Make AgeBot ChatInterface compatible with Gradio 5 history format

Fix python_version quoting and bump Gradio SDK

Fix Space runtime: update SDK/deps and harden startup

Update app.py

Update app.py

Update app.py

Update requirements.txt

Update app.py

Update app.py

Update app.py

Update app.py

Create config.json

initial commit

Duplicate from gradio-templates/chatbot