QA: State Streaming — LangGraph (FastAPI)

Prerequisites

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

Test Steps

1. Basic Functionality

• Navigate to the shared-state-streaming demo page
• Verify the chat interface loads with title "State Streaming"
• Verify the chat input placeholder "Type a message..." is visible
• Send a basic message (e.g. "Hello! What can you do?")
• Verify the agent responds

2. Feature-Specific Checks

Suggestions

• Verify "Get started" suggestion button is visible

Note: Stub Demo

Status: Stub — This demo is currently a stub (TODO: implement)

• Verify the basic CopilotChat loads and accepts messages
• Verify the agent responds to messages
• No custom UI components are expected beyond the chat interface

3. Error Handling

• Send an empty message (should be handled gracefully)
• Verify no console errors during normal usage

Expected Results

• Chat loads within 3 seconds
• Agent responds within 10 seconds
• No UI errors or broken layouts