feat: AfterSales CRM - SOP compliant real-estate customer care system

- Departments + cross-department transfer workflow
- Role-based closing (staff→resolved, manager→closed) with proof_of_resolution
- Private file storage with collection system + temporary signed URLs
- Dashboard: resolved tickets table, stats, handler performance bar chart
- Spatie RBAC (admin/manager/staff)
- Notifications: TicketTransferred, TicketClosed (database + mail)
- Pest tests: 8 tests, 21 assertions
- Docker production-ready (Dockerfile + compose + entrypoint)

composer.json

@@ -7,8 +7,10 @@
     "license": "MIT",
     "require": {
         "php": "^8.3",
+        "filament/filament": "^5.5",
         "laravel/framework": "^13.0",
-        "laravel/tinker": "^3.0"
+        "laravel/tinker": "^3.0",
+        "spatie/laravel-permission": "*"
     },
     "require-dev": {
         "fakerphp/faker": "^1.23",
@@ -16,6 +18,8 @@
         "laravel/pint": "^1.27",
         "mockery/mockery": "^1.6",
         "nunomaduro/collision": "^8.6",
+        "pestphp/pest": "^4.6",
+        "pestphp/pest-plugin-laravel": "^4.1",
         "phpunit/phpunit": "^12.5.12"
     },
     "autoload": {
@@ -49,7 +53,8 @@
         ],
         "post-autoload-dump": [
             "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
-            "@php artisan package:discover --ansi"
+            "@php artisan package:discover --ansi",
+            "@php artisan filament:upgrade"
         ],
         "post-update-cmd": [
             "@php artisan vendor:publish --tag=laravel-assets --ansi --force"