- Add gen_openapi binary for generating OpenAPI specification
- Implement comprehensive pull request API endpoints including core operations
- Add pull request reviews, check runs, labels, assignees, and events APIs
- Include pull request status and merge strategy management endpoints
- Add wiki page CRUD operations with revision history and comparison
- Update OpenAPI documentation with Pull Requests and Wiki tags
- Modify workspace find function visibility for external access
- Integrate new API modules into main OpenAPI router configuration