A voice agent on your site.
One tag, no backend.

widget.addEventListener('agent-command', (event) => {
  const command = event.detail;

  if (command.type === 'navigate') {
    const path = command.payload?.path;
    // Only same-site paths. Never follow an absolute URL.
    if (!path?.startsWith('/') || path.includes('://')) return;
    event.preventDefault();          // "handled" — the ACK protocol
    router.push(path);
  }

  if (command.type === 'cart_state') {
    event.preventDefault();
    command.respond({                // answer travels back to the agent
      items: cart.map(i => ({ name: i.name, price: i.price })),
      total: cart.total,
      currency: 'UAH',
    });
  }
});

async def verified_user_id(ctx) -> str:
    token = ctx.request.headers.get("x-hanc-support-token", "").strip()
    if not token:
        raise ValueError("No signed-in user on this call.")

    # Ask the issuer who this is. Never read the id out of the token.
    resp = await http.get(f"{AUTH_URL}/auth/v1/user",
                          headers={"Authorization": f"Bearer {token}"})
    if resp.status_code != 200:
        raise ValueError("Token invalid or expired.")

    return resp.json()["id"]        # ← the trusted identity