소유자 권한 보호와 멤버 목록 등급 표시 v1.5.8

db/migrations/038_restore_owner_when_missing.sql

@@ -0,0 +1,18 @@
+WITH fallback_owner AS (
+  SELECT id
+  FROM users
+  WHERE user_role = 'admin'
+  ORDER BY created_at ASC, id ASC
+  LIMIT 1
+)
+UPDATE users
+SET
+  user_role = 'owner',
+  is_admin = true,
+  updated_at = now()
+WHERE id IN (SELECT id FROM fallback_owner)
+  AND NOT EXISTS (
+    SELECT 1
+    FROM users
+    WHERE user_role = 'owner'
+  );