Updated the `admin_setting` and `admin_settings_batch` helpers to retrieve the `Setting` instance from the service container. This fixes a fatal error and ensures correct behavior in a Laravel Octane environment by preventing the use of stale, shared static instances.
- Fix known bugs in user, plan, and server modules
- Standardize code formatting and structure
- Optimize database queries and model relationships
- Improve request validation and error handling
- Update admin controllers for better consistency
- feat: add plan price validation
- feat: make traffic packages stackable
- feat: add commission and invite info to admin order details
- feat: apply email whitelist to verification code API
- fix: subscription link copy compatibility for non-HTTPS
- fix: resolve route editing 500 error in certain cases
- refactor: restructure traffic reset logic
