Billing & subscription management

Trial

Po signup-e dostaneš 14-day trial s 500 AI credits + 3 seats. Žiadna kreditka.

Upgrade

INLINECODE_0 → vyber plán → Stripe Checkout. Po platbe webhook updatne tenant_subscriptions.

3 plany:

• Starter €29 — 3 seats, 1 000 AI, 1 mailbox
• Growth €79 — 10 seats, 5 000 AI, 5 mailboxov (najpopulárnejší)
• Pro €199 — 25 seats, 20 000 AI, neobmedzené

Customer portal

Klikni Customer portal v billing page — Stripe self-service:

• Zmeniť kartu
• Stiahnuť faktúry (PDF)
• Zmeniť billing adresu
• Cancel subscription (aktívne do konca obdobia)

AI credit tracking

V tenant_subscriptions:

• ai_credits_monthly — limit
• ai_credits_used — counter (atomic increment)
• ai_credits_reset_at — reset trigger (cez invoice.paid webhook)

Pri 80% využití → notification (medium severity).
Pri 100% → AI sekcie vrátia 429 s upgrade CTA + notification (high).

Payment failed

Stripe invoice.payment_failed webhook → notification fanout admin role s high severity + audit log. Update kartu cez customer portal.

Cancellation

V customer portal Cancel subscription — cancel_at_period_end=true. Workspace funguje do konca obdobia, potom status=canceled.

EU VAT

Automatic Tax v Stripe — DPH sa pridá na základe billing adresy. Pre slovenské firmy 20%, pre EÚ B2B reverse-charge cez VIES.