- Stripe integration: add StripeService with checkout sessions, customer
portal, and webhook handling for subscription lifecycle events.
- Free trials: auto-start configurable trial on first subscription check,
with admin-controllable duration and enable/disable toggle.
- Cross-platform guard: prevent duplicate subscriptions across iOS, Android,
and Stripe by checking existing platform before allowing purchase.
- Subscription model: add Stripe fields (customer_id, subscription_id,
price_id), trial fields (trial_start, trial_end, trial_used), and
SubscriptionSource/IsTrialActive helpers.
- API: add trial and source fields to status response, update OpenAPI spec.
- Clean up stale migration and audit docs.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add Apple App Store Server API integration for receipt/transaction validation
- Add Google Play Developer API integration for purchase token validation
- Add webhook endpoints for server-to-server subscription notifications
- POST /api/subscription/webhook/apple/ (App Store Server Notifications v2)
- POST /api/subscription/webhook/google/ (Real-time Developer Notifications)
- Support both StoreKit 1 (receipt_data) and StoreKit 2 (transaction_id)
- Add repository methods to find users by transaction ID or purchase token
- Add configuration for IAP credentials (APPLE_IAP_*, GOOGLE_IAP_*)
- Add setup documentation for configuring webhooks
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>