v1.21.0

1.21.0 (2026-06-25)

Features

• decouple the scoring system from the Schackfyran (chess4) format (251d3e2)
• derive and validate the active round against existing data (42d7113)
• lock showELO/showGroup with a single source of truth for lock fields (aa85b17)
• make dialogs own focus so global keybinds don't act behind a modal (83fa1f7)
• surface all persistence failures via a shared save-error toast (0461f6d)
• validate domain invariants at the repository boundary (5077c15)