feat: add advanced features — KB, tickets v2, multi-currency, cart, quotes, affiliates, credits, staff RBAC, fraud detection, service panels

Major additions:
- Knowledge base with categories, articles, revisions, and voting
- Enhanced ticket system: departments, SLA policies, canned responses, tags, custom fields, satisfaction ratings, internal notes
- Multi-currency support with exchange rate sync
- Shopping cart and quote system with PDF generation
- Affiliate program with referrals, commissions, and payouts
- Account credits, credit notes, and debit notes
- Staff management with granular role-based permissions
- Fraud detection and order risk assessment
- ServerHunter SEO integration
- Service lifecycle events (suspend/unsuspend/terminate)
- Service management panels for VPS, Dedicated, Hosting, and Game servers
- Plan lifecycle fields and per-customer overrides
- 30+ migrations, 17 factories, 8 feature test suites

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

scripts/whmcs-migrate/src/StatusMapper.php

@@ -148,15 +148,16 @@ final class StatusMapper
      *
      * Returns null for service types that have no auto-provisioning platform.
      */
-    public static function mapPlatform(string $serviceType): ?string
+    public static function mapPlatform(string $serviceType): string
     {
         return match ($serviceType) {
             'vps' => 'virtfusion',
             'dedicated' => 'synergycp',
             'hosting' => 'enhance',
             'game_server' => 'pterodactyl',
-            'mysql' => null,
-            'backups' => null,
+            'mysql' => 'manual',
+            'backups' => 'manual',
+            'other' => 'manual',
             default => 'virtfusion',
         };
     }