Enterprise Services administration dashboard

* Database health checks
* Cache health checks
* Storage write and disk-space checks
* Failed queue job monitoring
* Production environment diagnostics
* Persisted health-check history
* Queue retry controls
* Scheduler execution controls
* Cache and optimisation clearing
* Backup creation and retention
* Backup deletion
* SQLite database backup support
* Backup manifests and module metadata
* Artisan health and backup commands
* Administration navigation
* Enterprise permissions
* Module registration and tests

Modules/Enterprise/Config/config.php

@@ -0,0 +1,10 @@
+<?php
+return [
+    'backup_disk' => env('ENTERPRISE_BACKUP_DISK', 'local'),
+    'backup_path' => env('ENTERPRISE_BACKUP_PATH', 'backups'),
+    'retention_days' => (int) env('ENTERPRISE_BACKUP_RETENTION_DAYS', 30),
+    'health' => [
+        'minimum_free_disk_mb' => (int) env('ENTERPRISE_MIN_FREE_DISK_MB', 512),
+        'maximum_failed_jobs' => (int) env('ENTERPRISE_MAX_FAILED_JOBS', 0),
+    ],
+];