Switch to Gradio 5.6.0 with messages format

- Use Gradio 5.6.0 which is compatible with newer huggingface_hub
- Use messages format for Chatbot (dict with role/content)
- Remove audioop-lts since Gradio 5.x doesn't need it

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

README.md

@@ -4,7 +4,7 @@ emoji: 🌱
 colorFrom: yellow
 colorTo: pink
 sdk: gradio
-sdk_version: 4.44.0
+sdk_version: 5.6.0
 app_file: app.py
 pinned: false
 ---

app.py

@@ -881,7 +881,8 @@ def create_app():
                     height=500,
                     show_label=True,
                     elem_id="chatbot",
-                    bubble_full_width=False
+                    bubble_full_width=False,
+                    type="messages"
                 )
 
                 # Needs selector (hidden until stage 5)
@@ -1003,7 +1004,10 @@ def create_app():
 
             if stage == 5 and not sel_needs:
                 bot_response = "Please take a moment to select your needs from the list above, then click 'Confirm My Needs' to continue."
-                history = history + [[message, bot_response]]
+                history = history + [
+                    {"role": "user", "content": message},
+                    {"role": "assistant", "content": bot_response}
+                ]
                 return (
                     history, "", stage, session, sel_needs,
                     f"{stage}/13: {STAGE_NAMES[stage]}",
@@ -1020,7 +1024,10 @@ def create_app():
             )
 
             if error:
-                history = history + [[message, error]]
+                history = history + [
+                    {"role": "user", "content": message},
+                    {"role": "assistant", "content": error}
+                ]
                 return (
                     history, "", stage, session, sel_needs,
                     f"{stage}/13: {STAGE_NAMES[stage]}",
@@ -1029,9 +1036,14 @@ def create_app():
                 )
 
             if message != "continue":
-                history = history + [[message, response]]
+                history = history + [
+                    {"role": "user", "content": message},
+                    {"role": "assistant", "content": response}
+                ]
             else:
-                history = history + [[None, response]]
+                history = history + [
+                    {"role": "assistant", "content": response}
+                ]
 
             show_needs = (next_stage == 5)
 
@@ -1077,7 +1089,7 @@ def create_app():
             if not all_selected:
                 return (
                     all_selected,
-                    history + [[None, "Please select at least one need before continuing."]],
+                    history + [{"role": "assistant", "content": "Please select at least one need before continuing."}],
                     stage,
                     session
                 )
@@ -1091,7 +1103,10 @@ def create_app():
                 True
             )
 
-            history = history + [[f"Selected needs: {', '.join(all_selected)}", response]]
+            history = history + [
+                {"role": "user", "content": f"Selected needs: {', '.join(all_selected)}"},
+                {"role": "assistant", "content": response}
+            ]
 
             return all_selected, history, next_stage, updated_session
 

requirements.txt

@@ -1,3 +1,2 @@
-audioop-lts
-gradio==4.44.0
+gradio==5.6.0
 anthropic>=0.18.0