17fa13c82a
Add 3 focused tests for GameEngine load/export functionality: - loadGame with PgnParser validates PGN parsing and undo/redo state - loadGame with FenParser validates position loading without move replay - exportGame with PgnExporter validates PGN output Fix: PgnParser now extends GameContextImport trait for consistency with FenParser. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>