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)

docker/php.ini

@@ -0,0 +1,12 @@
+opcache.enable=1
+opcache.enable_cli=1
+opcache.memory_consumption=128
+opcache.max_accelerated_files=10000
+opcache.revalidate_freq=0
+
+memory_limit=256M
+upload_max_filesize=20M
+post_max_size=21M
+max_execution_time=60
+
+file_uploads=On