QA: Chat Slots — Mastra

Prerequisites

• Demo is deployed and accessible
• Agent backend is healthy

Test Steps

• Navigate to /demos/chat-slots
• Verify the custom welcome screen renders (data-testid="custom-welcome-screen")
• Verify the custom disclaimer is visible below the input (data-testid="custom-disclaimer")
• Send any message
• Verify assistant response is wrapped in data-testid="custom-assistant-message"

Expected Results

• Welcome screen has a gradient card badge "Custom Slot"
• Disclaimer shows with "slot" label
• Assistant message has an indigo tint + "slot" badge corner