- Automatically download pasls from zen010101/pascal-language-server releases
- Check for updates every 24 hours with version comparison
- SHA256 checksum verification for security
- Atomic installation with rollback on failure
- Tarfile path traversal protection
- Handle nested archive directory structure
CI improvements:
- Fix FPC installation for Ubuntu/macOS/Windows
- Add proper FPC verification step that fails on actual errors
Tests:
- 33 unit tests for version comparison, checksum, tarfile safety
- 8 integration tests with actual pasls functionality
