feat:수퍼관리자 가망고객 삭제 기능 추가

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

app/Http/Controllers/Sales/AdminProspectController.php

@@ -224,7 +224,9 @@ private function getIndexData(Request $request): array
                 ];
             });
 
-        return compact('prospects', 'stats', 'salesPartners', 'partnerStats', 'filters');
+        $isSuperAdmin = auth()->user()->isSuperAdmin();
+
+        return compact('prospects', 'stats', 'salesPartners', 'partnerStats', 'filters', 'isSuperAdmin');
     }
 
     /**
@@ -302,6 +304,29 @@ public function updateCommissionDate(int $id, Request $request)
         ]);
     }
 
+    /**
+     * 가망고객 삭제 (슈퍼관리자 전용)
+     */
+    public function destroy(int $id)
+    {
+        $prospect = TenantProspect::findOrFail($id);
+
+        // 연관 데이터 삭제
+        $management = SalesTenantManagement::where('tenant_prospect_id', $prospect->id)->first();
+        if ($management) {
+            SalesCommission::where('management_id', $management->id)->delete();
+            $management->delete();
+        }
+        SalesScenarioChecklist::where('tenant_prospect_id', $prospect->id)->delete();
+
+        $prospect->delete();
+
+        return response()->json([
+            'success' => true,
+            'message' => "'{$prospect->company_name}' 가망고객이 삭제되었습니다.",
+        ]);
+    }
+
     /**
      * 수당 날짜 삭제 (초기화)
      */