first commit

backend/migrations/006_fix_invalid_subscription_expires_at.sql

@@ -0,0 +1,10 @@
+-- Fix legacy subscription records with invalid expires_at (year > 2099).
+DO $$
+BEGIN
+  IF to_regclass('public.user_subscriptions') IS NOT NULL THEN
+    UPDATE user_subscriptions
+    SET expires_at = TIMESTAMPTZ '2099-12-31 23:59:59+00'
+    WHERE expires_at > TIMESTAMPTZ '2099-12-31 23:59:59+00';
+  END IF;
+END $$;
+