changes made to app.py

app.py

@@ -141,7 +141,7 @@ def start_interview(name, domain, company, level):
     state = reset_state(name, domain, company, level)
     prompt = f"Domain: {domain}. Candidate experience level: {level}. Generate the first question:"
     question = generate_question(prompt, domain, state)
-    state["conversation"].append(("Interviewer", question))
+    state["conversation"].append({"role": "Interviewer", "content": question})
     return state["conversation"], state
 
 def submit_response(response, state):
@@ -149,14 +149,14 @@ def submit_response(response, state):
         return state["conversation"], state
 
     if not response.strip():
-        state["conversation"].append(("System", "⚠️ Please answer the question before proceeding."))
+        state["conversation"].append({"role": "System", "content": "⚠️ Please answer the question before proceeding."})
         return state["conversation"], state
 
     if response.strip().lower() == "exit":
         return end_interview(state)
 
-    state["conversation"].append(("Candidate", response))
-    last_q = [msg for role, msg in reversed(state["conversation"]) if role == "Interviewer"][0]
+    state["conversation"].append({"role": "Candidate", "content": response})
+    last_q = next(msg["content"] for msg in reversed(state["conversation"]) if msg["role"] == "Interviewer")
     rating, suggestion = evaluate_response(response, last_q)
 
     state["evaluations"].append({
@@ -166,10 +166,10 @@ def submit_response(response, state):
         "suggestion": suggestion
     })
 
-    state["conversation"].append(("Evaluator", f"Rating: {rating}\nSuggestion: {suggestion}"))
+    state["conversation"].append({"role": "Evaluator", "content": f"Rating: {rating}\nSuggestion: {suggestion}"})
     prompt = f"Domain: {state['domain']}. Candidate's last response: {response}. Generate a follow-up question:"
     follow_up = generate_question(prompt, state["domain"], state)
-    state["conversation"].append(("Interviewer", follow_up))
+    state["conversation"].append({"role": "Interviewer", "content": follow_up})
     return state["conversation"], state
 
 def end_interview(state):
@@ -195,7 +195,7 @@ def end_interview(state):
     with open(filename, "w") as f:
         json.dump(summary, f, indent=4)
 
-    state["conversation"].append(("System", f"✅ Interview ended.\nFinal Score: {summary['score']} ({summary['category']})"))
+    state["conversation"].append({"role": "System", "content": f"✅ Interview ended. \nFinal Score: {summary['score']} ({summary['category']})"})
     return state["conversation"], state
 
 def clear_state():