feat: enhance configuration and logging for admin services

- Updated .env.example to enable Redis Lua for lottery risk pool and added configuration for agent settlement.
- Improved AGENTS.md to clarify site operations and admin roles.
- Enhanced PHPUnit configuration with memory limit and cache directory settings.
- Refactored AdminReportQueryService and related services to utilize LimitedQuery for better data handling and truncation warnings.
- Added logging for draw settlement failures in DrawTickService.
- Introduced credit preflight checks and reverse bet hold functionality in PlayerCreditService.
- Improved risk pool management with new Redis lock handling in RiskPoolService and TicketPlacementService.

phpunit.xml

@@ -3,6 +3,7 @@
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
          bootstrap="vendor/autoload.php"
          colors="true"
+         cacheDirectory=".phpunit.cache"
 >
     <testsuites>
         <testsuite name="Unit">
@@ -18,6 +19,7 @@
         </include>
     </source>
     <php>
+        <ini name="memory_limit" value="512M"/>
         <env name="APP_ENV" value="testing"/>
         <env name="APP_MAINTENANCE_DRIVER" value="file"/>
         <env name="BCRYPT_ROUNDS" value="4"/>