Akcije posle instalacije i onboarding

"post_install_action": {
  "type": "external",
  "url": "https://app.tajo.io/stripe/onboarding"
}

https://app.tajo.io/stripe/onboarding
  ?account_id=acct_xyz
  &install_token=install_tok_abc

// Backend endpoint
app.post("/stripe/complete-install", async (req, res) => {
  const { install_token } = req.body;

  // Zamena instalacionog tokena za trajni pristup
  const connection = await stripe.apps.installations.create({
    install_token,
  });

  // Sačuvajte account_id i pristupne kredencijale
  await db.saveStripeConnection({
    accountId: connection.account,
    refreshToken: connection.refresh_token,
  });

  res.redirect("/dashboard?connected=stripe");
});

// Komponenta za onboarding
function OnboardingFlow({ stripeAccountId }) {
  const [step, setStep] = useState("connect-brevo");

  return (
    <div>
      {step === "connect-brevo" && (
        <BrevoApiKeyForm
          onSuccess={(apiKey) => {
            saveBrevoCredentials(stripeAccountId, apiKey);
            setStep("configure-sync");
          }}
        />
      )}
      {step === "configure-sync" && (
        <SyncConfigForm
          onSuccess={() => setStep("complete")}
        />
      )}
      {step === "complete" && (
        <SuccessScreen />
      )}
    </div>
  );
}