- Add _resolve_panel_uuid helper for per-subscription UUID in multi-tariff mode
- Add user ownership validation (user_id check) to all subscription queries
- Add unique partial index on (user_id, tariff_id) for active subscriptions
- Generate remnawave_short_id for new subscriptions in all creation paths
- Fix trial endpoints to check all user subscriptions, not just first
- Fix channel member handler to enable/disable per-subscription UUIDs
- Fix channel checker middleware for multi-subscription iteration
- Fix tariff switch, traffic, and device endpoints to use correct panel UUID
- Fix monitoring, auto-purchase, renewal services for multi-subscription
- Fix user_service, miniapp, subscriptions and users webapi routes
c0mrade
d87fb47e88