Display spinner while waiting for OpenAI response

[jonulak]

Add spinner element while awaiting API response

Type: Feature
Assigned To: @jonulak
Priority: Low
Status: To Do

Description

Add an st.spinner element to the chat display while waiting for a response from the OpenAI API

Current State

• While waiting for a response from the OpenAI API the app displays an empty chat bubble
• It's not clear to the user what the app is doing or if it has stopped working

Files Affected

• app.py

Acceptance Criteria

• Implement st.spinner element with a label
• Spinner should disappear once the response is displayed
• All existing tests pass