patch: fix to participant mgmt again

app.py

@@ -13,15 +13,17 @@ def add_participant(participant):
     
     clean_name = participant.strip()
     participants_set.add(clean_name)
-    participants_list = list(participants_set)
-    return participants_list, participants_list, participants_list
+    participants_list = sorted(list(participants_set))  # Ensure alphabetical order
+    participants_text = "\n".join(participants_list)
+    return participants_text
 
 def remove_participant(participant):
     global participants_set
     if participant in participants_set:
         participants_set.remove(participant)
-    participants_list = list(participants_set)
-    return participants_list, participants_list, participants_list
+    participants_list = sorted(list(participants_set))  # Ensure alphabetical order
+    participants_text = "\n".join(participants_list)
+    return participants_text
 
 # Add expenses
 def add_expense(description, amount, payer, participants_list):
@@ -128,15 +130,16 @@ with gr.Blocks(theme='soft') as app:
     # Participant Management
     with gr.Row():
         with gr.Column():
-            participant_input = gr.Textbox(label="Participant Name")
+            participant_input = gr.Textbox(label="Participant Name", placeholder="Enter a participant name")
             with gr.Row():
                 add_participant_btn = gr.Button("Add Participant")
                 remove_participant_btn = gr.Button("Remove Participant")
-            
-            participants_list = gr.Dropdown(
+        
+            participants_display = gr.Textbox(
                 label="Current Participants", 
-                multiselect=True, 
-                interactive=True
+                lines=10, 
+                interactive=False, 
+                placeholder="Participants will appear here..."
             )
     
     # Expense Adding
@@ -169,13 +172,13 @@ with gr.Blocks(theme='soft') as app:
     add_participant_btn.click(
         add_participant, 
         inputs=participant_input, 
-        outputs=[participants_list, payer, participants]
+        outputs=participants_display
     )
-    
+
     remove_participant_btn.click(
         remove_participant, 
         inputs=participant_input, 
-        outputs=[participants_list, payer, participants]
+        outputs=participants_display
     )
     
     add_btn.click(