Sase Dev 6a0b36a7a0 feat: replace Iyzico with Stripe + single-page subscription stepper ...

Subscription/checkout flow rewritten end-to-end. The plan-card "Devam Et"
button silently wiped brand selection on re-click and the actual proceed
button lived offscreen — fixed by collapsing plan/brands/payment/confirm
into a single vertical stepper with one sticky CTA.

Backend
- Stripe Hosted Checkout (`/payments/stripe/checkout`) + webhook
  (`/payments/stripe/webhook`, raw body) replacing the stubbed Iyzico
  module. Webhook activates subscription on `checkout.session.completed`,
  expires the pending subscription on cancel/expire so users can retry.
- New `bank_accounts` table — multiple rows, single `is_active` enforced
  by a partial unique index. Admin CRUD under `/admin/bank-accounts`
  with multipart QR upload to MinIO; atomic `/activate` swap in a
  transaction; `GET /payments/bank-info` returns the active row.
- `payments` gains `stripe_session_id`, `stripe_payment_intent_id`,
  `bank_account_id`. EFT flow now reads the active bank account at
  payment time and stores the FK for reconciliation.
- Env: `IYZICO_*` removed, `STRIPE_*` added (validated by zod schema).
- `main.ts` `rawBody: true` for Stripe signature verification.
- Drizzle 0003 snapshot id collision fixed (VIEW-only migration shared
  prevId with 0002, blocking new generates).

Frontend
- `/dashboard/subscription` rewritten as a 4-step vertical stepper with
  step-aware sticky bottom CTA; plan re-selection is idempotent and
  preserves brand state. `/dashboard/subscription/pay` deleted; Stripe
  returns to the same page via `?stripe=success|cancelled` and the UI
  polls `/subscriptions/me` until the webhook activates the row.
- New components: `bank-transfer-card.tsx` (DB-driven IBAN + Kolay Adres
  + uploaded QR image + receipt upload) and `stripe-checkout-button.tsx`.
- Active subscription view, trial onboarding/urgency banner, downgrade
  and cancel dialogs preserved.
- TR/EN i18n: new `subscription.steps.*`, `subscription.stickyCta.*`,
  `payment.stripe.*`, `payment.bank.*`; provider label updated.

PostHog: `method: "iyzico"` → `"stripe"`; new events `iban_copied`,
`kolay_adres_copied`, `qr_viewed`, `eft_initiated`,
`stripe_redirect_returned`.

Deploy runs `db:migrate` which applies 0004_hot_quicksilver
(additive: new table + nullable columns; safe to apply on prod).
Operator must add `STRIPE_SECRET_KEY`, `STRIPE_PUBLISHABLE_KEY`,
`STRIPE_WEBHOOK_SECRET` to env and create the first
`bank_accounts` row via the admin endpoint before the bank tab works.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-13 22:42:28 +00:00

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