Update app.py

app.py

@@ -16,7 +16,7 @@ def init_exam(api_key: str):
     if not api_key.strip():
         return [{
             "role": "assistant",
-            "content": "⚠️ Please enter your Groq API key first."
+            "content": "Please enter your Groq API key first."
         }], gr.update(interactive=False)
 
     try:
@@ -25,7 +25,7 @@ def init_exam(api_key: str):
         return [{"role": "assistant", "content": opening}], gr.update(interactive=True)
     except Exception as e:
         _agent = None
-        return [{"role": "assistant", "content": f"❌ Error initialising agent: {e}"}], gr.update(interactive=False)
+        return [{"role": "assistant", "content": f"Error initialising agent: {e}"}], gr.update(interactive=False)
 
 
 def user_message(message: str, history: list):
@@ -38,14 +38,14 @@ def user_message(message: str, history: list):
     if _agent is None:
         return history + [
             {"role": "user", "content": message},
-            {"role": "assistant", "content": "⚠️ Please click **Start Exam** first."},
+            {"role": "assistant", "content": "Please click **Start Exam** first."},
         ], ""
 
     # Block messages after exam is finished
     if _agent.exam_finished:
         return history + [
             {"role": "user", "content": message},
-            {"role": "assistant", "content": "✅ The exam is already finished. Click **▶ Start Exam** to start a new session."},
+            {"role": "assistant", "content": "The exam is already finished. Click **▶ Start Exam** to start a new session."},
         ], ""
 
     history = history + [{"role": "user", "content": message}]
@@ -53,7 +53,7 @@ def user_message(message: str, history: list):
     try:
         reply = _agent.chat(message)
     except Exception as e:
-        reply = f"❌ Agent error: {e}"
+        reply = f"Agent error: {e}"
 
     history = history + [{"role": "assistant", "content": reply}]
     return history, ""
@@ -138,7 +138,6 @@ with gr.Blocks(title="AI Examiner Agent") as demo:
                 <br><br>
                 <strong>Demo students</strong><br>
                 test@test.com / test<br>
-                denys.kovalenko@student.lpnu.ua
             </div>
             """)