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.

app/Services/Draw/DrawTickService.php

@@ -179,6 +179,11 @@ final class DrawTickService
                 }
             } catch (\Throwable $e) {
                 report($e);
+                \Illuminate\Support\Facades\Log::warning('draw_tick_settlement_failed', [
+                    'draw_id' => $draw->id,
+                    'draw_no' => $draw->draw_no,
+                    'error' => $e->getMessage(),
+                ]);
             }
         }