fix:유치파트너를 영업파트너의 parent(상위자)로 표시

- 유치파트너 = 영업파트너 user의 parent_id (User→parent 관계)
- partner→user→parent, salesPartner→user→parent, registeredBy→parent 순 fallback
- eager loading 정리 (불필요한 referrer 체인 제거, parent 관계 추가)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/Services/SalesCommissionService.php

@@ -33,11 +33,9 @@ public function getCommissions(array $filters = [], int $perPage = 20): LengthAw
     {
         $query = SalesCommission::query()
             ->with([
-                'tenant', 'partner.user', 'partner.referrer.user',
-                'manager', 'referrerPartner.user',
-                'management.tenant', 'management.tenantProspect.registeredBy.salesPartner.referrer.user',
-                'management.salesPartner.user', 'management.salesPartner.referrer.user',
-                'management.manager',
+                'tenant', 'partner.user.parent', 'manager', 'referrerPartner.user',
+                'management.tenant', 'management.tenantProspect.registeredBy.parent',
+                'management.salesPartner.user.parent', 'management.manager',
             ]);
 
         // 상태 필터

resources/views/finance/settlement/partials/commission/table.blade.php

@@ -112,10 +112,15 @@ class="commission-checkbox rounded border-gray-300 text-emerald-600 focus:ring-e
                         </td>
                         <td class="px-4 py-3">
                             @php
-                                $referrerName = $commission->referrerPartner?->user?->name
-                                    ?? $commission->partner?->referrer?->user?->name
-                                    ?? $commission->management?->salesPartner?->referrer?->user?->name
-                                    ?? $commission->management?->tenantProspect?->registeredBy?->salesPartner?->referrer?->user?->name;
+                                // 유치파트너 = 영업파트너의 상위자 (user→parent)
+                                $referrerName = $commission->referrerPartner?->user?->name;
+                                if (!$referrerName) {
+                                    // 영업파트너 user를 찾아서 parent 확인
+                                    $partnerUser = $commission->partner?->user
+                                        ?? $commission->management?->salesPartner?->user
+                                        ?? $commission->management?->tenantProspect?->registeredBy;
+                                    $referrerName = $partnerUser?->parent?->name;
+                                }
                             @endphp
                             @if ($referrerName)
                                 <div class="text-sm text-gray-900">{{ $referrerName }}</div>