feat: enhance admin role management and reconciliation features

- Updated AGENTS.md to clarify site admin roles and their associated permissions.
- Refactored reconciliation controllers to include admin user validation and improved access control based on admin roles.
- Enhanced AdminReconcileJobService to support player-specific reconciliation and site-based job creation.
- Removed deprecated rebate commission report functionality from the API and related services.
- Improved dashboard overview builders to accommodate new site operator roles and their specific functionalities.

app/Services/Admin/SiteDashboardOverviewBuilder.php

@@ -2,7 +2,6 @@
 
 namespace App\Services\Admin;
 
-use App\Models\AdminSite;
 use App\Models\AdminUser;
 use App\Models\AgentNode;
 use App\Models\Player;
@@ -27,7 +26,7 @@ final class SiteDashboardOverviewBuilder
             return null;
         }
 
-        $site = $this->resolvePrimarySite($admin);
+        $site = SiteDashboardSiteResolver::resolvePrimarySite($admin);
         if ($site === null) {
             return null;
         }
@@ -52,7 +51,11 @@ final class SiteDashboardOverviewBuilder
         $currencyCode = $this->reportQuery->resolvePeriodCurrencyCode($today, $today, $scoped)
             ?? $this->reportQuery->resolvePeriodCurrencyCode($sevenDayFrom, $today, $scoped);
         $todayActivity = $this->todayActivityStats($siteCode, $today);
-        $pendingBills = $this->pendingBillStats($siteId);
+        $billStats = SiteSettlementBillStats::forSite($siteId);
+        $pendingBills = [
+            'count' => $billStats['pending_confirm_count'] + $billStats['payable_count'],
+            'unpaid_minor' => $billStats['payable_unpaid_minor'],
+        ];
         $topAgentToday = $this->topAgentToday($scoped, $today);
 
         return [
@@ -78,18 +81,6 @@ final class SiteDashboardOverviewBuilder
         ];
     }
 
-    private function resolvePrimarySite(AdminUser $admin): ?AdminSite
-    {
-        $siteIds = $admin->accessibleAdminSiteIds();
-        if ($siteIds === null || $siteIds === []) {
-            return null;
-        }
-
-        return AdminSite::query()
-            ->where('id', (int) $siteIds[0])
-            ->first();
-    }
-
     /**
      * @return array{player_count: int, order_count: int, latest_bet_at: ?string}
      */
@@ -110,22 +101,6 @@ final class SiteDashboardOverviewBuilder
         ];
     }
 
-    /**
-     * @return array{count: int, unpaid_minor: int}
-     */
-    private function pendingBillStats(int $siteId): array
-    {
-        $query = DB::table('settlement_bills as sb')
-            ->join('settlement_periods as sp', 'sp.id', '=', 'sb.settlement_period_id')
-            ->where('sp.admin_site_id', $siteId)
-            ->whereIn('sb.status', ['pending', 'pending_confirm', 'partial']);
-
-        return [
-            'count' => (int) $query->count(),
-            'unpaid_minor' => (int) $query->sum('sb.unpaid_amount'),
-        ];
-    }
-
     /**
      * @return array<string, mixed>|null
      */