- Add BUILD_MODE_SAPI constant and related methods for SAPI-specific builds
- Introduce sapiTargets, sapiEntryFile, and other SAPI-related configuration options
- Enhance Android platform with allowTargetVersion parameter in buildPhpIncludePaths
- Reorganize imports in CompilerBase with better grouping and ordering
- Add isSapiBuild() and getSapiTargets() methods for SAPI detection and management
- Update build mode logic to include SAPI in embed builds
- Refine expression type checking with shorter namespace references
- Add comprehensive SAPI build tests including target configuration scenarios
- Improve class property access in tests with parent class traversal support
- Standardize namespace separator handling in various compiler operations
- Add proper escaping and formatting in generated C++ code strings
- Implement SAPI-specific project parsing and validation rules
- Update test assertions to handle new namespace separator format
- Add error handling improvements for unsupported source conditions
- Enhance type checker generator
