<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
- **Chores**
- Updated Playwright test configurations to use full URL strings instead of port numbers for web server identification.
- Unified server startup approach in test environments by integrating web server configuration directly into Playwright, replacing custom setup scripts.
- Removed obsolete development server setup files to streamline test initialization.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->