QA: Chat Slots — Claude Agent SDK (Python)

Prerequisites

• Demo is deployed and accessible
• Agent backend is healthy (check /api/health)

Test Steps

1. Basic Functionality

• Navigate to /demos/chat-slots
• Verify the custom welcome screen (data-testid="custom-welcome-screen") is visible
• Verify the welcome card shows "Welcome to the Slots demo"
• Verify the suggestion pills ("Write a sonnet", "Tell me a joke") are visible

2. Feature-Specific Checks

Welcome Slot

• Confirm the gradient welcome card wraps the default input + suggestions
• Verify the "Custom Slot" pill is visible above the headline

Disclaimer Slot

• After sending a message, verify the custom disclaimer (data-testid="custom-disclaimer") is visible
• Verify the disclaimer text contains "Custom disclaimer injected via"

Assistant Message Slot

• Send a basic message
• Wait for the agent response
• Verify the assistant message is wrapped by the custom slot (data-testid="custom-assistant-message")
• Verify the "slot" badge is visible on the assistant message

3. Error Handling

• Verify no console errors during normal usage

Expected Results

• Page loads within 3 seconds
• All three slot overrides (welcome, disclaimer, assistantMessage) render as custom components
• Agent responds within 10 seconds