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/Support/SiteOperatorRoles.php

@@ -0,0 +1,62 @@
+<?php
+
+namespace App\Support;
+
+use App\Models\AdminUser;
+use Illuminate\Support\Facades\DB;
+
+/** 接入站点平台账号内置角色（绑定 admin_user_site_roles，无代理节点）。 */
+final class SiteOperatorRoles
+{
+    public const SLUG_SITE_ADMIN = 'site_admin';
+
+    public const SLUG_SITE_FINANCE = 'site_finance';
+
+    public const SLUG_SITE_CS = 'site_cs';
+
+    /** @return list<string> */
+    public static function slugs(): array
+    {
+        return [
+            self::SLUG_SITE_ADMIN,
+            self::SLUG_SITE_FINANCE,
+            self::SLUG_SITE_CS,
+        ];
+    }
+
+    public static function isSiteOperatorSlug(string $slug): bool
+    {
+        return in_array($slug, self::slugs(), true);
+    }
+
+    public static function userHasSiteOperatorRole(AdminUser $user): bool
+    {
+        if ($user->isSuperAdmin() || $user->hasPrimaryAgentBinding()) {
+            return false;
+        }
+
+        return self::primarySiteOperatorSlug($user) !== null;
+    }
+
+    public static function userHasSiteAdminRole(AdminUser $user): bool
+    {
+        return self::primarySiteOperatorSlug($user) === self::SLUG_SITE_ADMIN;
+    }
+
+    public static function primarySiteOperatorSlug(AdminUser $user): ?string
+    {
+        if ($user->isSuperAdmin() || $user->hasPrimaryAgentBinding()) {
+            return null;
+        }
+
+        $slug = DB::table('admin_user_site_roles as usr')
+            ->join('admin_roles as r', 'r.id', '=', 'usr.role_id')
+            ->where('usr.admin_user_id', $user->id)
+            ->whereIn('r.slug', self::slugs())
+            ->orderBy('usr.site_id')
+            ->orderBy('r.sort_order')
+            ->value('r.slug');
+
+        return is_string($slug) && $slug !== '' ? $slug : null;
+    }
+}