\n\nQuestion: {question}"
+    }
+]
     assistant_text = groq_chat_completion(messages)
     assistant_text = f"**Snippet from Image:**\n{chunk[:200]}...\n\n**Answer:**\n{assistant_text}"
     if session_id not in SESSION_HISTORY: