- Fix orphaned subscriptions/GuestPurchase when phantom claim fails with
IntegrityError — now merges phantom into existing user across all 3 call sites
- Add explicit db.commit() after merge in both active-user and registration paths
- Fix remnawave_uuid transfer ordering (clear→flush→assign) to prevent unique
constraint violation during flush
- Clear phantom.referral_code on soft-delete to prevent unique constraint issues
- Add status != DELETED filter to find_phantom_user_by_username (defense in depth)
- Add WARNING-level logging on phantom claims for admin audit trail
- Add functional index on lower(username) for phantom lookup performance (migration 0048)
- Add ON DELETE CASCADE to subscription_servers.subscription_id (migration 0047)
- Add admin endpoint POST /users/{id}/assign-referrer with recursive CTE cycle
detection, self-enrichment prevention, and audit logging
- Harden account_merge_service: add SubscriptionServer, RioPayPayment,
SeverPayPayment, SavedPaymentMethod, GuestPurchase, NewsArticle handling
- Fix logger key typo get= → error= in promocode activation
Fringg
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