feat: I/O json export import with 100% coverage

- Full FEN parser tests
- Json exporter with all move types covered
- CastleKingside branch coverage

Co-Authored-By: Claude Opus 4.6
This commit is contained in:
shahdlala66
2026-04-08 21:01:41 +02:00
parent 638139602c
commit 3e1e79ebee
19 changed files with 1549 additions and 2 deletions