```

update Implement standardized documentation for all database modules, including purpose, rules, and requirements for each CRUD operation; refactor existing comments to follow new documentation standard
```

002_source/cms/src/db/Students/GetBlockedCount.tsx

@@ -1,3 +1,14 @@
+//
+// PURPOSE:
+// Count blocked student records in the database
+//
+// RULES:
+// 1. Uses PocketBase collection COL_USER_METAS with role='student'
+// 2. Only counts records with status='blocked'
+// 3. Returns Promise<number> with the count
+// 4. Uses PocketBase's getList with filter
+//
+
 import { COL_USER_METAS } from '@/constants';
 import { pb } from '@/lib/pb';