fix(archive): resolve ONLY_FULL_GROUP_BY SQL error

Replace GROUP BY with correlated subqueries for snapshot data.
MySQL strict mode requires all SELECT columns in GROUP BY.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Modules/Members/Controllers/MemberArchiveController.php

@@ -47,7 +47,7 @@ class MemberArchiveController extends Controller
             $params[] = $filters['date_to'] . ' 23:59:59';
         }
         if ($filters['number'] !== '') {
-            $where[] = "(a.membership_number = ? OR m.membership_number = ?)";
+            $where[] = "(m.membership_number = ? OR EXISTS (SELECT 1 FROM archive_snapshots sa WHERE sa.entity_type = 'members' AND sa.entity_id = m.id AND sa.membership_number = ?))";
             $params[] = $filters['number'];
             $params[] = $filters['number'];
         }
@@ -72,20 +72,19 @@ class MemberArchiveController extends Controller
         $offset = ($page - 1) * $perPage;
 
         $countSql = "SELECT COUNT(*) as total FROM members m
-                     LEFT JOIN archive_snapshots a ON a.entity_type = 'members' AND a.entity_id = m.id
                      LEFT JOIN employees e ON e.id = m.archived_by
                      WHERE {$whereClause}";
         $total = (int) ($db->selectOne($countSql, $params)['total'] ?? 0);
 
         $sql = "SELECT m.id, m.full_name_ar, m.national_id, m.phone_mobile, m.membership_type, m.status,
                        m.archived_at, m.archived_by,
-                       a.membership_number as archived_membership_number, a.snapshot_reason, a.id as snapshot_id,
+                       (SELECT sa.membership_number FROM archive_snapshots sa WHERE sa.entity_type = 'members' AND sa.entity_id = m.id ORDER BY sa.snapshot_taken_at DESC LIMIT 1) as archived_membership_number,
+                       (SELECT sa.snapshot_reason FROM archive_snapshots sa WHERE sa.entity_type = 'members' AND sa.entity_id = m.id ORDER BY sa.snapshot_taken_at DESC LIMIT 1) as snapshot_reason,
+                       (SELECT sa.id FROM archive_snapshots sa WHERE sa.entity_type = 'members' AND sa.entity_id = m.id ORDER BY sa.snapshot_taken_at DESC LIMIT 1) as snapshot_id,
                        e.full_name_ar as operator_name
                 FROM members m
-                LEFT JOIN archive_snapshots a ON a.entity_type = 'members' AND a.entity_id = m.id
                 LEFT JOIN employees e ON e.id = m.archived_by
                 WHERE {$whereClause}
-                GROUP BY m.id
                 ORDER BY m.archived_at DESC
                 LIMIT {$perPage} OFFSET {$offset}";
         $rows = $db->select($sql, $params);