QA: Authentication — PydanticAI

Prerequisites

• Demo deployed and accessible at /demos/auth
• Agent backend healthy (check /api/health)
• OPENAI_API_KEY set

Test Steps

1. Initial authenticated state

• Navigate to /demos/auth
• Banner visible with green/success appearance (data-testid="auth-banner", data-authenticated="true")
• Status text reads "✓ Signed in as demo user"
• "Sign out" button visible and enabled
• "Sign in" button is NOT present
• <CopilotChat /> is mounted below the banner
• No auth-demo-error surface visible
• No console errors on page load (the /info handshake succeeds)

2. Authenticated send

• Type "Hello" and send
• Within 30 seconds, an assistant response renders
• No auth-demo-error surface appears

3. Sign out → 401

• Click "Sign out"
• Within 1 second, banner flips to amber/warning (data-authenticated="false")
• Status text reads "⚠ Signed out — the agent will reject your messages until you sign in."
• "Sign in" button visible; "Sign out" button gone
• Type "Hello again" and send
• Within 15 seconds, auth-demo-error surface appears with text containing "401" and/or "Unauthorized"
• Banner still visible — the page must NOT white-screen

4. Sign in → recovery

• Click "Sign in"
• Banner flips back to green
• auth-demo-error surface clears
• Send "Hello" → assistant response renders within 30 seconds

5. Refresh resets state

• Hard-reload the page
• Banner is green on first render (default state is authenticated)

PydanticAI-specific note

The auth gate is framework-agnostic — createCopilotRuntimeHandler from @copilotkit/runtime/v2 supports the onRequest hook regardless of the underlying agent framework. The gate throws a 401 Response before the request reaches the PydanticAI backend.

Expected Results

• Page loads authenticated by default — no 401 crash on initial /info fetch.
• Post-sign-out sends produce a visible 401 via the page-level error surface.
• Page never white-screens after sign out; banner and composer stay mounted (guarded by ChatErrorBoundary).
• Authenticated sends produce responses within 30s.